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Lenovo ThinkSystem SR655 V3 User Manual
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Lenovo ThinkSystem SR655 V3 User Manual

Lenovo ThinkSystem SR655 V3 User Manual

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ThinkSystem SR655 V3
User Guide
Machine Type: 7D9E, 7D9F

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Summary of Contents for Lenovo ThinkSystem SR655 V3

  • Page 1 ThinkSystem SR655 V3 User Guide Machine Type: 7D9E, 7D9F...
  • Page 2 Before using this information and the product it supports, be sure to read and understand the safety information and the safety instructions, which are available at: https://pubs.lenovo.com/safety_documentation/ In addition, be sure that you are familiar with the terms and conditions of the Lenovo warranty for your server, which can be found at: http://datacentersupport.lenovo.com/warrantylookup Fourteenth Edition (December 2024) ©...
  • Page 3 Server package contents ... Front I/O module replacement ..123 Identify the server and access the Lenovo XClarity Remove the front I/O module ..124 Controller .
  • Page 4 Lenovo Neptune Processor Direct Water Cooling Install a processor ... . 257 Module replacement (trained technicians only) . . . 147 Install a heat sink ... . 258 Remove the Lenovo Neptune Processor Rack latches replacement .
  • Page 5 Chapter 7. System configuration . . . 487 System fan cage replacement ..332 Set the network connection for the Lenovo XClarity Remove the system fan cage ..332 Controller .
  • Page 6 Taiwan Region import and export contact Contacting Support ... . . 547 information ....553 ThinkSystem SR655 V3 User Guide...
  • Page 7 Vor der Installation dieses Produkts die Sicherheitshinweise lesen. Prima di installare questo prodotto, leggere le Informazioni sulla Sicurezza. Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Antes de instalar este produto, leia as Informações sobre Segurança. © Copyright Lenovo 2023, 2024...
  • Page 8 1 & IEC 60950-1, the standard for Safety of Electronic Equipment within the Field of Audio/Video, Information Technology and Communication Technology. Lenovo assumes you are qualified in the servicing of equipment and trained in recognizing hazards energy levels in products. Access to the equipment is by the use of a tool, lock and key, or other means of security, and is controlled by the authority responsible for the location.
  • Page 9 Click Power ➙ Power Cables to see all line cords. • Make sure that the insulation is not frayed or worn. 3. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations.
  • Page 10 ThinkSystem SR655 V3 User Guide viii...
  • Page 11 Chapter 1. Introduction The ThinkSystem SR655 V3 server (7D9E and 7D9F) is a 1-socket 2U server that features AMD ® EPYC 9004 or 9005 series processors. The server offers a broad selection of drive and slot configurations, high performance, and expansion for various IT workloads. Combining performance and flexibility, the server is a great choice for enterprises of all sizes.
  • Page 12 The server provides a QR code on the system service label, which is on the cover of the server, that you can scan using a QR code reader and scanner with a mobile device to get quick access to the Lenovo Service Information website.
  • Page 13 The list of current advisories is available at the following site: https://datacentersupport.lenovo.com/product_security/home Specifications Summary of the features and specifications of the server. Depending on the model, some features might not be available, or some specifications might not apply.
  • Page 14 • Up to two internal M.2 drives Expansion slots • Up to ten PCIe slots • One OCP module slot PCIe slot availability is based on riser selection. See “Rear view” on page 23 “PCIe slots and PCIe adapters” on page ThinkSystem SR655 V3 User Guide...
  • Page 15 • Lenovo XClarity Controller (XCC), which provides service processor control and monitoring functions, video controller, and remote keyboard, video, mouse, and remote drive capabilities. – The server supports Lenovo XClarity Controller 2 (XCC2). For additional information about Lenovo XClarity Controller 2 (XCC2), refer to https://pubs.lenovo.com/lxcc-overview/...
  • Page 16 • Power supply with 240 V dc input cannot support hot plugging power cord function. Before removing the power supply with dc input, please turn off server or disconnect dc power sources at the breaker panel or by turning off the power source. Then, remove the power cord. ThinkSystem SR655 V3 User Guide...
  • Page 17 • Red Hat Enterprise Linux • SUSE Linux Enterprise Server • Canonical Ubuntu References: • Complete list of available operating systems: https://lenovopress.lenovo.com/osig • OS deployment instructions, see “Deploy the operating system” on page 494. Notes: • VMware ESXi does not support ThinkSystem 2.5 U.3 6500 ION 30.72TB Read Intensive NVMe PCIe 4.0 x4 HS SSD or P5336 NVMe SSDs.
  • Page 18 Lenovo recommends that you consult with qualified experts in this field to determine whether you are in compliance with the applicable regulations.
  • Page 19 Environment Environment ThinkSystem SR655 V3 complies with ASHRAE Class A2 specifications with most configurations, and depending on the hardware configuration, also complies with ASHRAE Class A3, and Class A4 specifications. System performance may be impacted when operating temperature is outside ASHRAE A2 specification.
  • Page 20 If Lenovo determines that the levels of particulates or gases in your environment have caused damage to the device, Lenovo may condition provision of repair or replacement of devices or parts...
  • Page 21 The water must be filtered with an in-line 50 micron filter (approximately 288 mesh). The water must be treated with anti-biological and anti-corrosion measures. Environment quality must be maintained over the lifetime of the system to receive warranty and support on affecting components. For more information please Lenovo Neptune Direct Water-Cooling Standards. Management options The XClarity portfolio and other system management options described in this section are available to help you manage the servers more conveniently and efficiently.
  • Page 22 Important: To read and configure UEFI and BMC settings, use the latest versions of OneCLI 5.x, BoMC 14.x, and UpdateXpress 5.x. Interface Lenovo XClarity Essentials • OneCLI: CLI application toolset • Bootable Media Creator: CLI application, GUI application • UpdateXpress: GUI application Usage and downloads https://pubs.lenovo.com/lxce-overview/ ThinkSystem SR655 V3 User Guide...
  • Page 23 Important: Lenovo XClarity Provisioning Manager (LXPM) supported version varies by product. All versions of Lenovo XClarity Provisioning Manager are referred to as Lenovo XClarity Provisioning Manager and LXPM in this document, unless specified otherwise. To see the LXPM version supported by your server, go to https:// pubs.lenovo.com/lxpm-overview/...
  • Page 24 1. Most options can be updated through the Lenovo tools. Some options, such as GPU firmware or Omni- Path firmware require the use of supplier tools. 2. The server UEFI settings for option ROM must be set to Auto or UEFI to update firmware using Lenovo XClarity Administrator, Lenovo XClarity Essentials, or Lenovo XClarity Controller.
  • Page 25 “Drive bay filler” on page 19 “Front I/O module (on media bay)” on page 20 “Rack latch (right)” on page 20 “Pull-out information tab” on page 20 “Drive bays” on page 19 “Rack latch (left)” on page 20 © Copyright Lenovo 2023, 2024...
  • Page 26 “Front I/O module (on rack latch)” on page 20 “Rack latch (right)” on page 20 “Ethernet connectors on OCP module (optional)” on page 19 “Drive bays” on page 19 “Rack latch (left)” on page 20 ThinkSystem SR655 V3 User Guide...
  • Page 27 Front view with twenty-four 2.5-inch front drive bays Table 5. Components on the front of server models Callout Callout “External diagnostics connector (optional)” on page 20 “VGA connector (optional)” on page 20 “Drive activity LED” on page 19 “Drive status LED” on page 19 “Front I/O module (on rack latch)”...
  • Page 28 Table 9. Components on the front of server models Callout Callout “External diagnostics connector (optional)” on page 20 “VGA connector (optional)” on page 20 “Front I/O module (on rack latch)” on page 20 “Rack latch (right)” on page 20 ThinkSystem SR655 V3 User Guide...
  • Page 29 Table 9. Components on the front of server models (continued) Callout Callout “Pull-out information tab” on page 20 “Drive bay fillers” on page 19 “Rack latch (left)” on page 20 Front components overview Drive bays The drive bays on the front and rear of your server are designed for hot-swap drives. The number of the installed drives in your server varies by model.
  • Page 30 “PCIe slots and PCIe adapters” on page Pull-out information tab The Lenovo XClarity Controller network access label is attached on the pull-out information tab. The default Lenovo XClarity Controller hostname and the IPv6 Link Local Address (LLA) are provided on the tab.
  • Page 31 • If the connector is set for XClarity Controller management function, it can be used to connect the server to an android or iOS device, where you can then install and launch the Lenovo XClarity Mobile app to manage the system using XClarity Controller.
  • Page 32 ID button, the state of the system ID LED changes. The LED can be changed to on, blinking, or off. You can also use the Lenovo XClarity Controller or a remote management program to change the state of the system ID LED to assist in visually locating the server among other servers.
  • Page 33 Description Action Yellow An error has been detected on the server. • Check the Lenovo XClarity Controller Causes might include but are not limited to event log and the system event log to the following errors: determine the exact cause of the error.
  • Page 34 “NMI button” on page 27 “USB 3 (5 Gbps) connectors (3)” on page 28 “VGA connector” on page 28 “XCC system management port” on page 28 “Ethernet connectors on OCP module (optional)” on page 28 ThinkSystem SR655 V3 User Guide...
  • Page 35 Rear view with ten PCIe slots Table 13. Components on the rear of the server Callout Callout “PCIe slots” on page 27 “Power supply units” on page 27 “NMI button” on page 27 “USB 3 (5 Gbps) connectors (3)” on page 28 “VGA connector”...
  • Page 36 “NMI button” on page 27 “USB 3 (5 Gbps) connectors (3)” on page 28 “VGA connector” on page 28 “XCC system management port” on page 28 “Ethernet connectors on OCP module (optional)” on page 28 ThinkSystem SR655 V3 User Guide...
  • Page 37 NMI button Use this button only when you are directed to do so by Lenovo Support. Press this button to force a nonmaskable interrupt (NMI) to the processor. By this way, you can make the operating system halt (such as Windows Blue Screen of Death) and take a memory dump.
  • Page 38 VGA connector. XCC system management port The server has a 1 GB RJ-45 connector dedicated to Lenovo XClarity Controller (XCC) functions. Through the system management port, you can access the Lenovo XClarity Controller directly by connecting your laptop to the management port using an Ethernet cable.
  • Page 39 • The illustration shows the server rear configuration with two riser assemblies. The server rear configurations vary by server model. For details, see “Rear view” on page Top view with standard heat sinks Figure 9. Server top view Table 18. Component identification (top view) Front backplane(s) Intrusion switch System fans...
  • Page 40 Inlet hose Hose holder Liquid detection sensor module Cold plate assembly Riser cage for DWCM System-board-assembly layout This section provides information about the connectors, switches, and jumpers that are available on the system board assembly. ThinkSystem SR655 V3 User Guide...
  • Page 41 The following illustration shows the layout of the system board assembly that contains the system I/O board, firmware and RoT security module, fan board, power inverter board (PIB) and processor board. Figure 11. System-board-assembly layout System I/O board Firmware and RoT security module Processor board Fan board Power inverter board (PIB)
  • Page 42 7mm backplane power connector Front USB connector Leak detection connector Internal Expander Power Connector Front I/O connector note Front I/O connector for Y cable note Backplane 3 power connector PCIe connector 8 / SATA connector 1 ThinkSystem SR655 V3 User Guide...
  • Page 43 Important: 1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all power cords and external cables. Review the following information: • https://pubs.lenovo.com/safety_documentation/ • “Installation Guidelines” on page 47 • “Handling static-sensitive devices” on page 50 •...
  • Page 44 Overrides the power-on password when changing it password to the ON position. SW5-4 FPGA reset Forces FPGA into reset when changing it to the ON position. SW5-5 Reserved Reserved Reserved Reserved SW5-6 SW5-7 Reserved Reserved SW5-8 Reserved Reserved ThinkSystem SR655 V3 User Guide...
  • Page 45 System LEDs and diagnostics display For information on available system LEDs and diagnostics display, refer to “Troubleshooting by system LEDs and diagnostics display” on page 498. Chapter 2 Server components...
  • Page 46 ThinkSystem SR655 V3 User Guide...
  • Page 47 2. Click Parts. 3. Enter the serial number to view a listing of parts for your server. It is highly recommended that you check the power summary data for your server using Lenovo Capacity Planner before purchasing any new parts.
  • Page 48 The parts listed in the following table are identified as one of the following: • T1: Tier 1 customer replaceable unit (CRU). Replacement of Tier 1 CRUs is your responsibility. If Lenovo installs a Tier 1 CRU at your request with no service agreement, you will be charged for the installation.
  • Page 49 • T2: Tier 2 customer replaceable unit (CRU). You may install a Tier 2 CRU yourself or request Lenovo to install it, at no additional charge, under the type of warranty service that is designated for your server. • F:Field replaceable unit (FRU). FRUs must be installed only by trained service technicians.
  • Page 50 2. Click Preconfigured Model or Configure to order. 3. Enter the machine type and model for your server to display the configurator page. 4. Click Power ➙ Power Cables to see all line cords. Notes: ThinkSystem SR655 V3 User Guide...
  • Page 51 • For your safety, a power cord with a grounded attachment plug is provided to use with this product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet. • Power cords for this product that are used in the United States and Canada are listed by Underwriter's Laboratories (UL) and certified by the Canadian Standards Association (CSA).
  • Page 52 ThinkSystem SR655 V3 User Guide...
  • Page 53 They might be required to receive warranty service. Identify the server and access the Lenovo XClarity Controller This section contains instruction on how to identify your server and where to find the Lenovo XClarity Controller access information.
  • Page 54 Lenovo XClarity Controller network access label In addition, the Lenovo XClarity Controller (XCC) network access label is attached to the pull-out information tab located near the lower right corner in the front of the chassis, with MAC address accessible with a pull.
  • Page 55 • You can press the power button. • The server can restart automatically after a power interruption. • The server can respond to remote power-on requests sent to the Lenovo XClarity Controller. Note: You can access the management processor interface to configure the system without powering on the server.
  • Page 56 The following information is available for RAID configuration: • https://lenovopress.lenovo.com/lp0578-lenovo-raid-introduction • https://lenovopress.lenovo.com/lp0579-lenovo-raid-management-tools-and-resources 4. Install the operating system. 5. Back up the server configuration. 6. Install the applications and programs for which the server is intended to be used. ThinkSystem SR655 V3 User Guide...
  • Page 57 • Do not attempt to lift an object that might be too heavy for you. If you have to lift a heavy object, read the following precautions carefully: – Make sure that you can stand steadily without slipping. – Distribute the weight of the object equally between your feet. © Copyright Lenovo 2023, 2024...
  • Page 58 1 & IEC 60950-1, the standard for Safety of Electronic Equipment within the Field of Audio/Video, Information Technology and Communication Technology. Lenovo assumes you are qualified in the servicing of equipment and trained in recognizing hazards energy levels in products. Access to the equipment is by the use of a tool, lock and key, or other means of security, and is controlled by the authority responsible for the location.
  • Page 59 Click Power ➙ Power Cables to see all line cords. • Make sure that the insulation is not frayed or worn. 3. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations.
  • Page 60 Technical rules This topic provides technical rules for the server. • “Memory module installation rules and order” on page 51 • “PCIe slots and PCIe adapters” on page 53 • “Thermal rules” on page 58 ThinkSystem SR655 V3 User Guide...
  • Page 61 “Technical specifications” on page Your server has 12 memory slots with 12 channels. For a list of supported memory options, see: https://serverproven.lenovo.com Information about optimizing memory performance and configuring memory is available at the Lenovo Press website: https://lenovopress.lenovo.com/servers/options/memory In addition, you can take advantage of a memory configurator, which is available at the following site: https://dcsc.lenovo.com/#/memory_configuration...
  • Page 62 6. Servers with 9004 series processors do not support 6400 MHz RDIMMs. Memory module installation order The following table shows the DIMM population sequence. Table 24. DIMM population sequence Total DIMMs 1 DIMM 2 DIMMs 4 DIMMs ThinkSystem SR655 V3 User Guide...
  • Page 63 Table 24. DIMM population sequence (continued) 6 DIMMs 8 DIMMs 10 DIMMs 12 DIMMs PCIe slots and PCIe adapters This topic provides installation rules for PCIe adapters. Slot configurations The following tables list the PCIe slot configurations for each server rear view. Note: *E: empty Server rear view PCIe slots...
  • Page 64 – For server models with a 4 x 3.5-inch rear drive cage or a GPU installed, a low-profile 7mm drive cage can be installed only on slot 6. – For server models with a 4 x 2.5-inch rear drive cage, no 7mm drive cage is supported. • Serial port module installation rules: ThinkSystem SR655 V3 User Guide...
  • Page 65 – For server models with 8 PCIe slots, 10 PCIe slots, or a 4 x 2.5-inch rear drive cage: – If both riser 1 and riser 2 use the x16/x16/E riser card and a 7mm drive cage is installed on slot 6, a serial port module can be installed on slot 3.
  • Page 66 2-Port PCIe Ethernet Adapter • With LP riser 3 : 2, 3, 5, 6, 1, 4 ThinkSystem Broadcom 57454 10GBASE-T • With riser 5: 2, 3, 5, 6, 1, 4, 11, 12 4-port PCIe Ethernet Adapter ThinkSystem SR655 V3 User Guide...
  • Page 67 PCIe adapter Maximum Suggested slot priority supported ThinkSystem AMD X3522 10/25GbE DSFP28 • With FH riser 3 : 2, 3, 5, 6, 7, 8, 1, 4 2-port PCIe Ethernet Adapter (Low Latency) • With LP riser 3 : 2, 3, 5, 6, 1, 4 •...
  • Page 68 • Group B: 200 W ≤ TDP ≤ 240 W • Group A: 260 W < TDP ≤ 300 W • Group E: 320 W ≤ TDP ≤ 400 W Standard configurations This section provides thermal information for standard configurations. ThinkSystem SR655 V3 User Guide...
  • Page 69 Support Support Front bays Max. Temp. Fan type Processor Heat sink Air baffle DIMMs >= riser 3 96 GB Group B 45°C 2U P Group B 35°C 2U S note 1 • 8 x 2.5" Group B, A 35°C 2U S •...
  • Page 70 • P5336 15.36TB or larger capacity 5. When a part with active optical cable (AOC) is installed and the rate of the part is greater than 25 GB, the ambient temperature must be limited to 30°C or lower. ThinkSystem SR655 V3 User Guide...
  • Page 71 GPU configuration This section provides thermal information for the GPU configuration. • Half-height half-length (HHHL) single-wide (SW) GPU: A2, L4 • DW GPU: A16, A30, A40, L40, L40S, A100, RTX A2000, RTX A4500, RTX A6000, RTX 4500 Ada, RTX 6000 Ada, H100, H100 NVL, AMD MI210 Max.
  • Page 72 3. When the following parts are installed, the ambient temperature must be limited to 35°C or lower. • PCIe network interface cards (NICs) at a rate greater than or equal to 100 GB • Parts with AOC and at a rate of 25 GB ThinkSystem SR655 V3 User Guide...
  • Page 73 Storage configurations This section provides thermal information for storage configurations. Support Front Max. Heat Middle bays Rear bays Fan type Processor Air baffle ≥ 64 GB bays Temp. sink DIMM Group B, A, 35°C DWCM D, E Group B, A, 35°C DWCM D, E...
  • Page 74 • Broadcom 57416 10GBASE-T 2-port OCP • Broadcom 57454 10GBASE-T 4-port OCP Power on and power off the server Follow the instructions in this section to power on and power off the server. ThinkSystem SR655 V3 User Guide...
  • Page 75 Power off the server The server remains in a standby state when it is connected to a power source, allowing the Lenovo XClarity Controller to respond to remote power-on requests. To remove all power from the server (power status LED off), you must disconnect all power cables.
  • Page 76 Make sure to have three people operate the server removal procedures to prevent injury. Watch the procedure A video of this procedure is available at YouTube: https://www.youtube.com/playlist?list=PLYV5R7hVcs- BashWCNZQEDP7o3EohXPEV Procedure Step 1. Loosen the two thumbscrews located on the front of the server to disengage it from the rack. ThinkSystem SR655 V3 User Guide...
  • Page 77 Rack front Figure 18. Disengaging server from the rack Rack latch Thumbscrew Step 2. Hold the mounting ears on the front of the server; then, slide the server all the way out until it stops. Figure 19. Pulling out the server Rack latch (Mounting ear) Step 3.
  • Page 78 Carefully lift up the front end of the server slightly to detach the nailheads from the slots on the rails. Lift up the server to remove it from the rails completely. Place the server on a flat and sturdy surface. After you finish Carefully lay the server on a flat, static-protective surface. ThinkSystem SR655 V3 User Guide...
  • Page 79 Make sure to have three people operate the server installation procedures to prevent injury. Firmware and driver download: You might need to update the firmware or driver after replacing a component. • Go to https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver- list/ to see the latest firmware and driver updates for your server. • Go to “Update the firmware”...
  • Page 80 Make sure three people are lifting the sever by holding the lift points. Rack front Figure 23. Lifting up the server Lift point Step 3. From the front of the rack, install the server into the rails. ThinkSystem SR655 V3 User Guide...
  • Page 81 Rack front Figure 24. Installing the server into the rails Tilt the server and slowly lower its rear end; then, push the rails toward the server and make sure the farthest nailheads on server’s left and right side go into the slots on the rail. Slowly lower the server down and make sure the other 3 nailheads on server’s left and right side slip into corresponding slots.
  • Page 82 Figure 26. Securing the server to the rear of the rack Fasten the two thumbscrews located on the front of the server. Rack front Figure 27. Securing the server to the front of the rack Rack latch Thumbscrew After you finish ThinkSystem SR655 V3 User Guide...
  • Page 83 1. Reconnect the power cords and any cables that you removed. 2. Power on the server and any peripheral devices. See “Power on the server” on page 3. Update the server configuration. See “Complete the parts replacement” on page 342. Air baffle replacement Follow instructions in this section to remove and install the air baffle.
  • Page 84 Grasp the air baffle and carefully lift it out of the chassis. Attention: For proper cooling and airflow, reinstall the air baffle before you turn on the server. Operating the server with the air baffle removed might damage server components. ThinkSystem SR655 V3 User Guide...
  • Page 85 Figure 28. Removing the air baffle Step 3. (Optional) Remove the fillers from the air baffle if you are using performance heat sinks and need to change to 2U standard heat sinks. Figure 29. Removing the air baffle filler After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 86 Step 2. (Optional) If performance heat sinks are installed, install the air baffle fillers to fill the gaps between the heat sinks and the air baffle. Note: The following illustration shows the air baffle upside down. ThinkSystem SR655 V3 User Guide...
  • Page 87 Figure 30. Installing the air baffle filler Step 3. Align the tabs on both sides of the air baffle with the corresponding slots on both sides of the chassis. Then, lower the air baffle into the chassis and press the air baffle down until it is securely seated.
  • Page 88 The following tips describe information that you must consider when removing the CMOS battery. • Lenovo has designed this product with your safety in mind. The lithium CMOS battery must be handled correctly to avoid possible danger. If you replace the CMOS battery, you must adhere to local ordinances or regulations for battery disposal.
  • Page 89 Do not: • Throw or immerse into water • Heat to more than 100°C (212°F) • Repair or disassemble Dispose of the battery as required by local ordinances or regulations. S002 CAUTION: The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 90 The following tips describe information that you must consider when installing the CMOS battery. • Lenovo has designed this product with your safety in mind. The lithium CMOS battery must be handled correctly to avoid possible danger. If you replace the CMOS battery, you must adhere to local ordinances or regulations for battery disposal.
  • Page 91 CAUTION: When replacing the lithium battery, use only Lenovo specified part number or an equivalent type of battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.
  • Page 92 • Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration information. ThinkSystem SR655 V3 User Guide...
  • Page 93 Procedure Step 1. Make preparation for the task. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See “Remove the server from rack”...
  • Page 94 Note: For ThinkSystem AMD X3522 10/25GbE DSFP28 2-port PCIe Ethernet Adapter, remove the screw that secures the adapter first. Figure 36. Removing the PCIe adapter from the riser 5 cage Press the retainer clip downward. Rotate the retention latch to the open position. ThinkSystem SR655 V3 User Guide...
  • Page 95 Grasp the PCIe adapter by its edges and carefully pull it out of the PCIe slot. Step 5. Disconnect the cables from the riser card, and remove the riser card from the riser 5 cage. Figure 37. Removing the riser card from the riser 5 cage Remove the screws that secure the riser card.
  • Page 96 Install the front adapter cage Follow instructions in this section to install the front adapter cage, including the riser 5 cage at the top and the front OCP cage at the bottom. About this task Attention: ThinkSystem SR655 V3 User Guide...
  • Page 97 • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page •...
  • Page 98 Push the top of the riser card towards the riser cage so that the holes in the riser card engage with the holes on the riser cage. Install the screws to secure the riser card into place. Step 5. Install the PCIe adapter to the riser 5 cage. ThinkSystem SR655 V3 User Guide...
  • Page 99 Figure 43. Installing the PCIe adapter to the riser 5 cage Press the retainer clip downward. Rotate the PCIe adapter retention latch to the open position. Align the PCIe adapter with the PCIe slot on the riser card. Carefully press the PCIe adapter straight into the slot until it is securely seated and its bracket also is secured.
  • Page 100 Figure 44. Installing the riser 5 assembly on the front OCP assembly Step 7. Install the front adapter assembly. ThinkSystem SR655 V3 User Guide...
  • Page 101 Figure 45. Installing the front adapter assembly Insert the front adapter assembly into the front chassis. Install the screws to secure the front adapter assembly in place. Step 8. Connect the cables to the system board assembly and the rear OCP interposer card. See Chapter 6 “Internal cable routing”...
  • Page 102 Procedure Figure 46. Removing the front OCP module Step 1. Loosen the thumbscrew that secures the OCP module. Use a screwdriver if needed. Step 2. Pull out the OCP module. ThinkSystem SR655 V3 User Guide...
  • Page 103 After you finish 1. Install a new front OCP module or an OCP module filler. See “Install the front OCP module” on page 2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 104 “Remove the rear OCP interposer card” on page 102 • “Install the rear OCP interposer card” on page 103 Remove the front OCP interposer card Follow instructions in this section to remove the front OCP interposer card. ThinkSystem SR655 V3 User Guide...
  • Page 105 About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server”...
  • Page 106 Remove the screws that secure the assembly. Slide the assembly out of the front chassis. Step 3. Lift the riser 5 assembly up off the front OCP assembly, and disconnect cables from the front OCP interposer card. ThinkSystem SR655 V3 User Guide...
  • Page 107 Figure 49. Lifting the riser 5 assembly Step 4. Remove the OCP module from the front OCP cage. Figure 50. Removing the OCP module Loosen the thumbscrew that secures the OCP module. Pull out the OCP module. Step 5. Remove the front OCP interposer card. Chapter 5 Hardware replacement procedures...
  • Page 108 Follow instructions in this section to install the front OCP interposer card. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. ThinkSystem SR655 V3 User Guide...
  • Page 109 • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
  • Page 110 Figure 53. Installing the OCP module Push the OCP module into the slot until it is fully seated. Tighten the thumbscrew to secure the OCP module. Step 4. Install the riser 5 assembly on the front OCP assembly. ThinkSystem SR655 V3 User Guide...
  • Page 111 Figure 54. Installing the riser 5 assembly on the front OCP assembly Step 5. Install the front adapter assembly. Chapter 5 Hardware replacement procedures...
  • Page 112 Follow instructions in this section to remove the rear OCP interposer card. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. ThinkSystem SR655 V3 User Guide...
  • Page 113 • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
  • Page 114 Step 4. Install the riser 1 assembly if you have removed it. See “Install a rear riser assembly” on page 236. After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. ThinkSystem SR655 V3 User Guide...
  • Page 115 Demo video Watch the procedure on YouTube Front PCIe adapter and riser card replacement Follow instructions in this section to remove and install the front PCIe adapter and riser 5 card. • “Remove the front PCIe adapter and riser card” on page 105 •...
  • Page 116 Remove the screws that secure the assembly. Slide the assembly out of the front chassis. Step 3. Lift the riser 5 assembly up off the front OCP assembly, and disconnect cables from the front OCP interposer card. ThinkSystem SR655 V3 User Guide...
  • Page 117 Figure 59. Lifting the riser 5 assembly Step 4. Remove the PCIe adapter from the riser 5 cage. Note: For ThinkSystem AMD X3522 10/25GbE DSFP28 2-port PCIe Ethernet Adapter, remove the screw that secures the adapter first. Figure 60. Removing the PCIe adapter from the riser 5 cage Press the retainer clip downward.
  • Page 118 • For ThinkSystem AMD X3522 10/25GbE DSFP28 2-port PCIe Ethernet Adapter installed on the front riser card, make sure that the XCC firmware version is KAX334O or later. Firmware and driver download: You might need to update the firmware or driver after replacing a component. ThinkSystem SR655 V3 User Guide...
  • Page 119 • Go to https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver- to see the latest firmware and driver updates for your server. list/ • Go to “Update the firmware” on page 489 for more information on firmware updating tools. Procedure Step 1. Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server.
  • Page 120 Step 4. Install the riser 5 assembly on the front OCP assembly. Figure 64. Installing the riser 5 assembly on the front OCP assembly Step 5. Install the front adapter assembly. ThinkSystem SR655 V3 User Guide...
  • Page 121 Figure 65. Installing the front adapter assembly Insert the front adapter assembly into the front chassis. Install the screws to secure the front adapter assembly in place. Step 6. Connect the cables to the system board assembly and the rear OCP interposer card. See Chapter 6 “Internal cable routing”...
  • Page 122 Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. S002 CAUTION: The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 123 Follow instructions in this section to install the fan board. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 124 “Remove the front 3.5-inch drive backplane” on page 120 • “Install the front 3.5-inch drive backplane” on page 121 Remove the front 2.5-inch drive backplane Follow instructions in this section to remove the front 2.5-inch drive backplane. About this task ThinkSystem SR655 V3 User Guide...
  • Page 125 Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page •...
  • Page 126 Figure 68. Removing the 2.5-inch drive backplane Figure 69. Removing the 24-bay drive backplane Lift the release tabs. Rotate the backplane from the top to disengage it from the two pins on the chassis. ThinkSystem SR655 V3 User Guide...
  • Page 127 Step 3. Record the cable connections on the backplane and then disconnect all cables from the backplane. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video Watch the procedure on YouTube Install the front 2.5-inch drive backplane...
  • Page 128 Connect the cables to the backplane. See Chapter 6 “Internal cable routing” on page 343. Step 3. Install the 2.5-inch drive front backplane. Note: Depending on the specific type, your backplane might look different from the illustration. ThinkSystem SR655 V3 User Guide...
  • Page 129 Figure 71. Installing the 2.5-inch drive backplane Figure 72. Installing the 24-bay expander backplane Chapter 5 Hardware replacement procedures...
  • Page 130 If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See “Remove the server from rack” on page Remove the top cover. See “Remove the top cover” on page 339. ThinkSystem SR655 V3 User Guide...
  • Page 131 Remove the system fan cage for easier operation. See “Remove the system fan cage” on page 332. Remove the air baffle if needed. See “Remove the air baffle” on page Step 2. Remove the 3.5-inch drive backplane. Note: Depending on the specific type, your backplane might look different from the illustration. Figure 73.
  • Page 132 Then, take the new part out of the package and place it on a static-protective surface. Step 2. Connect the cables to the backplane. See Chapter 6 “Internal cable routing” on page 343. Step 3. Install the 3.5-inch drive backplane. ThinkSystem SR655 V3 User Guide...
  • Page 133 Note: Depending on the specific type, your backplane might look different from the illustration. Figure 74. Installing the 3.5-inch drive backplane Align the backplane with the chassis and lower it into the chassis. Then, put the backplane into place with it leaning backward slightly. Rotate the backplane to vertical position to ensure that the four hooks on the chassis pass through the corresponding holes in the backplane.
  • Page 134 To replace the front I/O module on the media bay: • “Remove the front I/O module” on page 124 • “Install the front I/O module” on page 127 Remove the front I/O module Follow instructions in this section to remove the front I/O module. ThinkSystem SR655 V3 User Guide...
  • Page 135 About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server”...
  • Page 136 Remove the screw that secure the front I/O module. Slide the media bay out of the front chassis. Step 4. (Optional) If you are replacing the Integrated Diagnostics Panel, remove the diagnostics panel from the front I/O module. ThinkSystem SR655 V3 User Guide...
  • Page 137 Figure 80. Removing the Integrated Diagnostics Panel Press down the clips as shown. Pull the diagnostics panel by its handle to get it out of its assembly. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 138 343. 2. Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube GPU replacement Follow instructions in this section to remove and install a GPU adapter. ThinkSystem SR655 V3 User Guide...
  • Page 139 • “Remove a GPU adapter” on page 129 • “Install a GPU adapter” on page 132 Air baffle Supported GPU adapter Half length, low profile, single-wide Figure 84. Standard air baffle Full length, full height, double-wide Figure 85. GPU Air baffle Remove a GPU adapter Follow instructions in this section to remove a GPU adapter.
  • Page 140 GPU adapter on riser 1 or 2 assembly Note: The following uses riser 1 assembly as an example for illustration. The replacement procedure is the same for riser 2 assembly. Figure 86. Removing the riser 1 assembly with GPU adapter ThinkSystem SR655 V3 User Guide...
  • Page 141 Open the blue latch on the GPU air baffle. Loosen the screw that secures the riser assembly. Grasp the riser assembly by its edges and carefully lift it straight up and off the chassis. GPU adapter on riser 3 assembly Open the blue latch on the GPU air baffle.
  • Page 142 • GPU adapters are supported on some server models with requirements. See “Thermal rules” on page ThinkSystem SR655 V3 User Guide...
  • Page 143 • All installed GPU adapters must be identical. Procedure Step 1. Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server. Then, take the new part out of the package and place it on a static-protective surface.
  • Page 144 Install the riser assembly with the GPU adapter. GPU adapter on riser 1 or 2 assembly Note: The following uses riser 1 assembly as an example for illustration. The replacement procedure is the same for riser 2 assembly. ThinkSystem SR655 V3 User Guide...
  • Page 145 Figure 91. Installing the riser 1 assembly with GPU adapter Align the riser card with the PCIe slot on the processor board. Carefully press the riser card straight into the slot until it is securely seated. Open the blue latch on the GPU air baffle and fix the end of the GPU adapter. Then, close the blue latch.
  • Page 146 The vacant bays are either covered by an EMI-protective panel or occupied by drive fillers. When installing a drive, save the removed drive filler in case that you later remove the drive and need the drive filler to cover the place. ThinkSystem SR655 V3 User Guide...
  • Page 147 • To avoid damage to the drive connectors, ensure that the top cover is in place and fully closed whenever you install or remove a drive. Remove a hot-swap drive Follow instructions in this section to remove a hot-swap drive. About this task Attention: •...
  • Page 148 Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server. Then, take the new part out of the package and place it on a static-protective surface. ThinkSystem SR655 V3 User Guide...
  • Page 149 Step 2. Install the drive in the drive bay. Ensure that the drive tray handle is in the open position. Slide the drive into the drive bay until it snaps into position. Close the drive tray handle to lock the drive in place. Figure 98.
  • Page 150 • The connectors on your system board assembly might look different from those in the illustration, but the removal procedure is the same. 1. Press the release tab to release the connector. 2. Disengage the connector from the cable socket. ThinkSystem SR655 V3 User Guide...
  • Page 151 Figure 99. Disconnecting cables from the system board assembly Step 2. Lift the blue touch point, slightly slide the adapter as shown, and carefully lift it out of the chassis. Figure 100. Removing the internal CFF adapter After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 152 Note: The illustration shows installing the CFF adapter on the left side (viewed from the front of the server). When the 24 x 2.5-inch expander backplane is installed, the CFF adapter can be installed only on the other side (right side viewed from the front of the server). ThinkSystem SR655 V3 User Guide...
  • Page 153 Figure 101. Installing the internal CFF adapter Step 3. Connect cables to the adapter. See Chapter 6 “Internal cable routing” on page 343. After you finish 1. Install the system fan cage. See “Install the system fan cage” on page 333.
  • Page 154 Figure 102. Rotating the fan cage Step 3. Remove the intrusion switch assembly from the fan cage. Note: The blowup in the illustration shows the fan cage upside down. Figure 103. Removing the intrusion switch ThinkSystem SR655 V3 User Guide...
  • Page 155 Move the intrusion switch connector in the shown direction to disengage it from the keyhole. Release the intrusion switch cable from the pre-cut slots on the foam and fan cage bottom. Release the intrusion switch cable from the cable clip. Slide and pull the intrusion switch to remove it from the holder.
  • Page 156 “Install the system fan cage” on page 333. Step 4. Install system fans into the fan cage. “Install a system fan” on page 330. After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video ThinkSystem SR655 V3 User Guide...
  • Page 157 Module (DWCM). Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. • Configurations with DWCM do not support rail kits with cable management arm (CMA).
  • Page 158 Disconnect the liquid detection sensor module cable of the DWCM from the connector on the system board assembly. See “Direct water cooling module” on page 356. Step 2. Remove the riser cage. • 1FH riser cage Figure 105. Removing the 1FH riser cage • 3FH riser cage ThinkSystem SR655 V3 User Guide...
  • Page 159 Figure 106. Removing the 3FH riser cage Loosen the screw that secures the riser cage. Grasp the riser cage by its edges and carefully lift it straight up and off the chassis. Step 3. Disengage the hoses and liquid detection sensor module. Figure 107.
  • Page 160 Loosen the screws that locks the holder to the system I/O board. Move the blue latch towards the rear of the server. Lift the hose holder out of the chassis. Install the screws to secure the firmware and RoT security module if needed. ThinkSystem SR655 V3 User Guide...
  • Page 161 Follow the instructions in this section to install the Direct Water Cooling Module (DWCM). Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 162 Tighten the screws to secure the hose holder to the system I/O board. Step 2. Install the processor. See “Install a processor” on page 257. Step 3. Install the DWCM to the system board assembly. ThinkSystem SR655 V3 User Guide...
  • Page 163 Figure 111. Installing the DWCM Align the triangular mark and screws on the cold plate assembly with the triangular mark and threaded posts on the processor socket; then install the cold plate assembly on the processor socket. Fully tighten all the screws in the installation sequence shown on the cold plate assembly. Note: For reference, the torque required for the fasteners to fully tighten is 1.25-1.45 newton- meters (11.0-13.0 inch-pounds).
  • Page 164 Place the hoses and the liquid detection sensor module on the hose holder. Figure 113. Placing the hoses and module Place the hoses on the hose holder. Place the liquid detection sensor module on the hose holder. Notes: ThinkSystem SR655 V3 User Guide...
  • Page 165 Figure 114. Installation details • Place the middle part of the hose against the blue latch, and insert the outlet hose and the inlet hose into the holder. • Check the guiding labels on the hoses before installation, and align the labels with the front edge of the hose holder.
  • Page 166 Align the riser card with the riser slot on the system board assembly. Carefully press the riser card straight into the slot until it is securely seated. Tighten the screw to secure the riser cage. ThinkSystem SR655 V3 User Guide...
  • Page 167 Step 7. Connect the cable of the liquid detection sensor module to the connector on the system board assembly. See “Direct water cooling module” on page 356. After you finish 1. Install the air baffle or middle drive cage. See “Install the air baffle”...
  • Page 168 “Install an M.2 drive” on page 159. 2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. ThinkSystem SR655 V3 User Guide...
  • Page 169 Firmware and driver download: You might need to update the firmware or driver after replacing a component. • Go to https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver- list/ to see the latest firmware and driver updates for your server. • Go to “Update the firmware”...
  • Page 170 Slide the retainer toward the M.2 drive to secure it in place. After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube ThinkSystem SR655 V3 User Guide...
  • Page 171 Remove the M.2 backplane Follow instructions in this section to remove the M.2 backplane. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server”...
  • Page 172 Figure 123. Disconnecting M.2 cables from ThinkSystem M.2 RAID B540i-2i SATA/NVMe Enablement Kit Pull up the latch on the M.2 cable. Disconnect the M.2 cable from the M.2 backplane. Step 5. Remove the M.2 backplane. ThinkSystem SR655 V3 User Guide...
  • Page 173 Figure 124. Removing the M.2 backplane from the air baffle Unfasten the screw that secures the M.2 backplane to the air baffle. Slide and hold the retention clip on the air baffle. Remove the M.2 backplane from the air baffle, and release the retention clip. Figure 125.
  • Page 174 Align the guide holes on the M.2 backplane with the guide pins on the air baffle, and insert the backplane into the air baffle. Slide and hold the retention clip on the air baffle. Rotate the M.2 backplane downward into place. ThinkSystem SR655 V3 User Guide...
  • Page 175 Release the retention clip. The retention clip will engage automatically. Tighten the screw to secure the M.2 backplane. Figure 127. Installing the M.2 backplane on the middle drive cage Align the notch of the M.2 backplane with the pin on the middle drive cage, and then lower the M.2 backplane onto the middle drive cage.
  • Page 176 Install the M.2 drive on the M.2 backplane. See “Install an M.2 drive” on page 159. After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube ThinkSystem SR655 V3 User Guide...
  • Page 177 Step 1. Make preparation for the task. Access the Lenovo XClarity Controller; then, select Network in BMC Configuration and disable Ethernet Port 2. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack.
  • Page 178 Firmware and driver download: You might need to update the firmware or driver after replacing a component. • Go to https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver- to see the latest firmware and driver updates for your server. list/ ThinkSystem SR655 V3 User Guide...
  • Page 179 Use the following procedures to remove and install the manifolds. Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 180 The illustrations below present the rear views of a rack cabinet; three sets of manifolds and three sets of connection hoses. There are two labels attached to the front of the manifolds, and one label on one end of each hose. ThinkSystem SR655 V3 User Guide...
  • Page 181 Figure 133. Manifolds in a 42U in-row Figure 134. Manifolds in a 42U in-rack system system Figure 135. Manifolds in a 48U in-rack system Figure 137. 42U in-rack connection Figure 138. 48U in-rack connection Figure 136. 42U in-row hose kit •...
  • Page 182 Use this information to remove the manifold in an in-rack direct water cooling system. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 183 DANGER Risk of electric shock due to water or a water solution which is present in this product. Avoid working on or near energized equipment with wet hands or when spilled water is present. Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist”...
  • Page 184 Note: Disengage the return side first, then disengage the supply side. Figure 141. Removing the connection set Rotate the ball valve to the left. Pull the connection set off from ball valve. Step 6. Remove the return manifold with the connection set attached. ThinkSystem SR655 V3 User Guide...
  • Page 185 Figure 142. Removing the manifold Hold the manifold with both hands, and lift it upward to relocate the spools from the small openings to large ones on the rack cabinet. Remove the manifold with the connection set attached. Step 7. Repeat Step 6 on page 174 to the supply manifold.
  • Page 186 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 9. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem SR655 V3 User Guide...
  • Page 187 Figure 144. Opening the bleeder valve Step 10. Install the bleeder kit to the manifold return side. Note: This step drains the coolant with the help of a pressure difference inside and outside the return manifold. Chapter 5 Hardware replacement procedures...
  • Page 188 Plug the bleeder kit to the manifold. Step 11. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. Figure 146. Opening the bleeder valve ThinkSystem SR655 V3 User Guide...
  • Page 189 Use this information to install the manifold in an in-rack direct water cooling system. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 190 DANGER Risk of electric shock due to water or a water solution which is present in this product. Avoid working on or near energized equipment with wet hands or when spilled water is present. Attention: ThinkSystem SR655 V3 User Guide...
  • Page 191 Make sure that the in-rack CDU and other devices are not powered on, and that all external cables are disconnected. Step 2. To install the Direct Water Cooling Module (DWCM), see “Install the Lenovo Neptune Processor Direct Water Cooling Module” on page 151. Step 3.
  • Page 192 Note: One end of a connection set comes with a detachable ball valve, and the two parts are connected by a ferrule. Remove the ferrule to separate the ball valve that is bound for CDU in Step 7 on page 183. ThinkSystem SR655 V3 User Guide...
  • Page 193 Figure 149. Separating ball valves 17 mm wrench Loosen the screw that locks the ferrule. Put the screw down. Open the clamp. Remove the ferrule. Remove the ball valve from connection set. Step 7. Install ball valves to CDU. Figure 150. Installing ball valves Connect the ball valves to Supply and Return ports.
  • Page 194 Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 9. Install the connection set to ball valves. Note: Install the supply side first, then install the return side. ThinkSystem SR655 V3 User Guide...
  • Page 195 Figure 152. Connecting ball valves Connect ball valves. Rotate to the right to lock the two valves. Step 10. Prepare the in-rack CDU. Connect the feed hose to inlet port on the front. Figure 153. The front of CDU Connect hoses to the drain port and bleeder port on the rear. Chapter 5 Hardware replacement procedures...
  • Page 196 Lenovo Neptune DWC RM100 in-rack Coolant Distribution Unit (CDU) Operation & Maintenance Guide. • For service support, associated warranty and maintenance sizing, contact Lenovo Professional Services team at cdusupport@lenovo.com. Step 11. Install the quick connect plug to the manifolds. Figure 155. Installing the quick connect plug Remove the rubber quick connect plug covers from the ports on the manifold.
  • Page 197 Figure 156. Installing the bleeder kit to the supply side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 13. To push the air out of the manifolds, open ball valve switches to let coolant fill the system. Figure 157.
  • Page 198 Figure 158. Opening the bleeder valve on the supply side Step 15. Install the bleeder kit to the manifold return side. ThinkSystem SR655 V3 User Guide...
  • Page 199 Figure 159. Installing the bleeder kit on the return side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 16. Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose.
  • Page 200 Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem SR655 V3 User Guide...
  • Page 201 Use this information to remove the manifold in an in-row direct water cooling system. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 202 S042 DANGER Risk of electric shock due to water or a water solution which is present in this product. Avoid working on or near energized equipment with wet hands or when spilled water is present. ThinkSystem SR655 V3 User Guide...
  • Page 203 Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page •...
  • Page 204 Re-install the rubber quick connect plug covers to the ports on the manifold. Step 3. Repeat Step 2 on page 193 to the other manifold. Step 4. Remove the manifold with the hose kit attached. ThinkSystem SR655 V3 User Guide...
  • Page 205 Figure 164. Removing the manifold Hold the manifold with both hands, and lift it upward to relocate the spools from the small openings to large ones on the rack cabinet. Remove the manifold with the hose kit attached. Step 5. Repeat Step 4 on page 194 to the other manifold.
  • Page 206 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 7. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem SR655 V3 User Guide...
  • Page 207 Figure 166. Opening the bleeder valve Step 8. Install the bleeder kit to the manifold return side. Note: This step drains the coolant with the help of a pressure difference inside and outside the return manifold. Chapter 5 Hardware replacement procedures...
  • Page 208 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 9. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem SR655 V3 User Guide...
  • Page 209 Figure 168. Opening the bleeder valve Step 10. Separate the manifold from the hose kit in a dry and clean work area, and keep a bucket and absorbent cloths around to collect any coolant that may drain out. Figure 169. Separating the manifold from the hose kit 17 mm wrench Loosen the screw that locks the ferrule.
  • Page 210 Use this information to install the manifold in an in-row direct water cooling system. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 211 • This task requires two or more people. Procedure Step 1. To install the Direct Water Cooling Module (DWCM), see “Install the Lenovo Neptune Processor Direct Water Cooling Module” on page 151. Step 2. To install the server into the rack, see “Install the server to rack”...
  • Page 212 Note: For more information about the rack cabinet, see ThinkSystem Heavy Duty Full Depth Rack Cabinets User Guide. Step 4. Repeat Step 3 on page 201 to the other manifold. Step 5. Install the quick connect plug to the manifolds. ThinkSystem SR655 V3 User Guide...
  • Page 213 Figure 171. Installing the quick connect plug Remove the rubber quick connect plug covers from the ports on the manifold. Connect the plug to the manifold port. Step 6. Install the hose kit to the manifold. Chapter 5 Hardware replacement procedures...
  • Page 214 Wrap the interface around with the clamp. Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 7. Install the bleeder kit to the manifold supply side. ThinkSystem SR655 V3 User Guide...
  • Page 215 Figure 173. Installing the bleeder kit to the supply side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 8. To push the air out of the manifold supply side, connect facility supply to manifold return. Chapter 5 Hardware replacement procedures...
  • Page 216 Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem SR655 V3 User Guide...
  • Page 217 Figure 175. Opening the bleeder valve on the supply side Step 10. Install the bleeder kit to the manifold return side. Chapter 5 Hardware replacement procedures...
  • Page 218 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 11. To push the air out of the manifold return side, connect facility supply to manifold supply. ThinkSystem SR655 V3 User Guide...
  • Page 219 Figure 177. Facility supply to manifold supply Press the button on the ball valve switch. Rotate both switches open and stop at around 1/4 of 90 degrees. Attention: • Open the ball valves on manifold supply side and facility supply side, while keep manifold return side closed.
  • Page 220 Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem SR655 V3 User Guide...
  • Page 221 Figure 179. Opening the bleeder valve on the supply side Step 14. Once completed, connect the supply and return of manifold and facility correspondingly. Fully open all connections on both supply and return sides. Chapter 5 Hardware replacement procedures...
  • Page 222 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page ThinkSystem SR655 V3 User Guide...
  • Page 223 • Make sure to remove or install memory module 20 seconds after disconnecting power cords from the system. It allows the system to be completely discharged of electricity and safe for handling memory module. • Memory modules are sensitive to static discharge and require special handling. Refer to the standard guidelines for “Handling static-sensitive devices”...
  • Page 224 It allows the system to be completely discharged of electricity and safe for handling memory module. • Memory modules are sensitive to static discharge and require special handling. Refer to the standard guidelines at “Handling static-sensitive devices” on page ThinkSystem SR655 V3 User Guide...
  • Page 225 Firmware and driver download: You might need to update the firmware or driver after replacing a component. • Go to https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver- to see the latest firmware and driver updates for your server. list/ • Go to “Update the firmware”...
  • Page 226 Remove the MicroSD card Follow the instructions in this section to remove the MicroSD card. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. ThinkSystem SR655 V3 User Guide...
  • Page 227 • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
  • Page 228 Remote Disc On Card (RDOC) will be lost. To roll back firmware versions without the card installed, do it in Lenovo XClarity Controller. If the removed MicroSD card works normally, install it to a new system I/O board.
  • Page 229 MicroSD card will be lost. After a new MicroSD card is installed, subsequent firmware update history will be saved to the new card. • To update firmware, refer to “Updating Server Firmware” section in Lenovo XClarity Controller Figure 184. Installing the MicroSD card Step 1.
  • Page 230 • Before you remove or make changes to drives, drive controllers (including controllers that are integrated on the system board assembly), drive backplanes or drive cables, back up all important data that is stored on drives. ThinkSystem SR655 V3 User Guide...
  • Page 231 • Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration information. • If one or more NVMe solid-state drives are to be removed, it is recommended to disable them beforehand via the operating system. Procedure Step 1.
  • Page 232 Open the release latches in the direction as shown. Rotate the backplane from the top to disengage it from the pins on the drive cage. Carefully lift the backplane out of the drive cage. After you finish ThinkSystem SR655 V3 User Guide...
  • Page 233 If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video Watch the procedure on YouTube Install the middle drive backplanes and drive cage Follow instructions in this section to install the middle drive backplanes and drive cage.
  • Page 234 Push the top of the backplane forward until it clicks in place. Ensure that the holes in the backplane pass through the pins on the drive cage, and the release latches secure the backplane in position. Figure 189. Installing the middle 3.5-inch drive backplane ThinkSystem SR655 V3 User Guide...
  • Page 235 Align the bottom of the backplane with the studs at the bottom of the drive cage, and lower the backplane into the drive cage. Push the top of the backplane forward so that the holes in the backplane pass through the pins on the drive cage, and close the release latches to secure the backplane in position.
  • Page 236 • 3-slot riser cage • Gen 4 Configuration with 8 PCIe slots • Gen 5 • 3-slot riser cage • 3-slot riser cage • 4LP riser 3/4 cage Configuration with 10 PCIe slots LP: low profile ThinkSystem SR655 V3 User Guide...
  • Page 237 Table 25. Riser cages (continued) Server rear configuration Riser 1 cage Riser 2 cage Riser 3 cage or 4LP riser 3/4 cage • 3-slot riser cage • 3-slot riser cage Configuration with a 4 x 2.5-inch rear drive cage • 3-slot riser cage •...
  • Page 238 Grasp the riser assembly by its edges and carefully lift it straight up and off the chassis. • Riser 3 assembly Grasp the riser assembly by its edges and carefully lift it straight up and off the chassis. ThinkSystem SR655 V3 User Guide...
  • Page 239 Figure 192. Removing the riser 3 assembly • 4LP riser 3/4 assembly 1. Remove riser 3 assembly and riser 4 assembly. Figure 193. Removing the riser 3/4 assembly 2. Remove the riser cage tray. Chapter 5 Hardware replacement procedures...
  • Page 240 • Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration information. Procedure Step 1. Make preparation for the task. ThinkSystem SR655 V3 User Guide...
  • Page 241 If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See “Remove the server from rack” on page Remove the top cover. See “Remove the top cover”...
  • Page 242 Step 3. (Optional) If you are replacing the riser card, remove the riser card from the riser cage. Figure 198. Removing riser card 1 (same for riser card 2) Figure 199. Removing riser card 3 ThinkSystem SR655 V3 User Guide...
  • Page 243 Figure 200. Removing the riser card from 4LP riser 3/4 cage Loosen the screws that secure the riser card. Grasp the riser card by its edges and carefully take it out of the riser bracket in the shown direction. After you finish 1.
  • Page 244 (Optional) If you have removed the riser card, install the riser card first. Figure 201. Installing riser card 1 Figure 202. Installing riser card 3 Figure 203. Installing the riser card to 4LP riser 3/4 cage ThinkSystem SR655 V3 User Guide...
  • Page 245 Align the riser card with the riser bracket and install it into the riser bracket in the shown direction. Install the screws to secure the riser card into place. Step 3. Install the new PCIe adapter to the riser assembly. Figure 204.
  • Page 246 Procedure Step 1. Install the riser assembly into the chassis. • Riser 1 assembly (same for riser 2 assembly) ThinkSystem SR655 V3 User Guide...
  • Page 247 Figure 207. Installing the riser 1 assembly Align the riser card with the riser slot on the processor board. Carefully press the riser card straight into the slot until it is securely seated. Tighten the screw to secure the riser cage. •...
  • Page 248 Align the riser cage tray with the screws that secure the riser cage tray. Install the screws to fix the riser cage tray to the chassis. 2. Install the riser 3 assembly and riser 4 assembly into the riser cage. Figure 210. Installing the riser 3/4 assembly ThinkSystem SR655 V3 User Guide...
  • Page 249 Step 2. Connect cables to the riser card and PCIe adapter. See Chapter 6 “Internal cable routing” on page 343. After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube Rear OCP module replacement Follow instructions in this section to remove and install the rear OCP module.
  • Page 250 Then, take the new part out of the package and place it on a static-protective surface. Step 2. Remove the OCP module filler if there is. Step 3. Install the OCP module. ThinkSystem SR655 V3 User Guide...
  • Page 251 Note: Ensure that the OCP module is fully seated and the thumbscrew is securely tightened. Otherwise, the OCP module will not get full connection and may not function. Figure 212. Installing the rear OCP module Push the OCP module into the slot until it is fully seated. Tighten the thumbscrew to secure the OCP module.
  • Page 252 Follow instructions in this section to remove the PIB. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 253 Follow the instructions in this section to install the PIB. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 254 Safety precautions for AC power supplies The following tips describe the information that you must consider when you replace an AC power supply. ThinkSystem SR655 V3 User Guide...
  • Page 255 S035 CAUTION: Never remove the cover on a power supply or any part that has this label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. S002 CAUTION: The power-control button on the device and the power switch on the power supply do not turn off the electrical...
  • Page 256 The power-control button on the device does not turn off the electrical current supplied to the device. The device also might have more than one connection to dc power. To remove all electrical current from the device, ensure that all connections to dc power are disconnected at the dc power input terminals. ThinkSystem SR655 V3 User Guide...
  • Page 257 S029 DANGER For -48V dc power supply, electrical current from power cords is hazardous. To avoid a shock hazard: • To connect or disconnect -48V dc power cords when you need to remove/install redundancy power supply unit(s). To Connect: To Disconnect: 1.
  • Page 258 Press the release tab toward the handle and carefully pull the handle at the same time to slide the hot-swap power supply unit out of the chassis. Note: If your CMA kit obstructs in the way, slightly pull the power supply unit upwards when sliding the power supply unit out of the chassis. ThinkSystem SR655 V3 User Guide...
  • Page 259 If you are replacing the existing power supply unit with a new one: • Use Lenovo Capacity Planner to calculate the required power capacity for what is configured for your server. More information about Lenovo Capacity Planner is available at: https://datacentersupport.lenovo.com/solutions/lnvo-lcp...
  • Page 260 3. Connect the other end of the power cord to a properly grounded electrical outlet. • For –48V DC power supply units: 1. Use a slotted screwdriver to loosen the 3 captive screws on the power supply terminal block. ThinkSystem SR655 V3 User Guide...
  • Page 261 2. Check the type label on the power supply block and each power cord. Type PSU terminal block Power cord Input -Vin Ground Input 3. Face the groove side of each power cord pin upwards, and plug the pins into corresponding holes on the power block.
  • Page 262 Follow instructions in this section to remove and install a processor or a heat sink. Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 263 Follow instructions in this section to remove a heat sink. This task requires a Torx T20 screwdriver. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 264 332. Step 2. Remove the heat sink. Notes: • Do not touch the contacts on the bottom of the processor. • Keep the processor socket clean from any object to prevent possible damages. ThinkSystem SR655 V3 User Guide...
  • Page 265 Figure 222. Removing a standard heat sink Figure 223. Removing a performance heat sink Fully loosen all the screws on the heat sink in the removal sequence shown on the heat- sink label. Carefully lift the heat sink from the processor socket. After you finish Chapter 5 Hardware replacement procedures...
  • Page 266 Follow instructions in this section to remove a processor. This task requires a Torx T20 driver. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 267 Follow instructions in this section to install a processor. This task requires a Torx T20 driver. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 268 Follow the instructions in this section to install a heat sink. This task requires a Torx T20 driver. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 269 Step 1. Do the following according to your need. If you are replacing a processor and reusing the heat sink: 1. Remove the processor identification label from the heat sink and replace it with the new label that comes with the replacement processor. 2.
  • Page 270 After you finish 1. Install the system fan cage if you have removed it. See “Install the system fan cage” on page 333. 2. Complete the parts replacement. See “Complete the parts replacement” on page 342. ThinkSystem SR655 V3 User Guide...
  • Page 271 Demo video Watch the procedure on YouTube Rack latches replacement Follow the instructions in this section to remove and install the rack latches. Notes: • Depending on the model, the left rack latch might be assembled with a VGA connector and the right rack latch might be assembled with the front I/O module.
  • Page 272 Rotate the lower part of the cable retainer and remove it from the chassis. Step 4. Remove the screws that secure the rack latch. Figure 230. Removing the screws Step 5. Slide the rack latch forward slightly and then remove the rack latch from the chassis. ThinkSystem SR655 V3 User Guide...
  • Page 273 Figure 231. Removing the rack latch After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video Watch the procedure on YouTube Install the rack latches Follow the instructions in this section to install the rack latches.
  • Page 274 Figure 232. Installing the rack latch Step 3. Install the screws to secure the rack latch on the side of the server. Figure 233. Installing the screws Step 4. Install the cable retainer. ThinkSystem SR655 V3 User Guide...
  • Page 275 Figure 234. Installing the cable retainer Insert the upper part of the cable retainer into the chassis, and then rotate the lower part to install the rack latch in place. Install the screws to secure the cable retainer. Step 5. Connect the cable on the rack latch to the system board assembly.
  • Page 276 Follow instructions in this section to remove a RAID flash power module from the chassis. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. ThinkSystem SR655 V3 User Guide...
  • Page 277 • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
  • Page 278 Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server. Then, take the new part out of the package and place it on a static-protective surface. Step 2. Install the supercap holder if you have removed it. ThinkSystem SR655 V3 User Guide...
  • Page 279 Figure 243. Installing the supercap holder Figure 244. Installing the supercap holder Align the notch on the supercap holder with Align the keyhole on the supercap holder the pin on the chassis. with the pin on the chassis, and lower the supercap holder into the chassis.
  • Page 280 Take the RAID flash power module out of the holder. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video ThinkSystem SR655 V3 User Guide...
  • Page 281 Watch the procedure on YouTube Install a RAID flash power module on the air baffle Follow instructions in this section to install a RAID flash power module (also called supercap) on the air baffle. About this task Attention: • Read “Installation Guidelines”...
  • Page 282 “Remove the top cover” on page 339. Disconnect the cable of the RAID flash power module. Step 2. Remove the rubber on the cover of the supercap holder. Figure 249. Removing the rubber Step 3. Open the drive cage handle. ThinkSystem SR655 V3 User Guide...
  • Page 283 Figure 250. Opening the handle of the middle drive cage Step 4. Remove the RAID flash power module from the middle drive cage. Figure 251. Removing the RAID flash power module from the middle drive cage Pull out the blue latch on the supercap cover. Slide the cover out of the holder.
  • Page 284 Then, release the blue latch to lock the cover into place. Step 3. Press the latch as shown and close the handle. ThinkSystem SR655 V3 User Guide...
  • Page 285 Figure 253. Closing the handle of the middle drive cage Step 4. Install the rubber onto the cover of the supercap holder. Figure 254. Installing the rubber Step 5. Connect the RAID flash power module to an adapter with the extension cable that comes with the RAID flash power module.
  • Page 286 If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See “Remove the server from rack” on page Remove the top cover. See “Remove the top cover” on page 339. ThinkSystem SR655 V3 User Guide...
  • Page 287 Remove the riser assembly or rear drive cage. • “Rear PCIe adapter and riser assembly replacement” on page 226 • “Rear drive backplane and drive cage replacement” on page 289 Step 2. Remove the rearwall bracket. Remove the screws. Remove the bracket from the chassis as shown. Note: The illustrations show removing the A1, B1, and C1 rearwall brackets.
  • Page 288 Then, take the new part out of the package and place it on a static-protective surface. Step 2. Install the rearwall brackets. Align the rearwall bracket with the chassis, and insert the bracket into place. Install the screws to secure the rearwall bracket. ThinkSystem SR655 V3 User Guide...
  • Page 289 Note: The illustrations show installing the A1, B1, and C1 rearwall brackets. The procedure is the same for installing other rearwall brackets. Figure 258. Installing the A1 rearwall bracket (left) Figure 259. Installing the B1 rearwall bracket (middle) Figure 260. Installing the C1 rearwall bracket (right) Chapter 5 Hardware replacement procedures...
  • Page 290 • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system. ThinkSystem SR655 V3 User Guide...
  • Page 291 • Before you remove or make changes to drives, drive controllers (including controllers that are integrated on the system board assembly), drive backplanes or drive cables, back up all important data that is stored on drives. • Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration information.
  • Page 292 Remove the two screws. Slightly and horizontally slide the cage out of the riser cage. Step 4. (Only for the 2FH+7mm SSD riser cage) Remove the 7mm drive cage securing clip from the riser cage. ThinkSystem SR655 V3 User Guide...
  • Page 293 Figure 264. Removing the 7mm drive cage securing clip After you finish Remove the two 7mm backplanes. See “Remove the 7mm drive backplanes” on page 283. Demo video Watch the procedure on YouTube Remove the 7mm drive backplanes Follow instructions in this section to remove the 7mm drive backplanes. About this task Attention: •...
  • Page 294 Remove the screw. Remove the backplane horizontally from the cage as shown. After you finish 1. Do one of the following: • If you are replacing the backplanes, install new backplanes to the drive cage. ThinkSystem SR655 V3 User Guide...
  • Page 295 • If you are replacing the drive cage, install the backplanes to a new drive cage. 2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video Watch the procedure on YouTube Install the 7mm drive backplanes...
  • Page 296 Procedure Step 1. (Only for the 2FH+7mm SSD riser cage) Hook the securing clip over the riser adapter on the riser cage. ThinkSystem SR655 V3 User Guide...
  • Page 297 Figure 269. Installing the 7mm drive cage securing clip Step 2. (Only for the 2FH+7mm SSD riser cage) Install the 7mm drive cage to the riser assembly. Figure 270. Installing the 7mm drive cage to the riser assembly Align the left-side pin on the 7mm drive cage with the positioning slot on the securing clip, the two holes on the side brackets of the 7mm drive cage with the two holes on the front of the riser cage.
  • Page 298 Tighten the screw to secure the riser assembly in place. • 7mm SSD riser cage Figure 272. Installing the 7mm SSD riser cage Step 4. Connect the cables to the backplanes. See Chapter 6 “Internal cable routing” on page 343. After you finish ThinkSystem SR655 V3 User Guide...
  • Page 299 1. Reinstall all the drives and fillers (if any) into the drive bays. See “Install a hot-swap drive” on page 138. 2. Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube Rear drive backplane and drive cage replacement Follow instructions in this section to remove and install rear drive backplanes and drive cages.
  • Page 300 Carefully lift the backplane out of the drive cage. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. ThinkSystem SR655 V3 User Guide...
  • Page 301 Install the 4 x 2.5" drive backplane and drive cage Follow instructions in this section to install the rear 2.5-inch 4-bay drive backplane and drive cage. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely.
  • Page 302 • Before you remove or make changes to drives, drive controllers (including controllers that are integrated on the system board assembly), drive backplanes or drive cables, back up all important data that is stored on drives. ThinkSystem SR655 V3 User Guide...
  • Page 303 • Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration information. • If one or more NVMe solid-state drives are to be removed, it is recommended to disable them beforehand via the operating system. Procedure Step 1.
  • Page 304 Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server. Then, take the new part out of the package and place it on a static-protective surface. Step 2. Install the drive backplane into the rear drive cage. ThinkSystem SR655 V3 User Guide...
  • Page 305 Figure 279. Installing the 8 x 2.5-inch rear drive backplane Align the pins of the backplane with the holes at both sides of the drive cage. Lower the backplane into the drive cage so that the pins of the backplane pass through the holes on the drive cage, and press the backplane into position.
  • Page 306 Disconnect cables from the rear drive backplane. Remove all the installed drives and fillers (if any) from the drive bays. See “Remove a hot-swap drive” on page 137. Step 2. Remove the rear drive cage. ThinkSystem SR655 V3 User Guide...
  • Page 307 Figure 281. Removing the 2 x 3.5-inch rear drive cage Twist and pull out the blue plungers. Slide the drive cage towards the rear of the chassis to release it, and lift the drive cage out of the chassis. Step 3. Remove the rear drive backplane.
  • Page 308 Lower the backplane into the drive cage so that the holes in the backplane pass through the pins on the drive cage, and press the backplane into position. Step 3. Install the rear drive cage. ThinkSystem SR655 V3 User Guide...
  • Page 309 Figure 284. Installing the 2 x 3.5-inch rear drive cage Align the rear drive cage with the chassis, and lower the drive cage into the chassis. Move the rear drive cage forward until it clicks into position. Twist and release the blue plunger to secure the drive cage in place. Step 4.
  • Page 310 Twist and pull out the blue plungers. Slide the drive cage towards the rear of the chassis to release it, and lift the drive cage out of the chassis. Step 3. Remove the rear drive backplane. ThinkSystem SR655 V3 User Guide...
  • Page 311 Figure 286. Removing the 4 x 3.5-inch rear drive backplane Open the release latches in the direction as shown. Rotate the backplane from the top to disengage it from the pins on the drive cage. Carefully lift the backplane out of the drive cage. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 312 Push the top of the backplane so that the holes in the backplane pass through the pins on the drive cage, and close the release latches to secure the backplane in place. Step 3. Install the rear drive cage. ThinkSystem SR655 V3 User Guide...
  • Page 313 Figure 288. Installing the 4 x 3.5-inch rear drive cage Align the rear drive cage with the chassis, and lower the drive cage into the chassis. Move the rear drive cage forward until it clicks into position. Twist and release the blue plungers to secure the drive cage in place. Step 4.
  • Page 314 Follow instructions in this section to remove the security bezel. About this task Attention: Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. Procedure Step 1. Use the key to unlock the security bezel. ThinkSystem SR655 V3 User Guide...
  • Page 315 Figure 290. Unlocking the security bezel Step 2. Press the release latch and rotate the security bezel outward to remove it from the chassis. Figure 291. Removing the security bezel After you finish Note: Before you ship the rack with the server installed, reinstall and lock the security bezel into place. Demo video Watch the procedure on YouTube Install the security bezel...
  • Page 316 Figure 293. Installing the security bezel Step 3. Use the key to lock the security bezel to the closed position. ThinkSystem SR655 V3 User Guide...
  • Page 317 Follow instructions in this section to remove and install the system board assembly. Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 318 Follow the instructions in this section to remove and install the ThinkSystem V3 Firmware and Root of Trust Security Module (firmware and RoT security module). Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 319 Follow instructions in this section to remove the ThinkSystem V3 Firmware and Root of Trust Security Module (firmware and RoT security module). About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. Attention: •...
  • Page 320 (firmware and RoT security module). About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. (Lenovo Trained technicians only) After replacing the firmware and RoT security module, update the UEFI, XCC and LXPM firmware to the specific version supported by the server.
  • Page 321 Using XCC to restore the BMC configuration 6. If there is a software (SW) key, for example, XCC FoD key, installed in the system, inject the key again to ensure that the key functions properly. See Using Lenovo Features on Demand. Chapter 5...
  • Page 322 OneCli.exe config set UEFI.TrustedComputingGroup_TPMDevice "Disabled" --bmc <userid>:<password>@<ip_ address> where: • <userid>:<password> are the credentials used to access the BMC (Lenovo XClarity Controller interface) of your server. The default user ID is USERID, and the default password is PASSW0RD (zero, not an uppercase o) •...
  • Page 323 Follow the procedure below to see the TPM firmware version: From Lenovo XClarity Provisioning Manager 1. Start the server and press the key specified in the on-screen instructions to display the Lenovo XClarity Provisioning Manager interface. (For more information, see the “Startup” section in the LXPM documentation compatible with your server at https://pubs.lenovo.com/lxpm-overview/...
  • Page 324 About this task Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. • When removing the memory modules, label the slot number on each memory module, remove all the memory modules from the processor board, and set them aside on a static-protective surface for reinstallation.
  • Page 325 Procedure Step 1. Make preparation for this task. Record all system configuration information, such as Lenovo XClarity Controller IP addresses, vital product data, and the machine type, model number, serial number, Universally Unique Identifier, and asset tag of the server.
  • Page 326 Figure 298. Removing the system board assembly Lift the two lift handles at the same time. Slide the system board assembly towards the front of the chassis until it stops. Tilt and lift the system board assembly out of the chassis. ThinkSystem SR655 V3 User Guide...
  • Page 327 Step 3. Remove the fan board and the PIB board from the processor board. See “Remove the fan board” on page 111 “Remove the PIB” on page 242. Step 4. (Optional) If you are going to replace the system I/O board, remove the firmware and RoT security module from the system I/O board.
  • Page 328 Follow instructions in this section to install the system I/O board. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 329 Figure 300. Installing the system I/O board onto the processor board Align the system I/O board with the connector on the processor board, and use both hands to push the system I/O board and slightly insert it into the connector. Note: To prevent the contact of the system I/O board from damage, ensure that the system I/ O board is aligned correctly with the connector on the processor board, and remains as horizontal as possible during the insertion.
  • Page 330 8. Power on the server and any peripheral devices. See “Power on the server” on page 9. Reset the UEFI password if you set the password before. See “Reset the UEFI password” on page 321. ThinkSystem SR655 V3 User Guide...
  • Page 331 About this task Important: • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification. • When removing the memory modules, label the slot number on each memory module, remove all the memory modules from the processor board, and set them aside on a static-protective surface for reinstallation.
  • Page 332 Procedure Step 1. Make preparation for this task. Record all system configuration information, such as Lenovo XClarity Controller IP addresses, vital product data, and the machine type, model number, serial number, Universally Unique Identifier, and asset tag of the server.
  • Page 333 Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack.
  • Page 334 2. Install the cover on the processor socket of the removed processor board. • If you plan to recycle the component, see “Disassemble the system board assembly for recycle” on page 541. Demo video Watch the procedure on YouTube ThinkSystem SR655 V3 User Guide...
  • Page 335 Follow instructions in this section to install the processor board. About this task Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.
  • Page 336 “Update the Vital Product Data (VPD)” on page 326. Machine type number and serial number can be found on the ID label, see “Identify the server and access the Lenovo XClarity Controller” on page Demo video Watch the procedure on YouTube Update the Vital Product Data (VPD) Use this topic to update the Vital Product Data (VPD).
  • Page 337 • Lenovo XClarity Essentials OneCLI commands Using Lenovo XClarity Provisioning Manager Steps: 1. Start the server and press the key according to the on-screen instructions. The Lenovo XClarity Provisioning Manager interface is displayed by default. 2. Click on the top right corner of the Lenovo XClarity Provisioning Manager main interface.
  • Page 338 Follow instructions in this section to remove a system fan. About this task S033 CAUTION: Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with metal, which might result in spattered metal, burns, or both. ThinkSystem SR655 V3 User Guide...
  • Page 339 S017 CAUTION: Hazardous moving fan blades nearby. Keep fingers and other body parts away. Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
  • Page 340 Position the system fan above the system fan cage. The system fan connector on the bottom of the system fan should face the rear of the chassis. Press the system fan straight down until it is seated into place. ThinkSystem SR655 V3 User Guide...
  • Page 341 Figure 306. Installing the system fan After you finish Complete the parts replacement. See “Complete the parts replacement” on page 342. Demo video Watch the procedure on YouTube Chapter 5 Hardware replacement procedures...
  • Page 342 “Remove a system fan” on page 328. Note: If you are removing the system fan cage to access other components, you can remove it with the system fans installed. Step 4. Remove the system fan cage. ThinkSystem SR655 V3 User Guide...
  • Page 343 Figure 307. Removing the system fan cage Rotate the levers of the system fan cage to the rear of the server. Lift the system fan cage straight up and out of the chassis. After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 344 “Remove a serial port module” on page 334 • “Install a serial port module” on page 337 Remove a serial port module Follow instructions in this section to remove a serial port module. About this task ThinkSystem SR655 V3 User Guide...
  • Page 345 Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely. • Power off the server and peripheral devices and disconnect the power cords and all external cables. See “Power off the server” on page •...
  • Page 346 Slide the serial port module out of the riser bracket. Step 6. (Optional) If you need to replace the serial port bracket, use a 5 mm wrench to disassemble the serial port cable from the bracket. Figure 312. Disassembling the serial port module ThinkSystem SR655 V3 User Guide...
  • Page 347 After you finish 1. Install a new serial port module, a PCIe adapter, or a filler to cover the place. See “Install a serial port module” on page 337 “Install a rear riser assembly” on page 236. 2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.
  • Page 348 Note: If the Serial over LAN (SOL) or Emergency Management Services (EMS) feature is enabled, the serial port will be hidden on Linux and Microsoft Windows. Therefore, it is required to disable SOL and EMS to use the serial port on operating systems for serial devices. • For Linux: ThinkSystem SR655 V3 User Guide...
  • Page 349 Open the ipmitool and enter the following command to disable the Serial over LAN (SOL) feature: -I lanplus -H IP -U USERID -P PASSW0RD sol deactivate • For Microsoft Windows: a. Open the ipmitool and enter the following command to disable the SOL feature: -I lanplus -H IP -U USERID -P PASSW0RD sol deactivate b.
  • Page 350 After you finish If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Demo video ThinkSystem SR655 V3 User Guide...
  • Page 351 Watch the procedure on YouTube Install the top cover Follow instructions in this section to install the top cover. About this task Attention: • Read “Installation Guidelines” on page 47 “Safety inspection checklist” on page 48 to ensure that you work safely.
  • Page 352 • Update the UEFI configuration. See https://pubs.lenovo.com/uefi-overview/ • Reconfigure the disk arrays if you have installed or removed a hot-swap drive or a RAID adapter. See for the LXPM documentation compatible with your server. https://pubs.lenovo.com/lxpm-overview/ ThinkSystem SR655 V3 User Guide...
  • Page 353 – Signal cables that connect front backplanes and PCIe connectors 1/2 on the processor board – Signal cables that connect rear backplanes or riser 3 and PCIe connectors 1/2/3/4 on the processor board – Fan board power cable and signal cables © Copyright Lenovo 2023, 2024...
  • Page 354 2. Remove the cable connectors vertically or horizontally in alignment with the orientations of the corresponding cable sockets, avoiding any tilt. Note: The cable connectors might look different from those in the illustration, but the removal procedure is the same. ThinkSystem SR655 V3 User Guide...
  • Page 355 Identifying connectors See this section to locate and identify the connectors on the electric boards. • “Drive backplane connectors” on page 345 For the connectors on system board assembly, see “System-board-assembly connectors” on page Drive backplane connectors See this section to locate the connectors in the drive backplanes. The server supports the following backplanes depending on server configurations: •...
  • Page 356 Figure 321. Connectors on 24 x 2.5-inch SAS/SATA expander backplane Power connector 2 SAS 0 connector Power connector 1 SAS 1 connector 8 x 3.5-inch SAS/SATA front backplane Figure 322. 8 x 3.5-inch SAS/SATA backplane connectors SAS 1 connector SAS 0 connector Power connector ThinkSystem SR655 V3 User Guide...
  • Page 357 12 x 3.5-inch SAS/SATA front backplane Figure 323. 12 x 3.5-inch SAS/SATA backplane connectors SAS 2 connector SAS 1 connector SAS 0 connector Power connector 1 Power connector 2 12 x 3.5-inch SAS/SATA expander backplane Figure 324. Connectors on 12 x 3.5-inch SAS/SATA expander backplane SAS 0 connector SAS 1 connector Power connector...
  • Page 358 4 x 3.5-inch SAS/SATA middle/rear backplane Figure 328. 4 x 3.5-inch SAS/SATA backplane connectors Power connector SAS connector 2 x 3.5-inch SAS/SATA rear backplane Figure 329. 2 x 3.5-inch SAS/SATA backplane connectors Power connector SAS connector ThinkSystem SR655 V3 User Guide...
  • Page 359 8 x 2.5-inch SAS/SATA rear backplane Figure 330. 8x2.5-inch SAS/SATA backplane connectors SAS 1 connector Power connector SAS 0 connector 4 x 2.5-inch AnyBay rear backplane Figure 331. 4 x 2.5-inch AnyBay backplane connectors NVMe 2-3 connector Power connector NVMe 0-1 connector SAS connector Chapter 6 Internal cable routing...
  • Page 360 Figure 332. Cable routing for the front VGA connector and external diagnostics connector From VGA cable VGA connector on the system board assembly External diagnostics cable External LCD connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 361 7mm drive backplanes This topic provides cable routing information for the 7mm drive backplanes. The server supports one of the following 7mm drive backplanes: • “7mm non-RAID SATA/NVMe 2-Bay backplanes” on page 351 • “7mm RAID NVMe 2-bay backplanes” on page 354 •...
  • Page 362 Figure 334. NVMe cable routing for 7mm drive backplanes From 7mm backplane power connector 7mm power connector on the system board assembly 7mm backplane signal connector 7mm signal connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 363 Figure 335. RAID cable routing for 7mm drive backplanes From 7mm backplane power connector 7mm power connector on the system board assembly 7mm backplane signal connector Riser 1 RAID adapter Chapter 6 Internal cable routing...
  • Page 364 7mm RAID NVMe 2-bay backplanes Figure 336. Cable routing for 7mm drive backplanes From 7mm backplane power connector 7mm power connector on the system board assembly 7mm backplane signal connector 7mm signal connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 365 7mm RAID SATA/NVMe 2-bay backplanes Figure 337. Cable routing for 7mm drive backplanes From 7mm backplane power connector 7mm power connector on the system board assembly 7mm backplane signal connector 7mm signal connector on the system board assembly Chapter 6 Internal cable routing...
  • Page 366 Note: For better cable arrangement, it is required to install the hoses and liquid detection sensor module to a designated holder, and make sure that the module is secured in holder clips. Use the illustration below or “Install the Lenovo Neptune Processor Direct Water Cooling Module” on page 151 for details.
  • Page 367 Figure 339. Direct water cooling module cable routing From Leak detection cable Leak detection connector Chapter 6 Internal cable routing...
  • Page 368 “Install the rack latches” on page 263. Figure 340. Cable routing for the front I/O module on the right rack latch From Front panel and USB cable Front I/O connector and front USB connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 369 Figure 341. Cable routing for the integrated diagnostics panel on the media bay From Front USB cable Front USB connector on the system board assembly Front panel cable Front I/O connector on the system board assembly Chapter 6 Internal cable routing...
  • Page 370 Note: If you need to install an M.2 backplane on the GPU air baffle, refer to below illustration for cable routing on the air baffle. Route the GPU power cable from riser 2 beneath the M.2 backplane holder to the GPU power connector on the GPU adapter. ThinkSystem SR655 V3 User Guide...
  • Page 371 Chapter 6 Internal cable routing...
  • Page 372 Intrusion switch This topic provides cable routing information for the intrusion switch. Figure 343. Intrusion switch cable routing From Intrusion switch cable Intrusion switch connector on the fan board ThinkSystem SR655 V3 User Guide...
  • Page 373 M.2 drive backplane This topic provides cable routing information for the M.2 drive backplane. Based on different drive types, the M.2 drive backplanes differ. Thus cables, connector layout and the cable routing are also different. The server supports the following M.2 drive backplanes (enablement kits): “ThinkSystem M.2 SATA/NVMe 2-Bay Enablement Kit”...
  • Page 374 ThinkSystem M.2 SATA/NVMe 2-Bay Enablement Kit Figure 344. NVMe cable routing for M.2 drive backplane From M.2 drive backplane: power and signal connectors M.2 power and signal connectors on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 375 Figure 345. SATA cable routing for M.2 drive backplane From M.2 drive backplane: power and signal connectors M.2 power and PCIe 8 connectors on the system board assembly Chapter 6 Internal cable routing...
  • Page 376 Figure 346. RAID cable routing for M.2 drive backplane From M.2 drive backplane: power and signal connectors M.2 power connector on the system board assembly, and riser 1 RAID adapter ThinkSystem SR655 V3 User Guide...
  • Page 377 ThinkSystem M.2 SATA/x4 NVMe 2-Bay Enablement Kit Figure 347. SATA/NVMe cable routing for M.2 drive backplane From M.2 power cable M.2 power connector on the system board assembly M.2 signal cable PCIe connector 8 on the system board assembly Chapter 6 Internal cable routing...
  • Page 378 Figure 348. RAID cable routing for M.2 drive backplane From M.2 power cable M.2 power connector on the system board assembly M.2 signal cable Riser 1 RAID adapter ThinkSystem SR655 V3 User Guide...
  • Page 379 ThinkSystem M.2 NVMe 2-Bay RAID Enablement Kit Figure 349. Cable routing for M.2 drive backplane From M.2 drive backplane: power and signal connectors M.2 power and signal connectors on the system board assembly Chapter 6 Internal cable routing...
  • Page 380 ThinkSystem M.2 RAID B540i-2i SATA/NVMe Enablement Kit Figure 350. Cable routing for M.2 drive backplane From M.2 drive backplane: power and signal connectors M.2 power and signal connectors on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 381 Cable routing for M.2 drive backplane (when 7mm backplane used) Figure 351. Cable routing for M.2 drive backplane (when 7mm backplane used) From M.2 drive backplane: power and signal connectors M.2 power and PCIe 8 connectors on the system board assembly, and signal connector on 7mm backplane Chapter 6 Internal cable routing...
  • Page 382 Figure 352. Cable routing for M.2 drive backplane (in 12x3.5 SAS/SATA config) From M.2 drive backplane: power and signal connectors M.2 power and PCIe 8 connectors on the system board assembly, and SAS 2 connector on 12 x 3.5 SAS/SATA backplane ThinkSystem SR655 V3 User Guide...
  • Page 383 Management NIC adapter This topic provides cable routing information for the ThinkSystem V3 Management NIC Adapter Kit (management NIC adapter). Figure 353. Cable routing for the management NIC adapter From Management NIC adapter Second management Ethernet connector on the system board assembly Chapter 6 Internal cable routing...
  • Page 384 Front OCP interposer card: PWR Rear OCP interposer card: PWR Front OCP interposer card: F-SWIFT Rear OCP interposer card: R-SWIFT Front OCP interposer card: MCIO 1 Onboard: PCIe 1 Front OCP interposer card: MCIO 2 Onboard: PCIe 2 ThinkSystem SR655 V3 User Guide...
  • Page 385 RAID flash power module This topic provides cable routing information for the RAID flash power module (also called supercap). Figure 355. Cable routing for RAID flash power module An extension cable is provided for each RAID flash power module for cable connection. Connect the cable from the RAID flash power module to the corresponding RAID adapter as shown.
  • Page 386 From RAID flash power module Supercap connector on the RAID adapter ThinkSystem SR655 V3 User Guide...
  • Page 387 Riser 3 This topic provides cable routing information for the riser 3. Riser 3 power and sideband connection (Gen 4/Gen 5) The power and sideband connections for x8/x8 PCIe riser 3 and x16/x16 PCIe riser 3 are the same. Figure 356. Riser 3 power and sideband connection (Gen4/Gen5) From Riser 3 power connector Riser 3 power connector on the system board...
  • Page 388 Figure 358. Riser 3 (x8/x8 Gen 5) signal cable routing From From Riser 3: MCIO 1, 2 Onboard: PCIe 3, 4 Riser 3: MCIO 1 Onboard: PCIe 3 Riser 3: MCIO 3, 4 Onboard: PCIe 1, 2 Riser 3: MCIO 3 Onboard: PCIe 2 ThinkSystem SR655 V3 User Guide...
  • Page 389 Riser 3 (Gen 4) signal cable routing Figure 359. Riser 3 (x16/x16 Gen 4) signal cable routing Figure 360. Riser 3 (x8/x8 Gen 4) signal cable routing From From Riser 3: MCIO 1 Onboard: PCIe 1 Riser 3: MCIO 1 Onboard: PCIe 1 Riser 3: MCIO 2 Onboard: PCIe 4...
  • Page 390 Figure 361. Riser 3/4 power and sideband connection From Riser 3 and riser 4 power connectors Riser 3 power connector on the system board assembly Riser 3 and riser 4 sideband connectors Riser 3 sideband connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 391 Figure 362. Riser 3/4 signal connection From Riser 3: J2 Onboard: PCIe 1 Riser 3: J4 Onboard: PCIe 2 Riser 4: J2 Onboard: PCIe 3 Riser 4: J4 Onboard: PCIe 4 Chapter 6 Internal cable routing...
  • Page 392 Riser 5: EXP PWR Onboard: EXP PWR Riser 5: MCIO 3 Onboard: PCIe 8 Riser 5: MCIO 4 Onboard: PCIe 7 Riser 5: MCIO 1 Onboard: PCIe 4 Riser 5: MCIO 2 Onboard: PCIe 3 ThinkSystem SR655 V3 User Guide...
  • Page 393 Connections between the processor board and fan board This section provides connection information for the processor board and fan board. Figure 364. Connections between the processor board and fan board From Fan power connector on the fan board Fan power connector on the processor board Sideband connector on the fan board Fan sideband connector on the processor board Chapter 6...
  • Page 394 PCIe 3 Connector • PCIe 7 Connector • PCIe 8 Connector Power cable connections For the 2.5-inch drive bay chassis, the following backplanes are supported and connect the power cables for the supported drive backplanes as illustrated. ThinkSystem SR655 V3 User Guide...
  • Page 395 Table 27. Supported backplanes Front drive backplane Middle drive backplane Rear drive backplane • 8 x 2.5-inch SAS/SATA backplane • 4 x 2.5-inch SAS/SATA backplane • 4 x 2.5-inch SAS/SATA backplane • 8 x 2.5-inch AnyBay backplane • 4 x 2.5-inch NVMe backplane •...
  • Page 396 Figure 366. Power cable connections for 24 x 2.5-inch SAS/SATA expander drive backplane From Backplane: PWR 1 Backplane 1 power connector on the system board assembly Backplane: PWR 2 Backplane 3 power connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 397 Figure 367. Power cable connection for middle drive backplane From Power connector on the backplane Middle backplane power connector on the system board assembly Note: The illustration above shows the power cable connection for using two middle drive backplanes. Power cable connection for using one middle drive backplane is similar.
  • Page 398 “One 8 x SAS/SATA and one 8 x AnyBay backplanes” on page 406 • “Two 8 x AnyBay backplanes” on page 411 • “Two 8 x SAS/SATA + one 8x AnyBay backplanes” on page 415 ThinkSystem SR655 V3 User Guide...
  • Page 399 • “Three 8 x SAS/SATA backplanes” on page 420 • “Three 8 x AnyBay backplanes” on page 443 • “One 24 x2.5-inch SAS/SATA expander backplane” on page 449 Chapter 6 Internal cable routing...
  • Page 400 “Onboard connectors” on page 390 • “8i/16i RAID/HBA adapter” on page 391 Onboard connectors The following shows the cable connections for the 8 x 2.5-inch SAS/SATA configuration with onboard connectors. ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 401 Figure 369. SAS/SATA cable routing to onboard SATA connectors From Backplane 1: SAS Onboard: SATA 0 8i/16i RAID/HBA adapter The following shows the cable connections for the 8 x 2.5-inch SAS/SATA configuration with one 8i/16i RAID/HBA adapter. ↔ ↔ ↔ ↔...
  • Page 402 This section provides cable routing information for configuration (one 8 x 2.5-inch SAS/SATA front drive backplane) with one CFF 16i RAID/HBA adapter. CFF 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 403 Figure 371. Signal cable routing From BP 1: SAS CFF adapter: C0, C1 CFF adapter: power Onboard: CFF RAID PWR CFF adapter: INPUT Onboard: PCIe 8 Chapter 6 Internal cable routing...
  • Page 404 “8i/16i RAID/HBA adapter” on page 399 8i/16i RAID/HBA adapter The following shows the cable connections for the 8 x 2.5-inch AnyBay configuration with one 8i/16i RAID/ HBA adapter. ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 405 SAS/SATA cable routing Figure 372. SAS/SATA cable routing to 8i/16i RAID/HBA adapter From Backplane 1: SAS 8i/16i adapter • Gen 4: C0 • Gen 3: C0C1 Chapter 6 Internal cable routing...
  • Page 406 “Backplanes: server models with 2.5-inch front drive bays” on page 384. To connect signal cables for the backplane(s), refer to the following cable routing scenarios depending on your server configuration. • “8i/16i RAID/HBA adapter” on page 399 ThinkSystem SR655 V3 User Guide...
  • Page 407 • “Onboard connector” on page 397 Onboard connector The following shows the cable connections for the 6 x 2.5-inch SAS/SATA + 2 x 2.5 NVMe configuration with onboard connectors. ↔ ↔ ↔ ↔ Connections between connectors: , ... SAS/SATA cable routing Figure 374.
  • Page 408 NVMe cable routing Figure 375. Cable routing when one processor installed From Backplane 1: NVMe 6-7 Onboard: PCIe 1 ThinkSystem SR655 V3 User Guide...
  • Page 409 Onboard connectors (support riser 3) Figure 376. Onboard connectors (support riser 3) From Front backplane: SAS Onboard: PCIe 7 Front backplane: NVMe 6-7 Onboard: PCIe 8 8i/16i RAID/HBA adapter The following shows the cable connections for the 6 x 2.5-inch SAS/SATA + 2 x 2.5 NVMe configuration with one 8i/16i RAID/HBA adapter.
  • Page 410 SAS/SATA cable routing Figure 377. SAS/SATA cable routing to 8i/16i RAID/HBA adapter From Backplane 1: SAS 8i/16i adapter • Gen 4: C0 • Gen 3: C0C1 ThinkSystem SR655 V3 User Guide...
  • Page 411 NVMe cable routing Figure 378. Cable routing when one processor installed From Backplane 1: NVMe 6-7 Onboard: PCIe 1 Chapter 6 Internal cable routing...
  • Page 412 “Onboard connectors” on page 402 • “16i RAID/HBA adapter” on page 403 Onboard connectors The following shows the cable connections for the 16 x 2.5-inch SAS/SATA configuration with onboard connectors. ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 413 Figure 379. SAS/SATA cable routing to onboard SATA connectors From Backplane 1: SAS Onboard: SATA 0 Backplane 2: SAS Onboard: SATA 1 16i RAID/HBA adapter The following shows the cable connections for the 16 x 2.5-inch SAS/SATA configuration with one 16i RAID/ HBA adapter.
  • Page 414 This section provides cable routing information for configuration (two 8 x 2.5-inch SAS/SATA front drive backplanes) with one CFF 16i RAID/HBA adapter. CFF 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 415 Figure 381. Signal cable routing From BP 1: SAS CFF adapter: C0, C1 BP 2: SAS CFF adapter: C2, C3 CFF adapter: INPUT Onboard: PCIe 8 CFF adapter: power Onboard: CFF RAID PWR Chapter 6 Internal cable routing...
  • Page 416 “Onboard connectors + 16i RAID/HBA adapter” on page 408 Onboard connectors The following shows the cable connections for the 8 SAS/SATA + 8 AnyBay configuration with onboard connectors. ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 417 SAS/SATA cable routing Figure 382. SAS/SATA cable routing to onboard connectors From Backplane 1: SAS Onboard: SATA 0 Backplane 2: SAS Onboard: SATA 1 Chapter 6 Internal cable routing...
  • Page 418 Onboard connectors + 16i RAID/HBA adapter The following shows the cable connections for the 8 SAS/SATA + 8 AnyBay configuration with onboard connectors and one 16i RAID/HBA adapter. ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 419 SAS/SATA cable routing Figure 384. SAS/SATA cable routing to 16i adapter From Backplane 1: SAS 16i adapter • Gen 4: C0 • Gen 3: C0C1 Backplane 2: SAS 16i adapter • Gen 4: C1 • Gen 3: C2C3 Chapter 6 Internal cable routing...
  • Page 420 NVMe cable routing Figure 385. NVMe cable routing to onboard connectors From Backplane 2: NVMe 0-1, 2-3 Onboard: PCIe 1, 2 Backplane 2: NVMe 4-5, 6-7 Onboard: PCIe 3, 4 ThinkSystem SR655 V3 User Guide...
  • Page 421 Two 8 x AnyBay backplanes This section provides cable routing information for the server model with two 8 x 2.5-inch AnyBay front drive backplanes. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 2.5-inch front drive bays”...
  • Page 422 This section provides cable routing information for configuration (two 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors and one retimer card. Onboard connectors and one retimer card ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 423 Figure 387. Signal cable routing From BP 1: NVMe 0-1, 2-3 Onboard: PCIe 1, 2 BP 1: NVMe 4-5, 6-7 Onboard: PCIe 3, 4 BP 2: NVMe 0-1, 2-3 Onboard: PCIe 7, 8 BP 2: NVMe 4-5, 6-7 Retimer card: C0C1 Onboard connectors + 8i RAID/HBA adapter + Retimer card This section provides cable routing information for configuration (two 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors, one 8i RAID/HBA adapter and one retimer card.
  • Page 424 BP 1: NVMe 4-5, 6-7 Onboard: PCIe 3, 4 BP 2: NVMe 0-1, 2-3 Onboard: PCIe 7, 8 BP 2: NVMe 4-5, 6-7 Retimer card: C0C1 BP 1: SAS 8i adapter: • Gen 4: C0 • Gen 3: C0C1 ThinkSystem SR655 V3 User Guide...
  • Page 425 Two 8 x SAS/SATA + one 8x AnyBay backplanes This section provides cable routing information for the server model with two 8 x 2.5-inch SAS/SATA and one 8 x 2.5-inch AnyBay front drive backplanes. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 2.5-inch front drive bays”...
  • Page 426 This section provides cable routing information for configuration (two 8 x 2.5-inch SAS/SATA and one 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors and one 16i RAID/HBA adapter. Onboard connectors and one 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 427 Figure 393. Signal cable routing part 1 Figure 394. Signal cable routing part 2 From From BP 1: SAS 16i adapter: BP 3: NVMe 0-1, 2-3 Onboard: PCIe 1, 2 • Gen 4: C0 • Gen 3: C0C1 16i adapter: BP 3: NVMe 4-5, 6-7 BP 2: SAS Onboard: PCIe 3, 4...
  • Page 428 This section provides cable routing information for configuration (two 8 x 2.5-inch SAS/SATA and one 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors and two 16i RAID/HBA adapters. Onboard connectors and two 16i RAID/HBA adapters ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 429 Figure 397. Signal cable routing part 1 Figure 398. Signal cable routing part 2 From From BP 1: SAS 16i adapter: BP 3: NVMe 0-1, 2-3 Onboard: PCIe 1, 2 • Gen 4: C0 • Gen 3: C0C1 16i adapter: BP 3: NVMe 4-5, 6-7 BP 2: SAS Onboard: PCIe 3, 4...
  • Page 430 32i RAID/HBA adapter This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes) with one 32i RAID/HBA adapter. 32i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 431 Figure 399. Signal cable routing From BP 1: SAS 32i adapter: C0 BP 2: SAS 32i adapter: C1 BP 3: SAS 32i adapter: C2 16i and 8i RAID/HBA adapters This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes) with one 16i and one 8i RAID/HBA adapter.
  • Page 432 Three 8i RAID/HBA adapters This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes) with three 8i RAID/HBA adapters. Three 8i RAID/HBA adapters ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 433 Figure 401. Signal cable routing From BP 1: SAS 8i adapter: • Gen 4: C0 • Gen 3: C0C1 BP 2: SAS 8i adapter: • Gen 4: C0 • Gen 3: C0C1 8i adapter: BP 3: SAS • Gen 4: C0 •...
  • Page 434 This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes and one 4 x 2.5-inch SAS/SATA rear drive backplane) with one CFF 16i RAID/HBA adapter and one CFF expander. ThinkSystem SR655 V3 User Guide...
  • Page 435 CFF 16i RAID/HBA adapter and CFF expander ↔ ↔ ↔ ↔ Connections between connectors: , ... Figure 403. Signal cable routing part 1 Figure 404. Signal cable routing part 2 From From BP 1: SAS CFF expander: C0 CFF adapter: INPUT Onboard: PCIe 8 BP 2: SAS CFF expander: C1...
  • Page 436 “Onboard connectors + 32i RAID/HBA adapter” on page 427 • “Onboard connectors + CFF 16i RAID/HBA adapter + CFF expander” on page 427 • “Onboard connectors + 8i/16i RAID/HBA adapter + CFF expander” on page 429 ThinkSystem SR655 V3 User Guide...
  • Page 437 Onboard connectors + 32i RAID/HBA adapter This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes and one 4 x 2.5-inch AnyBay rear drive backplane) with onboard connectors and one 32i RAID/ HBA adapter. Onboard connectors and 32i RAID/HBA adapter ↔...
  • Page 438 Onboard connectors, one CFF 16i RAID/HBA adapter and one CFF expander ↔ ↔ ↔ ↔ Connections between connectors: , ... Figure 407. Signal cable routing for onboard connectors From Rear backplane: NVMe 0-1 and NVMe 2-3 Onboard: PCIe 1 and PCIe 2 ThinkSystem SR655 V3 User Guide...
  • Page 439 Figure 408. Signal cable routing for CFF expander Figure 409. Signal cable routing for CFF adapter From From BP 1: SAS CFF expander: C0 CFF adapter: INPUT Onboard: PCIe 8 BP 2: SAS CFF expander: C1 CFF adapter: PWR Onboard: CFF RAID BP 3: SAS CFF expander: C2 Onboard: CFF EXP PWR...
  • Page 440 This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes and one 8 x 2.5-inch SAS/SATA rear drive backplane) with one 32i RAID/HBA adapter. 32i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 441 Figure 412. Signal cable routing From BP 1: SAS 32i adapter: C0 BP 2: SAS 32i adapter: C1 BP 3: SAS 32i adapter: C2 Rear backplane: SAS 0, SAS 1 32i adapter: C3 Two 16i RAID/HBA adapters This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes and one 8 x 2.5-inch SAS/SATA rear drive backplane) with two 16i RAID/HBA adapters.
  • Page 442 8 x 2.5-inch SAS/SATA rear drive backplane) with one CFF 16i RAID/HBA adapter and one CFF expander. CFF 16i RAID/HBA adapter and CFF expander ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 443 Figure 414. Signal cable routing part 1 Figure 415. Signal cable routing part 2 From From BP 1: SAS CFF expander: C0 CFF adapter: INPUT Onboard: PCIe 8 BP 2: SAS CFF expander: C1 CFF adapter: PWR Onboard: CFF RAID BP 3: SAS CFF expander: C2 Onboard: CFF EXP PWR...
  • Page 444 This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes and one 4x 2.5-inch SAS/SATA middle drive backplane) with one 32i RAID/HBA adapter or two 16i RAID/HBA adapters. 32i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 445 Note: The illustration below uses one 32i RAID/HBA adapter as an example, and cable routing for using two 16i RAID/HBA adapters is similar. Figure 417. Signal cable routing From BP 1: SAS • 32i adapter: C0 • Gen 3 16i adapter: C0C1 •...
  • Page 446 32i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... Note: The illustration below uses one 32i RAID/HBA adapter as an example, and cable routing for using two 16i RAID/HBA adapters is similar. ThinkSystem SR655 V3 User Guide...
  • Page 447 Figure 418. Signal cable routing From BP 1: SAS • 32i adapter: C0 • Gen 3 16i adapter: C0C1 • Gen 4 16i adapter: C0 BP 2: SAS • 32i adapter: C1 • Gen 3 16i adapter: C2C3 • Gen 4 16i adapter: C1 BP 3: SAS •...
  • Page 448 Figure 419. Signal cable routing From BP 1: SAS 32i adapter: C0 BP 2: SAS 32i adapter: C1 BP 3: SAS 32i adapter: C2 Rear backplane: SAS 32i adapter: C3 Middle backplanes: SAS 8i adapter: C0 ThinkSystem SR655 V3 User Guide...
  • Page 449 CFF 8i/16i RAID/HBA adapter + CFF expander This section provides cable routing information for configuration (three 8 x 2.5-inch SAS/SATA front drive backplanes, two 4 x 2.5-inch SAS/SATA middle drive backplanes and one 4 x 2.5-inch SAS/SATA rear drive backplane) with one CFF 8i/16i RAID/HBA adapter and one CFF expander. CFF 8i/16i RAID/HBA adapter and CFF expander ↔...
  • Page 450 4 x 2.5-inch SAS/SATA middle drive backplanes and one 8 x 2.5-inch SAS/SATA rear drive backplane) with one CFF 16i RAID adapter and one CFF expander. CFF 16i RAID adapter and CFF expander ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 451 Figure 423. Signal cable routing part 1 Figure 424. Signal cable routing part 2 From From BP 1: SAS CFF expander: C0 CFF adapter: INPUT Onboard: PCIe 8 BP 2: SAS CFF expander: C1 CFF adapter: PWR Onboard: CFF RAID BP 3: SAS CFF expander: C2 BP 4: SAS 0...
  • Page 452 CFF expander: INPUT • Gen 4: C0 • Gen 3: C0C1 BP 5 and BP 6: SAS CFF expander: C3 BP 4: SAS 0, SAS 1 16i adapter: • Gen 4: C1 • Gen 3: C2C3 ThinkSystem SR655 V3 User Guide...
  • Page 453 Three 8 x AnyBay backplanes This section provides cable routing information for the server model with three 8 x 2.5-inch AnyBay front drive backplanes. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 2.5-inch front drive bays”...
  • Page 454 Three 8i RAID adapters (support Tri-mode) This section provides cable routing information for configuration (three 8 x 2.5-inch AnyBay front drive backplanes) with three 8i RAID adapters. Three 8i RAID adapters ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 455 Figure 427. Signal cable routing From BP 1: SAS 8i adapter: C0 BP 2: SAS 8i adapter: C0 BP 3: SAS 8i adapter: C0 Onboard connectors + three Retimer cards This section provides cable routing information for configuration (three 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors and three retimer cards.
  • Page 456 This section provides cable routing information for configuration (three 8 x 2.5-inch AnyBay front drive backplanes) with onboard connectors, three retimer cards and one 8i RAID/HBA adapter. Onboard connectors, three Retimer cards and one 8i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 457 Figure 429. Signal cable routing From BP 1: NVMe 0-1, 2-3 Onbard: PCIe 1, 2 BP 1: SAS 8i adapter: • Gen 4: C0 • Gen 3: C0C1 BP 1: NVMe 4-5, 6-7 Onbard: PCIe 3, 4 BP 2: NVMe 0-1, 2-3 Onbard: PCIe 7, 8 BP 2: NVMe 4-5, 6-7 Retimer card: C0C1 (slot 4)
  • Page 458 BP 5: NVMe 0-1, 2-3 Switch card: C0C1 (slot BP 2: NVMe 0-1, 2-3 Onboard: PCIe 7, 8 BP 6: NVMe 0-1, 2-3 Switch card: C2C3 (slot BP 2: NVMe 4-5, 6-7 Retimer card: C0C1 ThinkSystem SR655 V3 User Guide...
  • Page 459 One 24 x2.5-inch SAS/SATA expander backplane This section provides cable routing information for the server model with one 24 x2.5-inch SAS/SATA expander front drive backplane. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 2.5-inch front drive bays”...
  • Page 460 This section provides cable routing information for configuration (one 24 x2.5-inch SAS/SATA expander front drive backplane and one 4 x2.5-inch SAS/SATA rear drive backplane) with one 8i RAID/HBA adapter. 8i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 461 Figure 433. Signal cable routing From 8i adapter: Front backplane: SAS 0 • Gen 4: C0 • Cen 3: C0C1 Front backplane: SAS 1 Rear backplane: SAS Front + rear backplanes: One 24 x 2.5 SAS/SATA expander + one 4 x 2.5 AnyBay This section provides cable routing information for configuration (one 24 x 2.5-inch SAS/SATA expander front drive backplane and one 4 x 2.5-inch AnyBay rear drive backplane) with one 8i RAID/HBA adapter.
  • Page 462 This section provides cable routing information for configuration (one 24 x2.5-inch SAS/SATA expander front drive backplane and one 8 x2.5-inch SAS/SATA rear drive backplane) with one 16i RAID/HBA adapter. 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 463 Figure 435. Signal cable routing From Front backplane: SAS 0 16i adapter: • Gen 4: C0 • Cen 3: C0C1 Rear backplane: SAS 0 and SAS 1 16i adapter: • Gen 4: C1 • Cen 3: C2C3 Chapter 6 Internal cable routing...
  • Page 464 PCIe 3 Connector • PCIe 7 Connector • PCIe 8 Connector Power cable connections For the 3.5-inch drive bay chassis, the following backplanes are supported and connect the power cables for the supported drive backplanes as illustrated. ThinkSystem SR655 V3 User Guide...
  • Page 465 Table 28. Supported backplanes Front drive backplane Middle drive backplane Rear drive backplane • 8 x 3.5-inch SAS/SATA backplane • 4 x 2.5-inch SAS/SATA backplane • 2 x 3.5-inch SAS/SATA backplane • 12 x 3.5-inch SAS/SATA • 4 x 2.5-inch NVMe backplane •...
  • Page 466 Figure 437. Power cable routing for the 12 x 3.5-inch SAS/SATA and AnyBay drive backplane From Power connector 1 on the backplane Backplane 1 power connector on the system board assembly Power connector 2 on the backplane Backplane 2 power connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 467 Figure 438. Power cable routing for the 12 x 3.5-inch SAS/SATA expander front drive backplane From Power connector on the backplane Backplane 1 power connector on the system board assembly Chapter 6 Internal cable routing...
  • Page 468 Figure 439. Power cable routing for the 2 x 3.5-inch and 4 x 2.5-inch rear drive backplane From Power connector on the backplane Rear backplane power connector and sideband connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 469 Figure 440. Power cable routing for the 4 x 3.5-inch rear drive backplane From Power connector on the backplane Rear backplane power connector and sideband connector on the system board assembly Chapter 6 Internal cable routing...
  • Page 470 Figure 441. Power cable routing for one 4 x 2.5-inch or 4 x 3.5-inch middle drive backplane From Power connector on the backplane Middle backplane power connector on the system board assembly ThinkSystem SR655 V3 User Guide...
  • Page 471 Figure 442. Power cable routing two 4 x 2.5-inch middle drive backplanes From Power connectors on the backplanes Middle backplane power connector on the system board assembly Signal cable connections Refer to the specific topic for signal cable connections depending on the backplane installed. •...
  • Page 472 “8i RAID/HBA adapter” on page 463 Onboard connectors This section provides cable routing information for configuration (8 x 3.5-inch SAS/SATA front drive backplane) with onboard connectors. Onboard connectors ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 473 Figure 443. Signal cable routing From Front backplane: SAS 0 and SAS 1 Onboard: PCIe 7 8i RAID/HBA adapter This section provides cable routing information for configuration (8 x 3.5-inch SAS/SATA front drive backplane) with one 8i RAID/HBA adapter. 8i RAID/HBA adapter ↔...
  • Page 474 Figure 444. Signal cable routing From Front backplane: SAS 0 and SAS 1 8i adapter: • Gen 4: C0 • Gen 3: C0C1 ThinkSystem SR655 V3 User Guide...
  • Page 475 12 x 3.5-inch AnyBay backplane This section provides cable routing information for the server model with the 12 x 3.5-inch AnyBay front drive backplane. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 3.5-inch front drive bays”...
  • Page 476 This section provides cable routing information for configuration (12 x 3.5-inch AnyBay front drive backplane) with onboard connectors and one 8i RAID/HBA adapter. Onboard connectors and one 8i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 477 Figure 446. Signal cable routing Figure 447. Signal cable routing (support riser 3) From From Front backplane: NVMe Onboard: PCIe 1, 2 Front backplane: NVMe Onboard: PCIe 7, 8 8-9, 10-11 8-9, 10-11 Front backplane: SAS 0, 8i adapter: Front backplane: SAS 0, 8i adapter: SAS 1 •...
  • Page 478 • Gen 3: C0C1 • Gen 3: C0C1 Front back plane: SAS 2 16i adapter: Front back plane: SAS 2 16i adapter: • Gen 4: C1 • Gen 4: C1 • Gen 3: C2 • Gen 3: C2 ThinkSystem SR655 V3 User Guide...
  • Page 479 12 x 3.5-inch SAS/SATA backplane This section provides cable routing information for the server model with the 12 x 3.5-inch SAS/SATA front drive backplane. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 3.5-inch front drive bays”...
  • Page 480 Figure 450. Cable routing for the 12 x 3.5-inch SAS/SATA configuration with onboard connectors From Backplane 1: SAS 0, SAS 1 Onboard: SATA 0 Backplane 1: SAS 2 Onboard: SATA 1 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 481 Figure 451. Cable routing for the 12 x 3.5-inch SAS/SATA configuration with one 16i RAID/HBA adapter From Backplane 1: SAS 0, SAS 1 16i adapter • Gen 4: C0 • Gen 3: C0C1 Backplane 1: SAS 2 16i adapter • Gen 4: C1 •...
  • Page 482 This section provides cable routing information for configuration (12 x 3.5-inch SAS/SATA expander front drive backplane and 2 x 3.5-inch SAS/SATA rear drive backplane) with one 16i RAID/HBA adapter. 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 483 Figure 453. Signal cable routing From 16i adapter: Front backplane: SAS 0, SAS 1 • Gen 4: C0 • Gen 3: C0C1 Front backplane: SAS 2 and rear backplane SAS 16i adapter: • Gen 4: C1 • Gen 3: C2C3 Front + rear backplanes: 12 x 3.5-inch SAS/SATA + 4 x 3.5-inch SAS/SATA This section provides cable routing information for the server model with one 12 x 3.5-inch SAS/SATA front drive backplane and one 4 x 3.5-inch SAS/SATA rear drive backplane.
  • Page 484 This section provides cable routing information for configuration (12 x 3.5-inch SAS/SATA front drive backplane and 4 x 3.5-inch SAS/SATA rear drive backplane) with onboard connectors and one 940-8i adapter. Onboard connectors + 940-8i adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 485 Figure 455. Signal cable routing From Front backplane: SAS 0, SAS 1 Onboard: PCIe 7 Front backplane: SAS 2 Onboard: PCIe 8 Rear backplane: SAS 8i adapter: C0 16i RAID/HBA adapter This section provides cable routing information for configuration (12 x 3.5-inch SAS/SATA front drive backplane and 4 x 3.5-inch SAS/SATA rear drive backplane) with one 16i RAID/HBA adapter.
  • Page 486 This section provides cable routing information for configuration (12 x 3.5-inch SAS/SATA front drive backplane and 4 x 2.5-inch AnyBay rear drive backplane) with onboard connectors and one 16i RAID/HBA adapter. Onboard connectors and one 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 487 Figure 457. Signal cable routing From Front backplane: SAS 0, SAS 1 16i adapter: • Gen 4: C0 • Gen 3: C0C1 16i adapter: Front backplane SAS 2 and rear backplane SAS • Gen 4: C1 • Gen 3: C2C3 Onboard: PCIe 1, 2 Rear backplane: NVMe 0-1, 2-3 Front + middle backplanes: 12 x 3.5-inch SAS/SATA + 4 x 2.5/4 x 3.5-inch SAS/SATA...
  • Page 488 This section provides cable routing information for configuration (one 12 x 3.5-inch SAS/SATA front drive backplane and two 4 x 2.5-inch NVMe/AnyBay rear drive backplanes) with onboard connectors and one 16i RAID/HBA adapter. Onboard connectors and 16i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 489 Figure 459. Signal cable routing From Backplane 5: NVMe 0-1, 2-3 Onboard: PCIe 1, 2 Backplane 6: NVMe 0-1, 2-3 Onboard: PCIe 3, 4 16i adapter: Front backplane: SAS 0, SAS 1 • Gen 4: C0 • Gen 3: C0C1 Front backplane: SAS 2 16i adapter: •...
  • Page 490 Figure 460. Signal cable routing From Front backplane: SAS 0, SAS 1 32i adapter: C0 Front backplane SAS 2 and rear backplane SAS 32i adapter: C1 Middle backplane: SAS 32i adapter: C2 ThinkSystem SR655 V3 User Guide...
  • Page 491 12 x 3.5-inch SAS/SATA expander backplane This section provides cable routing information for the server model with the 12 x 3.5-inch SAS/SATA expander front drive backplane. To connect power cables for the front backplane(s), refer to “Backplanes: server models with 3.5-inch front drive bays”...
  • Page 492 This section provides cable routing information for configuration (one 12 x 3.5-inch SAS/SATA expander front drive backplane and one 2 x 3.5-inch SAS/SATA rear drive backplane) with one 8i RAID/HBA adapter. 8i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 493 Figure 462. Signal cable routing From 8i adapter: Front backplane: SAS 0 • Gen 4: C0 • Gen 3: C0C1 Front backplane: SAS 1 Rear backplane: SAS Front + rear backplanes: 12 x 3.5-inch SAS/SATA expander + 4 x 2.5-inch AnyBay This section provides cable routing information for configuration (one 12 x 3.5-inch SAS/SATA expander front drive backplane and one 4 x 2.5-inch AnyBay rear drive backplane) with one 8i RAID/HBA adapter.
  • Page 494 This section provides cable routing information for configuration (one 12 x 3.5-inch SAS/SATA expander front drive backplane and one 4 x 3.5-inch SAS/SATA rear drive backplane) with one 8i RAID/HBA adapter. 8i RAID/HBA adapter ↔ ↔ ↔ ↔ Connections between connectors: , ... ThinkSystem SR655 V3 User Guide...
  • Page 495 Figure 464. Signal cable routing From 8i adapter: Front backplane: SAS 0 • Gen 4: C0 • Gen 3: C0C1 Front backplane: SAS 1 Rear backplane: SAS Front + middle + rear backplanes: 12 x 3.5-inch SAS/SATA expander + 4 x 3.5-inch SAS/SATA + 4 x 3.5-inch SAS/SATA This section provides cable routing information for configuration (one 12 x 3.5-inch SAS/SATA expander front drive backplane, one 4 x 3.5-inch SAS/SATA middle drive backplane, and one 4 x 3.5-inch SAS/SATA...
  • Page 496 From Front backplane: SAS 0 16i adapter: • Gen 4: C0 • Gen 3: C0C1 16i adapter: Middle backplane: SAS • Gen 4: C1 • Gen 3: C2 Rear backplane: SAS Front backplane: SAS 1 ThinkSystem SR655 V3 User Guide...
  • Page 497 The following methods are available to set the network connection for the Lenovo XClarity Controller if you are not using DHCP: • If a monitor is attached to the server, you can use Lenovo XClarity Provisioning Manager to set the network connection.
  • Page 498 ID button. To connect using the Lenovo XClarity Administrator Mobile app: 1. Connect the USB cable of your mobile device to the Lenovo XClarity Controller USB connector on the server. 2. On your mobile device, enable USB tethering.
  • Page 499 Enterprise Server (SLES) operating system distributions. Machine-type-specific firmware-only Update Bundles (Service Packs) are also available. Firmware updating tools See the following table to determine the best Lenovo tool to use for installing and setting up the firmware: Chapter 7 System configuration...
  • Page 500 (BoMC) Off-Target In-band All I/O √ √ √ √ Lenovo XClarity devices Administrator Out-of- (LXCA) band Off-Target Out-of- Selected I/ √ √ Lenovo XClarity band O devices Integrator (LXCI) for VMware vCenter Off-Target ThinkSystem SR655 V3 User Guide...
  • Page 501 • Lenovo XClarity Controller If you need to install a specific update, you can use the Lenovo XClarity Controller interface for a specific server. Notes: – To perform an in-band update through Windows or Linux, the operating system driver must be installed and the Ethernet-over-USB (sometimes called LAN over USB) interface must be enabled.
  • Page 502 – If you update firmware through the Lenovo XClarity Controller, make sure that you have downloaded and installed the latest device drivers for the operating system that is running on the server. For additional information about using Lenovo XClarity Controller to update firmware, see: “Updating Server Firmware”...
  • Page 503 In addition, you can choose to make the text-based interface the default interface that is displayed when you start LXPM. To do this, go to Lenovo XClarity Provisioning Manager ➙ UEFI Setup ➙ System Settings ➙ <F1>Start Control ➙ Text Setup. To start the server with Graphic User Interface, select Auto or Tool Suite.
  • Page 504 OS logical drives or volumes. An introduction to RAID is available at the following Lenovo Press website: https://lenovopress.lenovo.com/lp0578-lenovo-raid-introduction Detailed information about RAID management tools and resources is available at the following Lenovo Press website: https://lenovopress.lenovo.com/lp0579-lenovo-raid-management-tools-and-resources Deploy the operating system Several options are available to deploy an operating system on the server.
  • Page 505 Make sure that you create backups for the following server components: • Management processor You can back up the management processor configuration through the Lenovo XClarity Controller interface. For details about backing up the management processor configuration, see: “Backing up the BMC configuration” section in the XCC documentation compatible with your server at https://pubs.lenovo.com/lxcc-overview/...
  • Page 506 ThinkSystem SR655 V3 User Guide...
  • Page 507 An alert is a message or other indication that signals an event or an impending event. Alerts are generated by the Lenovo XClarity Controller or by UEFI in the servers. These alerts are stored in the Lenovo XClarity Controller Event Log.If the server is managed by the Lenovo XClarity Administrator, alerts are automatically forwarded to this management application.
  • Page 508 The Lenovo XClarity Controller monitors all components of the server and posts events in the Lenovo XClarity Controller event log. Figure 466. Lenovo XClarity Controller event log For more information about accessing the Lenovo XClarity Controller event log, see: “Viewing Event Logs” section in the XCC documentation compatible with your server at https:// pubs.lenovo.com/lxcc-overview/...
  • Page 509 • “Front operator panel LEDs” on page 499 • “External diagnostics handset” on page 506 • “XCC system management port LEDs” on page 512 • “Power supply LEDs” on page 513 • “System-board-assembly LEDs” on page 515 • “LEDs on the firmware and RoT security module” on page 517 Drive LEDs This topic provides information on drive LEDs.
  • Page 510 The server is disconnected from the network. Note: If the network activity LED is off when an OCP module is installed, check the network ports in the rear of your server to determine which port is disconnected. ThinkSystem SR655 V3 User Guide...
  • Page 511 ID button, the state of the system ID LED changes. The LED can be changed to on, blinking, or off. You can also use the Lenovo XClarity Controller or a remote management program to change the state of the system ID LED to assist in visually locating the server among other servers.
  • Page 512 Press the select button to select from the options in the menu. Options flow diagram The LCD panel displays various system information. Navigate through the options with the scroll keys. Depending on the model, the options and entries on the LCD display might be different. ThinkSystem SR655 V3 User Guide...
  • Page 513 Full menu list Following is the list of options available on the diagnostics panel/handset. Switch between an option and the subordinate information entries with the select button, and switch among options or information entries with the scroll buttons. Depending on the model, the options and entries on the LCD display might be different. Chapter 8 Problem determination...
  • Page 514 • Possible sources of the error CPU 1 Status: Configuration Error System VPD Information Sub Menu Example Machine Type: xxxx • Machine type and serial number Serial Num: xxxxxx • Universal Unique ID (UUID) Universal Unique ID: xxxxxxxxxxxxxxxxxxxxxxxxxxxx ThinkSystem SR655 V3 User Guide...
  • Page 515 System Firmware Sub Menu Example XCC Primary XCC Primary (Active) • Firmware level (status) Build: DVI399T • Build ID Version: 4.07 • Version number Date: 2020-04-07 • Release date XCC Backup XCC Backup (Active) • Firmware level (status) Build: D8BT05I •...
  • Page 516 Note: The external diagnostics handset is an optional part that needs to be purchased separately. • “Location of the external diagnostics handset” on page 507 • “Diagnostics panel overview” on page 507 • “Options flow diagram” on page 509 • “Full menu list” on page 510 ThinkSystem SR655 V3 User Guide...
  • Page 517 Location of the external diagnostics handset Description Location The external diagnostics handset is connected to the External diagnostics handset server with an external cable. Magnetic bottom With this component, the diagnostics handset can be attached to the top or side of the rack with hands spared for service tasks.
  • Page 518 LCD display Scroll buttons (up/down/left/right) Press the scroll buttons to locate and select system information. Select button Press the select button to select from the options in the menu. ThinkSystem SR655 V3 User Guide...
  • Page 519 Options flow diagram The LCD panel displays various system information. Navigate through the options with the scroll keys. Depending on the model, the options and entries on the LCD display might be different. Chapter 8 Problem determination...
  • Page 520 • Possible sources of the error CPU 1 Status: Configuration Error System VPD Information Sub Menu Example Machine Type: xxxx • Machine type and serial number Serial Num: xxxxxx • Universal Unique ID (UUID) Universal Unique ID: xxxxxxxxxxxxxxxxxxxxxxxxxxxx ThinkSystem SR655 V3 User Guide...
  • Page 521 System Firmware Sub Menu Example XCC Primary XCC Primary (Active) • Firmware level (status) Build: DVI399T • Build ID Version: 4.07 • Version number Date: 2020-04-07 • Release date XCC Backup XCC Backup (Active) • Firmware level (status) Build: D8BT05I •...
  • Page 522 This topic provides information on LEDs of XCC system management port (10/100/1000 Mbps RJ-45). The following table describes the problems that are indicated by LEDs on XCC system management port (10/ 100/1000 Mbps RJ-45). Figure 470. XCC system management port (10/100/1000 Mbps RJ-45) LEDs ThinkSystem SR655 V3 User Guide...
  • Page 523 Description Ethernet port Use this green LED to distinguish the network connectivity status: link LED • Off: The network link is disconnected. • Green: The network link is established. Ethernet port Use this green LED to distinguish the network activity status: activity LED •...
  • Page 524 • Green: The server is on and the power supply is working normally. Zero-output mode can be disabled via Setup Utility or Lenovo XClarity Controller web interface. If you disable zero-output mode, both power supplies will be in the active state.
  • Page 525 System-board-assembly LEDs The following illustration shows the light-emitting diodes (LEDs) on the system board assembly that contains the system I/O board and processor board. Figure 472. System-board-assembly LEDs Table 29. System-board-assembly LEDs Description Action System error LED LED on: An error has occurred. Check system logs or internal error LEDs to identify the (yellow) failed part.
  • Page 526 RoT security module are installed correctly. (Trained technician only) Reinstall them if needed. 3. If the problem remains, contact Lenovo Support. FPGA heartbeat The FPGA heartbeat LED helps If the FPGA heartbeat LED is always off or always on, do LED (green) you identify the FPGA status.
  • Page 527 3. (Trained technician only) If the problem remains, available at: YouTube capture FFDC log, and replace the processor board. 4. If the problem still remains, contact Lenovo Support. DIMM error LEDs LED on: an error has occurred to For more information, see “Memory problems”...
  • Page 528 Note: For locations of the FPGA LED and XCC heartbeat LED, see “System-board-assembly LEDs” on page 515. LED on the liquid detection sensor module This topic provides information about the LED on the liquid detection sensor module. ThinkSystem SR655 V3 User Guide...
  • Page 529 • Any external devices. • Surge-suppressor device (on the server). • Printer, mouse, and non-Lenovo devices. • Each adapter. • Hard disk drives. • Memory modules until you reach the minimal configuration for debugging that is supported for the server.
  • Page 530 • The Ethernet link status LED is lit when the Ethernet controller receives a link indication from the switch. If the LED is off, there might be a defective connector or cable or a problem with the switch. ThinkSystem SR655 V3 User Guide...
  • Page 531 • The Ethernet transmit/receive activity LED is lit when the Ethernet controller sends or receives data over the Ethernet network. If the Ethernet transmit/receive activity is off, make sure that the hub and network are operating and that the correct device drivers are installed. Step 5.
  • Page 532 Use this information to find solutions to problems that have identifiable symptoms. To use the symptom-based troubleshooting information in this section, complete the following steps: 1. Check the event log of Lenovo XClarity Controller and follow the suggested actions to resolve any event codes.
  • Page 533 The event logs shown with the parameter sel elist – Ext Liquid Leak ‫ ׀‬FDh ‫ ׀‬ok ‫׀‬ ‫׀‬ 30.1 Transition to Critical from less severe The status of all sensors can be fetched with the parameter . If coolant leakage happens, the sdr elist log above will show up.
  • Page 534 6. If the fan error follows with a specific fan module after swapping, replace the fan module. 7. If the fan error follows with a specific fan slot after swapping, replace the fan board. 8. If the fan error follows with a specific fan cable after swapping, replace the fan cable. ThinkSystem SR655 V3 User Guide...
  • Page 535 (For more information, see the “Startup” section in the LXPM documentation compatible with your server at .) Then, click System Settings https://pubs.lenovo.com/lxpm-overview/ ➙ Devices and I/O Ports ➙ USB Configuration. b. Connect the device to another port. If using a USB hub, remove the hub and connect the device directly to the server.
  • Page 536 497 for information about viewing the event log. If you are using Linux base operating system, capture all logs back to Lenovo support for further investigation. Keyboard, mouse, KVM switch or USB-device problems Use this information to solve problems related to a keyboard, mouse, KVM switch or USB-device problems.
  • Page 537 (trained technician only). 4. Run the memory module diagnostics. When you start a server and press the key according to the on- screen instructions, the Lenovo XClarity Provisioning Manager interface is displayed by default. From Chapter 8...
  • Page 538 5. Run the memory module diagnostics. When you start a server and press the key according to the on- screen instructions, the Lenovo XClarity Provisioning Manager interface is displayed by default. You can perform memory diagnostics from this interface. From the Diagnostic page, click Run Diagnostic ➙...
  • Page 539 3. If the server is installed with the graphical adapters while turning on the server, the Lenovo logo is displayed on the screen after approximately 3 minutes. This is normal operation while the system loads. 4. Make sure that: • The server is turned on and there is power supplied to the server.
  • Page 540 If the system hangs during the UEFI boot process with the message UEFI: DXE INIT on the display, make sure that Option ROMs were not configured with a setting of Legacy. You can remotely view the current settings for Option ROMs by running the following command using the Lenovo XClarity Essentials OneCLI: onecli config show EnableDisableAdapterOptionROMSupport --bmc xcc_userid:xcc_password@xcc_ipaddress...
  • Page 541 3. (Trained technician only) Make sure that processor 1 is seated correctly. 4. (Trained technician only) Remove processor 2 and restart the server. 5. Replace the following components one at a time, in the order shown, restarting the server each time: a.
  • Page 542 Complete the following steps until the problem is solved. 1. An unusual smell might be coming from newly installed equipment. 2. If the problem remains, contact Lenovo Support. Server seems to be running hot Complete the following steps until the problem is solved.
  • Page 543 • “Insufficient PCIe resources are detected.” on page 533 • “A Lenovo optional device that was just installed does not work.” on page 534 • “A Lenovo optional device that worked previously does not work now” on page 534 External USB device is not recognized Complete the following steps until the problem is resolved: 1.
  • Page 544 4. DC cycle the system and ensure the system is enter UEFI boot menu or the operating system; then, capture the FFDC log. 5. Contact Lenovo technical support. A Lenovo optional device that was just installed does not work. 1. Make sure that: • The device is supported for the server (see https://serverproven.lenovo.com...
  • Page 545 7. Limit the inter-processor communication by using parameters such as interrupt affinity and NUMA settings. 8. Follow the instructions of adapter-specific tuning guides provided by the adapter manufacturer. Operating system performance Complete the following steps until the problem is solved: 1.
  • Page 546 6. If everything is still done and the issue cannot be resolved, please collect the failure information with system logs captured to Lenovo support. Server does not power on Complete the following steps until the problem is resolved: 1. Check the event log for any events related to the server not powering on.
  • Page 547 3. Replace the following components: a. Failing serial device. b. Serial cable. 4. If the problem remains, contact Lenovo Support. Software problems Use this information to solve software problems. 1. To determine whether the problem is caused by the software, make sure that: •...
  • Page 548 5. Reseat the backplane power cable and repeat steps 1 through 3. 6. Reseat the backplane signal cable and repeat steps 1 through 3. 7. Suspect the backplane signal cable or the backplane: • Replace the affected backplane signal cable. • Replace the affected backplane. ThinkSystem SR655 V3 User Guide...
  • Page 549 Multiple drives fail Complete the following steps until the problem is solved: • View the Lenovo XClarity Controller event log for events related to power supplies or vibration issues and resolve those events. • Make sure that the device drivers and firmware for the drive and server are at the latest level.
  • Page 550 2. In the window that is displayed, click the icon next to Backplane. 3. In the dialog box that is displayed, select the target drive slots and click Apply. 4. Do a DC power cycle to make the setting take effect. ThinkSystem SR655 V3 User Guide...
  • Page 551 Remove the screws that secure the system I/O board. Lift and hold the rear lift handle and slide the system I/O board towards the rear to disengage it from the processor board. Step 4. Remove the screws from the processor board as illustrated. © Copyright Lenovo 2023, 2024...
  • Page 552 Hex wrench Step 5. Remove the following components from the processor board. • Cable wall brackets Figure 479. Removing components from the processor board Step 6. Separate the processor board from the supporting sheet metal. ThinkSystem SR655 V3 User Guide...
  • Page 553 Figure 480. Separating the processor board from the supporting sheet metal After you finish After disassembling the system board assembly, recycle the units in compliance with local regulations. Appendix A. Hardware disassembling for recycle...
  • Page 554 ThinkSystem SR655 V3 User Guide...
  • Page 555 Appendix B. Getting help and technical assistance If you need help, service, or technical assistance or just want more information about Lenovo products, you will find a wide variety of sources available from Lenovo to assist you. On the World Wide Web, up-to-date information about Lenovo systems, optional devices, services, and support are available at: http://datacentersupport.lenovo.com...
  • Page 556 Collecting service data To clearly identify the root cause of a server issue or at the request of Lenovo Support, you might need collect service data that can be used for further analysis. Service data includes information such as event logs and hardware inventory.
  • Page 557 Support when certain serviceable events occur in Lenovo XClarity Administrator and the managed endpoints. You can choose to send diagnostic files to Lenovo Support using Call Home or to another service provider using SFTP. You can also manually collect diagnostic files, open a problem record, and send diagnostic files to the Lenovo Support.
  • Page 558 ThinkSystem SR655 V3 User Guide...
  • Page 559 ThinkSystem Heavy Duty Full Depth Rack Cabinets User Guide. Support websites This section provides driver and firmware downloads and support resources. Support and downloads • Drivers and Software download website for ThinkSystem SR655 V3 – https://datacentersupport.lenovo.com/products/servers/thinksystem/sr655v3/7d9e/downloads/driver-list/ • Lenovo Data Center Forum –...
  • Page 560 – https://serverproven.lenovo.com • Operating System Installation Instructions – https://pubs.lenovo.com/thinksystem#os-installation • Submit an eTicket (service request) – https://support.lenovo.com/servicerequest • Subscribe to Lenovo Data Center Group product notifications (Stay up to date on firmware updates) – https://datacentersupport.lenovo.com/solutions/ht509500 ThinkSystem SR655 V3 User Guide...
  • Page 561 Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 562 (TBW). A device that has exceeded this limit might fail to respond to system-generated commands or might be incapable of being written to. Lenovo is not responsible for replacement of a device that has exceeded its maximum guaranteed number of program/erase cycles, as documented in the Official Published Specifications for the device.
  • Page 563 Taiwan Region BSMI RoHS declaration Taiwan Region import and export contact information Contacts are available for Taiwan Region import and export information. Appendix D. Notices...
  • Page 564 ThinkSystem SR655 V3 User Guide...

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