Page 1 ThinkSystem SR850 Setup Guide Machine Types: 7X18 and 7X19...
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 Twenty-seventh Edition (November 2022) ©...
Page 3: Table Of Contents
2.5-inch drive backplanes ... Set the network connection for the Lenovo XClarity Controller ....115 RAID adapters .
Page 4 ThinkSystem SR850 Setup Guide...
Page 5: Safety
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 2017, 2022...
Page 6: Safety Inspection Checklist
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 7 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 8 ThinkSystem SR850 Setup Guide...
Page 9: Chapter 1. Introduction
When you receive your server, verify that the shipment contains everything that you expected to receive. The server package includes the following items: Note: Some of the items listed are available on select models only. • Server © Copyright Lenovo 2017, 2022...
Page 10: Features
The Lenovo XClarity Controller consolidates multiple management functions in a single chip on the server system board. Some of the features that are unique to the Lenovo XClarity Controller are enhanced performance, higher- resolution remote video, and expanded security options. For additional information about the Lenovo XClarity Controller, refer to the XCC documentation compatible with your server at: https://pubs.lenovo.com/lxcc-overview/...
Page 11: Specifications
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 12 Table 1. Specifications, Type 7X18 and 7X19 Specification Description Dimension 2U server • Height: 86.5 mm (3.4 inches) • Width: – With rack handles: 482 mm (19.0 inches) – Without rack handles: 444.6 mm (17.5 inches) • Depth: 763.7 mm (30.1 inches) Note: The depth is measured with rack handles installed, but without the security bezel installed.
Page 13 • Slot 10: PCI Express 3.0 x8 (supports RAID adapters for SATA/SAS drives) • Slot 11: PCI Express 3.0 x16 (supports PCIe switch card) Integrated functions • Lenovo XClarity Controller (XCC), which provides service processor control and monitoring functions, video controller, and remote keyboard, video, mouse, and remote drive capabilities.
Page 14 Table 1. Specifications, Type 7X18 and 7X19 (continued) Electrical input This server comes with three types of power supply units: • 750-watt platinum power supply – Input power 115V or 220V ac • 1100-watt platinum power supply – Input power 115V or 220V ac •...
Page 15: Particulate Contamination
Table 1. Specifications, Type 7X18 and 7X19 (continued) Environment ThinkSystem SR850 complies with ASHRAE Class A2 specifications. Depending on the hardware configuration, some models comply with ASHRAE Class A3 and Class A4 specifications. System performance may be impacted when operating temperature is outside ASHRAE A2 specification.
Page 16: Management Options
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 on implementation of appropriate remedial measures to mitigate such environmental contamination.
Page 17 Consolidates the service processor functionality, Super I/O, video controller, and remote presence capabilities into a single chip on the server system board. Interface • CLI application Lenovo XClarity Controller • Web GUI interface • Mobile application • REST API Usage and downloads https://pubs.lenovo.com/lxcc-overview/...
Page 18 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 19 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 20 ThinkSystem SR850 Setup Guide...
Page 21: Chapter 2. Server Components
Use the information in this section to learn about each of the components associated with your server. Identifying your server When you contact Lenovo for help, the machine type, model, and serial number information help support technicians to identify your server and provide faster service.
Page 22 Identification button/LED (blue) Drive status LED (yellow) System error LED (yellow) Pull-out information tab Front operator panel with optional pull-out LCD display USB 1 (USB 2.0 with Lenovo XClarity Controller Rack release latches management) 2.5-inch drive bays USB 2 Power button/LED (green) VGA connector (optional): Connect a monitor to this connector.
Page 23 Controller mobile application. When a mobile device is connected to this USB port, an Ethernet over USB connection is established between the mobile application running on the device and the XClarity Controller. Select Network in BMC Configuration to view or modify USB 2.0 with Lenovo XClarity Controller management settings. Four types of settings are available: –...
Page 24: Front Operator Panel
Identification button/LED (blue) Use this blue LED to visually locate the server among other servers. This LED is also used as a presence detection button. You can use Lenovo XClarity Administrator to light this LED remotely. System error LED (yellow) When this yellow LED is lit, it indicates that a system error has occurred.
Page 25 Your front operator panel may come with a LCD display, which is accessible with a pull on the latch on the right of the front operator panel. Figure 7. Front operator panel and LCD display The LCD system information display panel attached to the front of the server allows quick access to system status, firmware, network, and health information.
Page 26 Figure 9. System information on LCD display panel Table 6. System information display panel of front operator panel System name (SR850) Checkpoint code Temperature (blinking in turns with System status Power consumption (blinking in turns with The option menu UI flow on the LCD display is illustrated as following. Figure 10.
Page 27 Table 7. Options available on the front operator panel Option Description System error System error provides the total number of errors the system encountered, and the description of these errors. The information is displayed as following: System Has Encountered X Errors Whereas X is the total number of system errors encountered.
Page 28 Table 7. Options available on the front operator panel (continued) XCC network information XCC Network information provides the following XCC related network information: • XCC hostname is displayed as following: XCC Hostname: XCC-NNNN • XCC shared or extension MAC address is displayed as following: XCC Dedicated MAC: XX:XX:XX:XX:XX:XX •...
Page 29: Rear View
Table 7. Options available on the front operator panel (continued) Actions Actions provides the following available actions, which come in effect by pressing and holding on the select button for three seconds: • Restore XCC default settings is displayed as following: RESTORE XCC DEFAULTS? HOLD v FOR 3s •...
Page 30 Table 8. Components on the server rear view (continued) LOM adapter (slot 7) USB 4 (USB 3.0) AC power LED (green) USB 3 (USB 3.0) DC power LED (green) Serial connector Power supply error LED (yellow) VGA connector Power supply unit 2 XClarity Controller network connector Power supply unit 1 NMI button...
Page 31 Insert LOM adapter into this slot (see “System-board connectors” in ThinkSystem SR850 Maintenance Manual for the location of the LOM adapter slot on the system board and “LOM adapter replacement” in ThinkSystem SR850 Maintenance Manual for information about the installation of the LOM adapter). AC power LED: Each hot-swap power supply comes with an ac power LED and a dc power LED.
Page 32: Optional Processor And Memory Expansion Tray
Use this connector to manage the server, by using a dedicated management network. If you use this connector, the Lenovo XClarity Controller cannot be accessed directly from the production network. A dedicated management network provides additional security by physically separating the management network traffic from the production network.
Page 33 Table 9. Components on the optional processor and memory expansion tray Power supply 2 connector DIMM slot 31-42 Tray handle Processor 3 DIMM slot 43-48 DIMM slot 25-30 Processor 4 Figure 13. LEDs on the optional processor and memory expansion tray Table 10.
Page 34 Table 11. Connectors on the optional processor and memory expansion tray NVMe signal cable connector 0-1 NVMe signal cable connector 2-3 ThinkSystem SR850 Setup Guide...
Page 35: Pcie Riser-Cards
PCIe riser-cards Use this information to locate the connectors on the optional PCIe riser-cards. x8/x8/x8 PCIe FH Riser Assembly Figure 15. x8/x8/x8 PCIe FH Riser Assembly Table 12. Components of x8/x8/x8 PCIe FH Riser Assembly PCIe full-height riser cage PCI Express 3.0 x8 (slot 4) PCI Express 3.0 x8 (slot 3) PCI Express 3.0 x8 (slot 5) x8/x8/x8ML2 PCIe FH Riser Assembly...
Page 36: 2.5-Inch Drive Backplanes
x8/x16ML2 PCIe FH Riser Assembly Figure 17. x8/x16ML2 PCIe FH Riser Assembly Table 14. Components of x8/x16ML2 PCIe FH Riser Assembly PCIe full-height riser cage Customized slot for ML2 adapter (slot 5) PCI Express 3.0 x8 (slot 3) 2.5-inch drive backplanes Use this information to locate the connectors on the optional 2.5-inch drive backplanes.
Page 37: Raid Adapters
2.5-inch AnyBay (SATA/SAS/NVMe) 8-bay backplane Figure 19. 2.5-inch AnyBay (SATA/SAS/NVMe) 8-bay backplane Table 16. Connectors on 2.5-inch AnyBay (SATA/SAS/NVMe) 8-bay backplane NVMe connector 3 SATA/SAS connector 1 NVMe connector 2 SATA/SAS connector 0 NVMe connector 1 Power/configuration cable connector NVMe connector 0 Cable numbering labels 2.5-inch AnyBay (SATA/SAS/NVMe) 8-bay backplane comes with: •...
Page 38: Internal Cable Routing
Figure 21. Connectors on SATA/SAS RAID adapter (16i) Table 18. SATA/SAS RAID adapter (16i) SATA/SAS RAID adapter (16i) with four SATA/SAS connectors (C0, C1, C2, C3) Figure 22. Connectors on PCIe switch card Table 19. PCIe switch card PCIe switch card with four SATA/SAS connectors (C0, C1, C2, C3) Internal cable routing Use this information to do cable routing to complete installation of certain components.
Page 39 – “8-bay backplane + 8-bay backplane” on page 36 – “8-bay backplane + AnyBay backplane” on page 37 – Two processors installed – Four processors installed – “AnyBay backplane + AnyBay backplane” on page 41 – Two processors installed – Four processors installed Important: 1.
Page 40 Before starting cable routing for 2.5-inch drives: 1. Remove the fan cage assembly (see “Remove the fan cage assembly” on page 90). 2. Remove the system board air baffle (see “Remove the system board air baffle and the power interposer” on page 88) or the processor and memory expansion tray and the expansion tray air baffle (see “Remove...
Page 41 One 8-bay backplane Figure 26. Cable routing, 8-bay backplane Table 21. Cables and adapters for routing SATA/SAS RAID adapter (8i) SATA/SAS signal cables (720 mm) One AnyBay backplane Two processors installed Chapter 2 Server components...
Page 42 Figure 27. Cable routing, AnyBay backplane with two processors installed Table 22. Cables and adapters for routing PCIe switch card NVMe signal cables for PCIe switch card SATA/SAS RAID adapter (8i) SATA/SAS signal cables (720 mm) Four processors installed Note: Install the processor and memory expansion tray before connecting the signal cables to NVMe connectors on the expansion tray (see “Install the processor and memory expansion tray”...
Page 43 Figure 28. Cable routing, AnyBay backplane Table 23. Cables and adapters for routing Direct NVMe signal cables for processor and memory SATA/SAS RAID adapter (8i) expansion tray NVMe connectors on the processor and memory SATA/SAS signal cables (720 mm) expansion tray Chapter 2 Server components...
Page 44 Connecting signal cables to two backplanes When two backplanes are installed, see the following illustrations for cable routing. 8-bay backplane + 8-bay backplane Two options are available for this combination: 1. With SATA/SAS RAID adapter (16i) Figure 29. Cable routing, 8-bay backplane + 8-bay backplane Table 24.
Page 45 2. With SATA/SAS RAID adapter (8i) Figure 30. Cable routing, 8-bay backplane + 8-bay backplane Table 25. Cables and adapters for routing SATA/SAS RAID adapter (8i) SATA/SAS signal cables (720 mm) SATA/SAS RAID adapter (8i) SATA/SAS signal cables (720 mm) 8-bay backplane + AnyBay backplane Notes: •...
Page 46 Figure 31. Cable routing, 8-bay backplane + AnyBay backplane Table 26. Cables and adapters for routing SATA/SAS RAID adapter (16i) SATA/SAS signal cables (720 mm) PCIe switch card SATA/SAS signal cables (900 mm) NVMe signal cables for PCIe switch card ThinkSystem SR850 Setup Guide...
Page 47 2. With two SATA/SAS RAID adapters (8i) Figure 32. Cable routing, 8-bay backplane + AnyBay backplane Table 27. Cables and adapters for routing SATA/SAS RAID adapter (8i) SATA/SAS signal cables (720 mm) SATA/SAS RAID adapter (8i) NVMe signal cables for PCIe switch card PCIe switch card SATA/SAS signal cables (720 mm) Chapter 2...
Page 48 Four processors installed Two options are available for this combination: 1. With SATA/SAS RAID adapter (16i) Figure 33. Cable routing, 8-bay backplane + AnyBay backplane Table 28. Cables and adapters for routing SATA/SAS RAID adapter (16i) SATA/SAS signal cables (720 mm) NVMe connectors on the processor and memory SATA/SAS signal cables (900 mm) expansion tray...
Page 49 2. With SATA/SAS RAID adapter (8i) Figure 34. Cable routing, 8-bay backplane + AnyBay backplane Table 29. Cables and adapters for routing SATA/SAS RAID adapter (8i) Direct NVMe signal cables for processor and memory expansion tray NVMe connectors on the processor and memory SATA/SAS signal cables (720 mm) expansion tray SATA/SAS RAID adapter (8i)
Page 50 Figure 35. Cable routing, AnyBay backplane + AnyBay backplane Table 30. Cables and adapters for routing PCIe switch card NVMe signal cables for PCIe switch card SATA/SAS RAID adapter (16i) NVMe signal cables for PCIe switch card PCIe switch card SATA/SAS signal cables (720 mm) SATA/SAS signal cables (900 mm) 2.
Page 51 Figure 36. Cable routing, AnyBay backplane + AnyBay backplane Table 31. Cables and adapters for routing PCIe switch card SATA/SAS signal cables (720 mm) SATA/SAS RAID adapter (8i) NVMe signal cables for PCIe switch card SATA/SAS RAID adapter (8i) NVMe signal cables for PCIe switch card PCIe switch card SATA/SAS signal cables (720 mm) Chapter 2...
Page 52 Four processors installed Two options are available for this combination: Note: Install the processor and memory expansion tray before connecting the signal cables to NVMe connectors on the expansion tray (see “Install the processor and memory expansion tray” on page 107).
Page 53: Parts List
1. Go to and navigate to the support page for your server. http://datacentersupport.lenovo.com 2. Click Parts & Accessories ➙ Parts Lookup. 3. Enter either the serial number or the machine type model for your server to see the parts for your server.
Page 54 Figure 39. Server components The parts listed in the following table are identified as one of the following: ThinkSystem SR850 Setup Guide...
Page 55 Tier 1 CRU at your request with no service agreement, you will be charged for the installation. • 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.
Page 56 Table 34. Parts listing (continued) Index Description Tier 1 CRU Tier 2 CRU Consuma- ble and Structural part Security bezel √ Front VGA assembly √ Memory module √ DC Persistent Memory (DCPMM) √ Processor √ Heatsink √ 2.5-inch SATA/SAS 8-bay backplane √...
Page 57: Power Cords
Several power cords are available, depending on the country and region where the server is installed. To view the power cords that are available for the server: 1. Go to: http://dcsc.lenovo.com/#/ 2. Click Preconfigured Model or Configure to order. 3. Enter the machine type and model for your server to display the configurator page.
Page 58 ThinkSystem SR850 Setup Guide...
Page 59: Chapter 3. Server Hardware Setup
Validate that the server hardware was set up successfully. See “Validate server setup” on page 113. 3. Configure the system. a. Connect the Lenovo XClarity Controller to the management network. See “Set the network connection for the Lenovo XClarity Controller” on page 115.
Page 60: Installation Guidelines
• Read the safety information and guidelines to ensure your safety at work: – A complete list of safety information for all products is available at: https://pubs.lenovo.com/safety_documentation/ – The following guidelines are available as well: “Handling static-sensitive devices” on page 54 “Working inside the server with the power on”...
Page 61: System Reliability Guidelines
touch points on hot-swap components.) See the instructions for removing or installing a specific hot-swap component for any additional procedures that you might have to perform before you remove or install the component. • The Red strip on the drives, adjacent to the release latch, indicates that the drive can be hot-swapped if the server and operating system support hot-swap capability.
Page 62: Handling Static-Sensitive Devices
Note: List of supported memory module is different for 1st generation (Skylake) and 2nd generation (Cascade Lake) Intel Xeon processors. Make sure to install compatible memory modules to avoid system error. For a list of supported DIMMs, see: https://serverproven.lenovo.com/ The following memory configurations and population sequences are supported for the ThinkSystem SR850 server: •...
Page 63: Memory Module Installation Guideline
• “Memory mirroring mode” on page 65 – “Installation order: memory mirroring with two processors” on page 67 – “Installation order: memory mirroring with four processors” on page 68 • “Memory sparing mode” on page 70 – “Installation order: memory sparing with two processors” on page 73 –...
Page 64: Dram Dimm Installation Order
DRAM DIMM installation order This section contains information of how to install DRAM DIMMs properly. ThinkSystem SR850 Setup Guide...
Page 65 Independent memory mode In independent memory mode, memory channels can be populated with DIMMs in any order and you can populate all channels for each processor in any order with no matching requirements. Independent memory mode provides the highest level of memory performance, but lacks failover protection. The DIMM installation order for independent memory mode varies based on the number of processors and memory modules installed in the server.
Page 66 Figure 41. Processor and memory module layout: processor 3 and 4 Table 37. Processor and memory module layout: processor 3 and 4 Processor 3 DIMM 43-48 DIMM 31-42 DIMM 25-30 Processor 4 Table 38. Channel and slot information of DIMMs around a processor Slot Channel Channel 2...
Page 67 Chapter 3 Server hardware setup...
Page 68 Installation order: independent memory mode with two processors Memory module installation order for independent (non-mirroring) memory mode with two processors installed in the server. The following table shows the DIMM population sequence for independent memory mode when two processors are installed. •...
Page 69 Installation order: independent memory mode with four processors Memory module installation order for independent (non-mirroring) memory mode with four processors installed in the server. The following tables show the DIMM population sequence for independent memory mode when four processors are installed. •...
Page 70 Table 41. Independent mode with four processors (Processor 1 and 2, 25 to 48 total DIMMs installed in server) Total Processor 1 Processor 2 Total DIMMs 1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DIMMs 19 20 21 22 19 20 21 22 19 20 21 22...
Page 71 Table 42. Independent mode with four processors (Processor 3 and 4, 4 to 24 total DIMMs installed in server) Total Processor 3 Processor 4 Total DIMMs 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DIMMs Related DIMM population sequences for four processor systems: •...
Page 72 Table 43. Independent mode with four processors (processor 3 and 4, 25 to 48 total DIMMs installed in server) Total Processor 3 Processor 4 Total DIMMs 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DIMMs 31 32 33 34 31 32 33 34...
Page 73 Memory mirroring mode Memory-mirroring mode provides full memory redundancy while reducing the total system memory capacity in half. Memory channels are grouped in pairs with each channel receiving the same data. If a failure occurs, the memory controller switches from the DIMMs on the primary channel to the DIMMs on the backup channel.
Page 74 Table 44. Processor and memory module layout: processor 1 and 2 DIMM 1-6 DIMM 7-18 DIMM 19-24 Processor 1 Processor 2 Figure 43. Processor and memory module layout: processor 3 and 4 Table 45. Processor and memory module layout: processor 3 and 4 Processor 3 DIMM 43-48 DIMM 31-42...
Page 75 Installation order: memory mirroring with two processors Memory module installation order for memory mirroring with two processors installed in the server. The following table shows the DIMM population sequence for memory mirroring when two processors are installed. • Processors 1 and 2 are installed on the system board. Note: When adding one or more DIMMs during a memory upgrade, you might need to remove some DIMMs that are already installed to new locations.
Page 76 Installation order: memory mirroring with four processors Memory module installation order for memory mirroring with four processors installed in the server. The following tables show the DIMM population sequence for memory mirroring when four processors are installed. • Processors 1 and 2 are installed on the system board. •...
Page 77 Table 49. Memory mirroring with four processors (processor 3 and 4) Total Processor 3 Processor 4 Total DIMMs 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DIMMs 27 28 29 30 31 32 33 34 27 28 29 30...
Page 78 Memory sparing mode In memory-sparing mode, one memory rank serves as a spare for other ranks on the same channel in case they fail. The spare rank is held in reserve and not used as active memory until a failure is indicated, with reserved capacity subtracted from the total available memory in the system.The DIMM installation order for memory sparing varies based on the number of processors and memory modules installed in the server.
Page 79 Figure 45. Processor and memory module layout: processor 3 and 4 Table 51. Processor and memory module layout: processor 3 and 4 Processor 3 DIMM 43-48 DIMM 31-42 DIMM 25-30 Processor 4 Table 52. Channel and slot information of DIMMs around a processor Slot Channel Channel 2...
Page 80 ThinkSystem SR850 Setup Guide...
Page 81 Installation order: memory sparing with two processors Memory module installation order for memory sparing with two processors installed in the server. The following table shows the DIMM population sequence for memory sparing when two processors are installed. • Processors 1 and 2 are installed on the system board. Notes: 1.
Page 82 Installation order: memory sparing with four processors Memory module installation order for memory sparing with four processors installed in the server. The following tables show the DIMM population sequence for memory sparing when four processors are installed. • Processors 1 and 2 are installed on the system board. •...
Page 83: Dcpmm And Dram Dimm Installation Order
Table 55. Memory mirroring with four processors (processor 3 and 4) Total Processor 3 Processor 4 Total DIMMs 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DIMMs 31 32 43 44 31 32...
Page 84 • All the DRAM DIMMs that are installed must be of the same type, rank, and capacity with minimum capacity of 16 GB. It is recommended to use Lenovo DRAM DIMMs of the same part number. • 64 GB 3DS LRDIMMs are not supported to be mixed with DCPMMs.
Page 85 • All the DRAM DIMMs that are installed must be of the same type, rank, and capacity with minimum capacity of 16 GB. It is recommended to use Lenovo DRAM DIMMs of the same part number. 3. See “DCPMM and DRAM DIMM installation order” in Memory Population Reference to determine the new configuration, and acquire memory modules accordingly.
Page 86 App Direct Mode In this mode, DCPMMs act as independent and persistent memory resources directly accessible by specific applications, and DRAM DIMMs act as system memory. Installation order: App Direct Mode with two processors Memory module installation order for DCPMM App Direct Mode with two installed processors. Table 56.
Page 87 Table 58. Memory population in App Direct Mode with two processors (not interleaved only) • D: DRAM DIMMs with 16 GB or larger capacity • P: DC Persistent Memory Module (DCPMM) Processor 1 Processor 2 Configuration 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 DCPMM and 12 DIMMs...
Page 88 Installation order: App Direct Mode with four processors Memory module installation order for DCPMM App Direct Mode with four installed processors. Table 60. Memory population in App Direct Mode with four processors • D: DRAM DIMMs with 16 GB or larger capacity •...
Page 89 Table 62. Memory population in App Direct Mode with four processors (not interleaved only) • D: DRAM DIMMs with 16 GB or larger capacity • P: DC Persistent Memory Module (DCPMM) Processor 1 Processor 2 Configuration 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 DCPMM and 24 DIMMs...
Page 90 Memory Mode In this mode, DCPMMs act as volatile system memory, while DRAM DIMMs act as cache. Installation order: Memory Mode with two processors Memory module installation order for DCPMM Memory Mode with two installed processors. Table 64. Memory population in Memory Mode with two processors •...
Page 91 Installation order: Memory Mode with four processors Memory module installation order for DCPMM Memory Mode with four installed processors. Table 66. Memory population in Memory Mode with four processors • D1: DRAM DIMMs of 16 or 32 GB • D2: DRAM DIMMs of 32 GB or larger capacity •...
Page 92 Mixed Memory Mode In this mode, some percentage of DCPMM capacity is directly accessible to specific applications (App Direct), while the rest serves as system memory. The App Direct part of DCPMM is displayed as persistent memory, while the rest of DCPMM capacity is displayed as system memory. DRAM DIMMs act as cache in this mode.
Page 93: Install Server Hardware Options
Installation order: Mixed Memory Mode with four processors Memory module installation order for DCPMM Mixed Memory mode with four installed processors. Table 70. Memory population in Mixed Memory Mode with four processors • D: DRAM DIMMs of 16 GB or larger capacity Note: 3DS LRDIMMs are not supported in this mode.
Page 94: Remove The Security Bezel
• Make sure the components you are installing are supported by your server. For a list of supported optional components for the server, see https://serverproven.lenovo.com/ • Always download and apply the latest firmware. This will help ensure that any known issues are addressed, and that your server is ready to work with optimal performance.
Page 95: Remove The Top Cover
Figure 47. Security bezel removal Demo video Watch the procedure on YouTube Remove the top cover Follow the instructions in this section to remove the top cover. S014 CAUTION: Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is authorized to remove the covers where the label is attached.
Page 96: Remove The Processor And Memory Expansion Tray Or The System Air Baffle
Table 72. Lock/unlock directions on the top cover latch Unlock Lock Step 2. Press and hold on the blue tab of cover release latch; then, rotate the tip of the latch up. Step 3. Push the latch forward to slide the top cover away from the server. Figure 49.
Page 97 Step 2. Lift the power interposer from the server, and set it aside. Figure 50. Power interposer removal Step 3. Lift the system board air baffle from the server, and set it aside. Attention: Air baffle is required for airflow that creates proper cooling. Make sure proper air baffles for system configuration is installed before the power is turned on.
Page 98: Remove The Fan Cage Assembly
Remove the processor and memory expansion tray Use this procedure to remove the processor and memory expansion tray. To remove the processor and memory expansion tray, complete the following steps: Step 1. Slightly pull out power supply 2. Attention: Do not remove the processor and memory expansion tray without physically disconnecting power supply 2.
Page 99 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. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
Page 100: Install A Processor-Heat-Sink Module
• PHMs are keyed for the socket where they can be installed and for their orientation in the socket. • See https://serverproven.lenovo.com/ for a list of processors supported for your server. All processors on the system board must have the same speed, number of cores, and frequency.
Page 101 Figure 54. Processor locations Table 73. Processor locations Processor 3 Processor 4 Processor 1 Processor 2 Step 1. Remove the processor socket cover, if one is installed on the processor socket, by placing your fingers in the half-circles at each end of the cover and lifting it from the system board. Step 2.
Page 102 Figure 55. Installing a PHM Align the triangular marks and guide pins on the processor socket with the PHM; then, insert the PHM into the processor socket. Attention: To prevent damage to components, make sure that you follow the indicated tightening sequence.
Page 103: Install A Memory Module
Install a memory module Memory modules are installed in the compute system boards that are accessed from the front of the server. “ATTENTION: Static Sensitive Device Ground package before opening” on page “Memory module installation rules and order” on page 54 for detailed information about memory configuration and setup.
Page 104: Install A Drive Backplane
6. If you have installed a DCPMM, make sure the DCPMM firmware is the latest version. If not, update it to the latest version (see https://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/update_fw.html 7. Configure DCPMMs and DRAM DIMMs (see “Configuring Intel Optane DC Persistent Memory (DCPMM)” in Setup Guide “Configure Persistent Memory Module (PMem)”...
Page 105 When installing a 8-bay backplane and a AnyBay backplane, always install the 8-bay backplane to drive bay 0-7, and the AnyBay backplane to drive bay 8-15. Step 2. Align the tabs on the bottom of the drive backplane with the slots on the system board, and insert them into the slots.
Page 106: Install A 2.5-Inch Hot-Swap Drive
• SATA/SAS solid-state drive • SATA/SAS hard-disk drive For a complete list of supported optional device for this server, see https://serverproven.lenovo.com/ Before installing a 2.5-inch hot-swap drive: 1. Read the safety information and installation guidelines (see “Safety” on page iii “Installation...
Page 107: Install The Pcie Riser-Card Assembly
Notes: 1. Make sure to install every drive into the drive bay that supports the type of the specific drive. Drive type information is available on the drive. 2. When there are both SATA/SAS and NVMe drives to install, first install NVMe drives in reverse numeral order based on the bay number, and then install the SATA/SAS ones in numeral order.
Page 108 Figure 61. Removing USB 3.0 connector vertically To install the PCIe riser-card assembly, complete the following steps: Step 1. Assemble the PCIe riser-card assembly: Align the bottom of the PCIe riser-card to the slot, and rotate the top to fit it into the slot on the riser-cage;...
Page 109: Install The Lom Adapter
Figure 63. PCIe riser-card assembly Step 2. Align the PCIe riser-card assembly with the connector on the system board; then, push it in until it clicks in place. Figure 64. PCIe riser-card assembly installation Step 3. Reconnect all the cables disconnected previously. Install the LOM adapter Follow the instructions in this section to install the LOM adapter.
Page 110: How To Adjust The Position Of The Retainer On The M.2 Backplane
Figure 65. LOM adapter installation Step 4. Close the retention latch. How to adjust the position of the retainer on the M.2 backplane Use this information to adjust the position of the retainer on the M.2 backplane. Before you adjust the position of the retainer on the M.2 backplane, complete the following steps: 1.
Page 111: Install An M.2 Drive In The M.2 Backplane
Install an M.2 drive in the M.2 backplane Use this procedure to install an M.2 drive in the M.2 backplane. Before installing an M.2 drive in the M.2 backplane: 1. Read the safety information and installation guidelines (see “Safety” on page iii “Installation Guidelines”...
Page 112: Install The M.2 Backplane
Figure 69. M.2 drive installation with the retainers in place Install the M.2 backplane Use this procedure to install the M.2 backplane. Before installing the M.2 backplane: 1. Read the safety information and installation guidelines (see “Safety” on page iii “Installation Guidelines”...
Page 113: Install The Fan Cage Assembly
Note: Before installing the M.2 backplane, make sure an M.2 drive is installed to every available connector on the M.2 backplane. Step 1. Align the openings located at the bottom of the blue plastic supports at each end of the M.2 backplane with the guide pin on the system board and T-head pins on the hard drive cage;...
Page 114: Install The Processor And Memory Expansion Tray Or The System Air Baffle
Step 2. Rotate the fan cage release latches down until they stop. Install the processor and memory expansion tray or the system air baffle Follow the instructions in this section to install the processor and memory expansion tray or the system air baffle.
Page 115 Figure 74. System board air baffle installation Install the processor and memory expansion tray Use this procedure to install the processor and memory expansion tray. To install the processor and memory expansion tray, complete the following steps: Step 1. If the power interposer and system board air baffle are installed, remove them (see “Remove the system board air baffle and the power interposer”...
Page 116 Figure 75. Expansion tray air baffle installation Attention: Air baffle is required for airflow that creates proper cooling. Make sure proper air baffles for system configuration is installed before the power is turned on. Step 3. Slightly slide power supply 2 out from the power supply bay (see “Remove a hot-swap power supply unit”...
Page 117 Figure 76. Processor and memory expansion tray installation Step 6. Slide the power supply 2 back into the chassis. Step 7. Install DIMMs (see “Install a memory module” on page 95), PHMs (see “Install a processor-heat- sink module” on page 92), and the expansion tray air baffle on the expansion tray.
Page 118: Install The Top Cover
Figure 77. Expansion tray air baffle installation Attention: 1. For the optimal performance, make sure both PHMs and corresponding DIMMs are installed to the processor and memory expansion tray. 2. Air baffle is required for airflow that creates proper cooling. Make sure proper air baffles for system configuration is installed before the power is turned on.
Page 119: Install The Security Bezel
1. Read the safety information and installation guidelines (see “Safety” on page iii “Installation Guidelines” on page 52). 2. Make sure all the removed components are installed, and all the disconnected cables are reconnected. To install the top cover, complete the following steps: Step 1.
Page 120: Install The Server In A Rack
– To install the server in a chassis, follow the instructions that are provided in the documentation for the chassis in which you are installing the server. – For instructions related to the Flex System Enterprise chassis, see https://pubs.lenovo.com/enterprise- chassis/installing_components – For instructions related to the Flex System Carrier-Grade chassis, see https://pubs.lenovo.com/carrier-...
Page 121: Cable The Server
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 122 ThinkSystem SR850 Setup Guide...
Page 123: Chapter 4. System Configuration
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 124: Set Front Usb Port For Lenovo Xclarity Controller
For more information about using the Lenovo XClarity Administrator Mobile app, see: http://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/lxca_usemobileapp.html Set front USB port for Lenovo XClarity Controller connection Before you can access the Lenovo XClarity Controller through the front USB port, you need to configure the USB port for Lenovo XClarity Controller connection. Server support...
Page 125: Update The Firmware
Hat Enterprise Linux (RHEL) and SUSE Linux Enterprise Server (SLES) operating system distributions. Machine-type-specific firmware-only UXSPs 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 4 System configuration...
Page 126 Command Supports Methods System Firmware user line UXSPs Supported Firmware Updates interface interface Updates In-band √ √ Lenovo XClarity Provisioning Manager On-Target (LXPM) Out-of-band Selected I/O √ √ Lenovo XClarity devices Controller Off-Target (XCC) In-band All I/O √ √ √...
Page 127 • 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 128: Configure The Firmware
Several options are available to install and set up the firmware for the server. Important: Do not configure option ROMs to be set to Legacy unless directed to do so by Lenovo Support. This setting prevents UEFI drivers for the slot devices from loading, which can cause negative side effects for Lenovo software, such as Lenovo XClarity Administrator and Lenovo XClarity Essentials OneCLI, and to the Lenovo XClarity Controller.
Page 129: Memory Configuration
You can use the config application and commands to view the current system configuration settings and make changes to Lenovo XClarity Controller and UEFI. The saved configuration information can be used to replicate or restore other systems. For information about configuring the server using Lenovo XClarity Essentials OneCLI, see: https://pubs.lenovo.com/lxce-onecli/onecli_c_settings_info_commands...
Page 130 Note: If the text-based interface of Setup Utility opens instead of Lenovo XClarity Provisioning Manager, go to System Settings ➙ <F1> Start Control and select Tool Suite. Then, reboot the system and press the key specified in the on-screen instructions as soon as the logo screen appears to open Lenovo XClarity Provisioning Manager.
Page 131 • Intel Optane PMem details Select this option to view the following details concerning each of the the installed PMems: – Firmware version – Configuration status – Raw capacity – Memory capacity – App Direct capacity – Unconfigured capacity – Inaccessible capacity –...
Page 132 In addition, you can take advantage of a memory configurator, which is available at the following site: http://1config.lenovo.com/#/memory_configuration Alternatively, set PMem Goals with the following commands in OneCLI: 1. Set create goal status. onecli.exe config set IntelOptanePMEM.CreateGoal Yes --imm USERID:PASSW0RD@10.104.195.86 2.
Page 133 In the case the passphrases are lost or forgotten, the stored data cannot be backed up or restored, but you can contact Lenovo service for administrative secure erase. • After three failed unlocking attempts, the corresponding PMems enter “exceeded” state with a system warning message, and the PMem unit can only be unlocked after the system is rebooted.
Page 134: Raid Configuration
OS logical drives or volumes. An introduction to RAID is available at the following Lenovo Press website: https://lenovopress.com/lp0578-lenovo-raid-introduction Detailed information about RAID management tools and resources is available at the following Lenovo Press website: https://lenovopress.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 135: Back Up The Server Configuration
Available tools: – Lenovo XClarity Administrator http://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/compute_node_image_deployment.html – Lenovo XClarity Essentials OneCLI https://pubs.lenovo.com/lxce-onecli/onecli_r_uxspi_proxy_tool – Lenovo XClarity Integrator deployment pack for SCCM (for Windows operating system only) https://pubs.lenovo.com/lxci-deploypack-sccm/dpsccm_c_endtoend_deploy_scenario • Single-server Available tools: – Lenovo XClarity Provisioning Manager “OS Installation” section in the LXPM documentation compatible with your server at https:// pubs.lenovo.com/lxpm-overview/...
Page 136: Update The Vital Product Data (Vpd)
2. Copy and unpack the OneCLI package, which also includes other required files, to the server. Make sure that you unpack the OneCLI and the required files to the same directory. 3. After you have Lenovo XClarity Essentials OneCLI in place, type the following command to set the UUID: onecli config createuuid SYSTEM_PROD_DATA.SysInfoUUID [access_method]...
Page 137: Update The Asset Tag
Example command is as follows: onecli config createuuid SYSTEM_PROD_DATA.SysInfoUUID −−bmc <xcc_user_id>:<xcc_password>@<xcc_ external_ip> 4. Restart the Lenovo XClarity Controller. 5. Restart the server. Update the asset tag Optionally, you can update the asset tag. There are two methods available to update the asset tag:...
Page 138 • From Lenovo XClarity Provisioning Manager To update the asset tag 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. 2. If the power-on Administrator password is required, enter the password.
Page 139 Example command is as follows: onecli config set SYSTEM_PROD_DATA.SysEncloseAssetTag <asset_tag> −−bmc <xcc_user_id>:<xcc_ password>@<xcc_external_ip> 4. Reset the Lenovo XClarity Controller to the factory defaults. See “Resetting the BMC to Factory Default” section in the XCC documentation compatible with your server at https://pubs.lenovo.com/...
Page 140 ThinkSystem SR850 Setup Guide...
Page 141: Chapter 5. Resolving Installation Issues
“Displayed system memory is less than installed physical memory” on page 135 • “A Lenovo optional device that was just installed does not work.” on page 136 Server does not power on Complete the following steps until the problem is resolved: Note: The power-control button will not function until approximately 5 to 10 seconds after the server has been connected to power.
Page 142 You can view processor details from system setup. To determine if the processor is supported for the server, see https://serverproven.lenovo.com/ 3. (Trained technician only) Make sure that processor 1 is seated correctly 4. (Trained technician only) Remove processor 2 and restart the server.
Page 143 LXPM is displayed by default. (For more information, see the “Startup” section in the LXPM documentation compatible with your server at https://pubs.lenovo.com/lxpm- .) You can perform hard drive diagnostics from this interface. From the Diagnostic page, click overview/ Run Diagnostic ➙...
Page 144 2 (if installed) to verify that the problem is not the processor or the memory module connector. 8. (Trained technician only) Replace the system board. A Lenovo optional device that was just installed does not work. 1. Make sure that: •...
Page 145 4. Reseat the cable connection and check there is no physical damage to the cable. 5. If there is any cable damages, then replace the cable. Chapter 5 Resolving installation issues...
Page 146 ThinkSystem SR850 Setup Guide...
Page 147: Appendix A. Getting Help And Technical Assistance
Appendix A. 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 148: Collecting Service Data
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 149: Contacting Support
• Lenovo XClarity Essentials OneCLI Lenovo XClarity Essentials OneCLI has inventory application to collect service data. It can run both in- band and out-of-band. When running in-band within the host operating system on the server, OneCLI can collect information about the operating system, such as the operating system event log, in addition to the hardware service data.
Page 150 ThinkSystem SR850 Setup Guide...
Page 152 LOM adapter Lenovo Capacity Planner M.2 backplane Lenovo XClarity Essentials M.2 drive Lenovo XClarity Provisioning Manager processor and memory expansion tray light path diagnostics panel system board air baffle NMI button top cover LOM adapter install server in a rack...
Page 153 88, 90, 106 connector 21, 23 system board air baffle top cover removing security bezel retainer on M.2 backplane adjustment video connector routing the server cables front 13–14 © Copyright Lenovo 2017, 2022...
Page 154 rear 21, 24 working inside the server power on ThinkSystem SR850 Setup Guide...
Page 156 Part Number: SP47A24294 Printed in China (1P) P/N: SP47A24294 *1PSP47A24294*...

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Chapter 1. Introduction

Chapter 2. Server Components

Chapter 3. Server Hardware Setup

Chapter 4. System Configuration

Chapter 5. Resolving Installation Issues

Appendix A. Getting Help and Technical Assistance

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