Dell EMC PowerEdge MX840c Installation And Service Manual
Dell EMC PowerEdge MX840c Installation And Service Manual

Dell EMC PowerEdge MX840c Installation And Service Manual

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Dell EMC PowerEdge MX840c
Installation and Service Manual
Regulatory Model: E05B Series
Regulatory Type: E05B001

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Summary of Contents for Dell EMC PowerEdge MX840c

  • Page 1 Dell EMC PowerEdge MX840c Installation and Service Manual Regulatory Model: E05B Series Regulatory Type: E05B001...
  • Page 2 Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
  • Page 3: Table Of Contents

    Contents 1 About this document............................7 2 Dell EMC PowerEdge MX840c overview....................... 8 Front view of the sled................................9 Inside the sled..................................9 Locating the Service Tag of the sled..........................11 System information label..............................11 3 Initial system setup and configuration......................15 Setting up your sled................................15 iDRAC configuration.................................
  • Page 4 Sled cover..................................46 Removing the sled cover............................46 Installing the sled cover............................. 47 Air shroud..................................48 Removing the air shroud from the PEM......................... 48 Installing the air shroud on the PEM........................49 Removing the air shroud from the system board....................50 Installing the air shroud on the system board......................51 Processor expansion module............................
  • Page 5 Removing the processor from the processor and heat sink module..............89 Installing the processor into a processor and heat sink module................91 Installing the processor and heat sink module......................93 iDRAC card..................................94 Removing the iDRAC card............................95 Installing the iDRAC card............................96 PERC cards..................................97 Removing the PERC card............................
  • Page 6 9 Getting help..............................141 Contacting Dell................................141 Documentation feedback............................... 141 Receiving automated support with SupportAssist ....................141 Accessing system information by using QRL......................142 Quick Resource Locator for the PowerEdge MX840c sled..................142 Recycling or End-of-Life service information......................142 10 Documentation resources......................... 143 Contents...
  • Page 7: About This Document

    The PowerEdge MX840c is compatible with the PowerEdge MX7000 enclosure. For more information on the enclosure, refer to the Installation and Service Manual for the PowerEdge MX7000 at Dell.com/poweredgemanuals.
  • Page 8: Dell Emc Poweredge Mx840C Overview

    Dell EMC PowerEdge MX840c overview The PowerEdge MX840c is a double-width compute sled and supports: • Up to four Intel Xeon Scalable Processors • Up to 48 DIMM slots • Up to eight 2.5 inch SAS, SATA (HDD/SSD), or NVMe drives...
  • Page 9: Front View Of The Sled

    For more information on the drives and ports, see the Technical Specifications section. Inside the sled NOTE: Components that are hot swappable have orange touch points and the components that are not hot swappable have blue touch points. Dell EMC PowerEdge MX840c overview...
  • Page 10 Mini Mezzanine card (Fabric C2 card) connector Figure 3. Inside the sled with system board Backplane Processor 1 socket PEM connector Processor 2 socket Mezzanine card (Fabric A1 card) Rotational guiding hook Power connector Mezzanine card (Fabric B1 card) Dell EMC PowerEdge MX840c overview...
  • Page 11: Locating The Service Tag Of The Sled

    Locating the Service Tag of the sled The PowerEdge MX840c sled is identified by a unique Express Service Code and Service Tag number. The Express Service Code and Service Tag are found on the front of the enclosure by pulling out the Information Tag. Dell uses this information to route support calls to the appropriate personnel.
  • Page 12 Figure 6. PowerEdge MX840c memory information Dell EMC PowerEdge MX840c overview...
  • Page 13 Figure 7. PowerEdge MX840c system board connections Figure 8. PowerEdge MX840c BBU module Dell EMC PowerEdge MX840c overview...
  • Page 14 Figure 9. PowerEdge MX840c PEM removal Figure 10. PowerEdge MX840c mezzanine cards removal Figure 11. PowerEdge MX840c PERC cards removal Figure 12. PowerEdge MX840c iDRAC/IDSDM module and optional internal USB key removal Dell EMC PowerEdge MX840c overview...
  • Page 15: Initial System Setup And Configuration

    Initial system setup and configuration Setting up your sled Complete the following steps to set up your sled: Unpack the sled. Remove the I/O connector cover from the sled connectors. CAUTION: While installing the sled, ensure that it is properly aligned with the slot on the enclosure to prevent damage to the sled connectors.
  • Page 16: Log In To Idrac

    Ensure that you change the default user name and password after setting up the iDRAC IP address. NOTE: The Intel® Quick Assist Technology (QAT) on the Dell EMC PowerEdge MX840c is supported with chipset integration and is enabled through an optional license. The license files are enabled on the sleds through iDRAC.
  • Page 17: Downloading Drivers And Firmware

    Using iDRAC virtual media Dell.com/idracmanuals Downloading drivers and firmware Dell EMC recommends that you download and install the latest BIOS, drivers, and systems management firmware on your system. Prerequisite Ensure that you clear the web browser cache before downloading the drivers and firmware.
  • Page 18: Pre-Operating System Management Applications

    Pre-operating system management applications You can manage basic settings and features of a system without booting to the operating system by using the system firmware. Topics: • Options to manage the pre-operating system applications • System Setup • Dell Lifecycle Controller •...
  • Page 19: System Setup Details

    System Setup details The System Setup Main Menu screen details are explained as follows: Option Description System BIOS Enables you to configure BIOS settings. iDRAC Settings Enables you to configure the iDRAC settings. The iDRAC settings utility is an interface to set up and configure the iDRAC parameters by using UEFI (Unified Extensible Firmware Interface).
  • Page 20 Option Description Network Settings Specifies options to manage the UEFI network settings and boot protocols. Legacy network settings are managed from the Device Settings menu. Integrated Devices Specifies options to manage integrated device controllers and ports, specifies related features and options. Serial Specifies options to manage the serial ports, its related features and options.
  • Page 21 Option Description System Indicates the contact information of the Original Equipment Manufacturer (OEM). Manufacturer Contact Information System CPLD Specifies the current version of the system, complex programmable logic device (CPLD) firmware. Version UEFI Compliance Specifies the UEFI compliance level of the system firmware. Version Memory Settings You can use the Memory Settings screen to view all the memory settings and enable or disable specific memory functions, such as system...
  • Page 22 Option Description NOTE: The Fault Resilient Mode option establishes an area of memory that is fault resilient. This mode can be used by an operating system that supports the feature to load critical applications or enables the operating system kernel to maximize system availability. Current State of Specifies the current state of the memory operating mode.
  • Page 23 Option Description NVDIMM-N Specifies information on the serial number of the NVDIMM-N. Memory Serial Number NVDIMM-N Enables clearing data on specific NVDIMM-N and results in loss of data on that specific NVDIMM-N. Factory Reset and Secure Erase The Persistent Memory screen details can be found in the NVDIMM-N User Guide at Dell.com/poweredgemanuals. Processor Settings You can use the Processor Settings screen to view the processor settings, and perform specific functions such as enabling virtualization technology, hardware prefetcher, logical processor idling, and opportunistic self-refresh.
  • Page 24 Option Description However, if power saving considerations outweigh performance, you might want to reduce the frequency of the CPU communication links. If you do this, you should localize memory and I/O accesses to the nearest NUMA node to minimize the impact to system performance. Virtualization Enables or disables the virtualization technology for the processor.
  • Page 25 Option Description Option Description Number of Cores Specifies the number of cores per processor. SATA Settings You can use the SATA Settings screen to view the SATA settings of SATA devices and enable SATA and PCIe NVMe RAID mode on your system.
  • Page 26 NVMe Settings The NVMe settings enable you to set the NVMe drives to either RAID mode or Non-RAID mode. NOTE: To configure these drives as RAID drives, click System BIOS Settings > SATA Settings > Embedded SATA Option and enable RAID mode. If not, you must set this field to Non-RAID mode. Viewing NVMe Settings To view the NVMe Settings screen, perform the following steps: Turn on, or restart your system.
  • Page 27 On the System BIOS screen, click Boot Settings. Boot Settings details The Boot Settings screen details are explained as follows: Option Description Boot Mode Allows you to configure the Boot Sequence and Enable or Disable the individual boot options. The available options are BIOS and UEFI.
  • Page 28 Changing boot order About this task You may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions may vary if you have selected BIOS for Boot Mode. Steps On the System Setup Main Menu screen, click System BIOS >...
  • Page 29 Option Description Table 3. UEFI iSCSI Settings screen details Option Description iSCSI Initiator Name Specifies the name of the iSCSI initiator in IQN format. iSCSI Device1 Enables or disables the iSCSI device. When disabled, a UEFI boot option is created for the iSCSI device automatically.
  • Page 30 Option Description Embedded Video Enables or disables the use of Embedded Video Controller as the primary display. When set to Enabled, the Controller Embedded Video Controller will be the primary display even if add-in graphic cards are installed. When set to Disabled, an add-in graphics card will be used as the primary display.
  • Page 31 Serial Communication You can use the Serial Communication screen to view the properties of the serial communication port. Viewing Serial Communication To view the Serial Communication screen, perform the following steps: Turn on, or restart your system. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then...
  • Page 32 System Profile Settings You can use the System Profile Settings screen to enable specific system performance settings such as power management. Viewing System Profile Settings To view the System Profile Settings screen, perform the following steps: Turn on, or restart your system. Press F2 immediately after you see the following message: F2 = System Setup NOTE:...
  • Page 33 Option Description The CPU uses the setting to manipulate the internal behavior of the processor and determines whether to target higher performance or better power savings. This option is set to Balanced Performance by default. Number of Turbo NOTE: If there are four processors installed in the system, you will see an entry for Number of Turbo Boost Enabled Boost Enabled Cores for Processor 4.
  • Page 34 Option Description TPM Information NOTE: The TPM menu is available only when the TPM module is installed. Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by default. You can only modify the TPM Status, and TPM Activation, and the Intel TXT fields if the TPM Status field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements.
  • Page 35 Option Description settings, and blocks access to all in-band management tools. All management should be managed through out-of- band. This option is set to Enabled by default. NOTE: BIOS update requires HECI devices to be operational and DUP updates require IPMI interface to be operational.
  • Page 36 Steps To enter System Setup, press F2 immediately after turning on or rebooting your system. On the System Setup Main Menu screen, click System BIOS > System Security. On the System Security screen, verify that Password Status is set to Unlocked. In the System Password field, type your system password, and press Enter or Tab.
  • Page 37 Operating with setup password enabled If Setup Password is set to Enabled, type the correct setup password before modifying the system setup options. If you do not type the correct password in three attempts, the system displays the following message: Invalid Password! Number of unsuccessful password attempts: <x>...
  • Page 38 Option Description • SATA Ports in AHCI mode • BOSS PCIe cards (Internal M.2 Drives) • Internal USB NOTE: RAID configurations and NVMe cards not are included as BIOS does not have the ability to distinguish between individual drives in those configurations. Redundant OS NOTE: This option is disabled if Redundant OS Location is set to None.
  • Page 39: Idrac Settings Utility

    Option Description F1/F2 Prompt on Enables or disables the F1/F2 prompt on error. This option is set to Enabled by default. The F1/F2 prompt also Error includes keyboard errors. Load Legacy Video Enables you to determine whether the system BIOS loads the legacy video (INT 10H) option ROM from the video Option ROM controller.
  • Page 40: Boot Manager

    Boot Manager The Boot Manager screen enables you to select boot options and diagnostic utilities. Viewing Boot Manager About this task To enter Boot Manager: Steps Turn on, or restart your system. Enter the result of your step here (optional). Press F11 when you see the following message: F11 = Boot Manager If your operating system begins to load before you press F11, allow the system to complete the booting, and then restart your system...
  • Page 41: Pxe Boot

    PXE boot You can use the Preboot Execution Environment (PXE) option to boot and configure the networked systems, remotely. To access the PXE boot option, boot the system and then press F12 during POST instead of using standard Boot Sequence from BIOS Setup.
  • Page 42: Installing And Removing Sled Components

    Installing and removing sled components Safety instructions WARNING: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system by yourself. CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
  • Page 43: Recommended Tools

    PowerEdge MX840c sled The PowerEdge MX840c sled is a compute server unit that is installed into the PowerEdge MX7000 enclosure. The sled features quad processors, processor expansion module (PEM), memory modules, mezzanine cards, mini mezzanine card, PERC cards, and onboard storage (MicroSD card and M.2 SATA).
  • Page 44: Installing The Sled Into The Enclosure

    NOTE: Support the sled with both hands while sliding it out of the enclosure. Install the I/O connector cover on the sled. CAUTION: To protect the I/O connector pins, install the I/O connector cover every time a sled is removed from the enclosure.
  • Page 45 Figure 15. Removing the I/O connector cover from the sled NOTE: The color of the I/O connector cover may differ. Press the blue lever button on the sled to release the lever. Holding the sled with two hands, align the sled with the bay in the enclosure and slide the sled into the enclosure until firmly seated. Rotate the lever up until it clicks into place and secures the sled in the enclosure.
  • Page 46: Sled Cover

    Figure 16. Installing the sled into the enclosure Next step Power on the sled. Sled cover The sled cover protects the components inside the sled and helps in maintaining air flow inside the sled. Removing the sled cover Prerequisites Follow the safety guidelines listed in the Safety instructions section.
  • Page 47: Installing The Sled Cover

    Figure 17. Removing the sled cover Next step Install the sled cover. Installing the sled cover Prerequisites Follow the safety guidelines listed in the Safety instructions section. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the sled. Steps Align the tabs on the sled cover with the guide slots on the sled.
  • Page 48: Air Shroud

    The air shroud aerodynamically directs the airflow across the entire sled. The airflow passes through all the critical parts of the sled thus allowing increased cooling. The PowerEdge MX840c sled has: • Air shroud on the processor expansion module (PEM) •...
  • Page 49: Installing The Air Shroud On The Pem

    Figure 19. Removing the air shroud from the PEM Next step Install the air shroud on the PEM. Installing the air shroud on the PEM Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section.
  • Page 50: Removing The Air Shroud From The System Board

    Figure 20. Installing the air shroud on the PEM Next step Follow the procedure listed in the After working inside your sled section. Removing the air shroud from the system board Prerequisites CAUTION: Never operate your system with the air shroud removed. The system may get overheated quickly, resulting in shutdown of the system and loss of data.
  • Page 51: Installing The Air Shroud On The System Board

    Figure 21. Removing the air shroud from the system board Next step Install the air shroud on the system board. Installing the air shroud on the system board Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section.
  • Page 52: Processor Expansion Module

    Figure 22. Installing the air shroud on the system board Next steps Install the PEM. Follow the procedure listed in the After working inside your sled section. Processor expansion module Removing the processor expansion module Prerequisites Follow the safety guidelines listed in the Safety instructions section.
  • Page 53: Installing The Processor Expansion Module

    Figure 23. Removing the PEM Next step Installing the processor expansion module. Installing the processor expansion module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Steps Lift the processor expansion module (PEM) by holding the blue handle and release lever.
  • Page 54: Drives

    Drives Drive installation guidelines Drives are available in hot-swappable drive carriers that fit in the front drive slots of the PowerEdge MX840c sled. CAUTION: Before attempting to remove or install a drive while the sled is running, see the documentation for the storage controller card to ensure that the host adapter is configured correctly to support hot-swap drive removal and insertion.
  • Page 55: Removing A Drive Blank

    Removing a drive blank Prerequisites Follow the safety guidelines listed in the Safety instructions section. CAUTION: To maintain proper system cooling, drive blanks must be installed in all empty drive slots. CAUTION: Mixing drive blanks from previous generations of PowerEdge servers is not supported. Step Press the release button, and slide the drive blank out of the drive slot.
  • Page 56: Removing A Drive Carrier

    Figure 26. Installing a drive blank Removing a drive carrier Prerequisites Follow the safety guidelines listed in the Safety instructions section. Using the management software, prepare the drive for removal. If the drive is online, the green activity or fault indicator flashes while the drive is turning off. When the drive indicators are off, the drive is ready for removal.
  • Page 57: Installing A Drive Carrier

    Figure 27. Removing a drive carrier Next steps Install a drive carrier. If you are not replacing the drive carrier immediately, insert a drive blank in the empty drive slot to maintain proper sled cooling. Installing a drive carrier Prerequisites CAUTION: Before attempting to remove or install a drive while the system is running, see the documentation for the storage controller card to ensure that the host adapter is configured correctly to support drive removal and insertion.
  • Page 58: Removing A Drive From The Drive Carrier

    Steps Press the release button on the front of the drive carrier to open the release handle. Insert the drive carrier into the drive slot and slide until the drive carrier connects with the backplane. Close the release handle of the drive carrier to lock the drive in place. Figure 28.
  • Page 59: Installing A Drive Into The Drive Carrier

    Figure 29. Removing a drive from the drive carrier Next step Install a drive into the drive carrier. Installing a drive into the drive carrier Prerequisites Follow the safety guidelines listed in the Safety instructions section. CAUTION: Mixing drive carriers from other generations of PowerEdge servers is not supported. NOTE: When installing a drive into the drive carrier, ensure that the screws are torqued to 4 in-lbs.
  • Page 60: Drive Backplane

    Figure 30. Installing a drive into the drive carrier Drive backplane Drive backplane connectors Depending on the configuration, the drives supported on the PowerEdge MX840c sled are listed in the table. Table 6. Supported drives options for the PowerEdge MX840c sled Drives...
  • Page 61: Removing The Drive Backplane

    Figure 31. 6 x 2.5 inch drive backplane AUX 3 cable connector SATA/SAS connector I2C cable connector AUX 2 cable connector AUX 1 cable connector Power cable connector [BP PWR] Figure 32. 8 x 2.5 inch drive backplane AUX 4 cable connector AUX 3 cable connector SATA/SAS connector I2C cable connector...
  • Page 62: Installing The Drive Backplane

    Follow the procedure listed in the Before working inside your sled section. Remove the air shroud from the PEM. Remove the PEM. Remove all the drives. Disconnect the cables that are connected to the drive backplane. Steps Using Phillips #2 screwdriver, loosen the two captive screws on the drive backplane. Holding the edges, lift the backplane away from the sled.
  • Page 63 Figure 34. Installing the drive backplane Next steps Connect all the cables to the drive backplane connectors. Install the drives. Install the PEM. Install the air shroud on the PEM. Follow the procedure listed in the After working inside your sled section.
  • Page 64: Cable Routing

    Cable routing Figure 35. Cable routing - 6 x 2.5 inch drive backplane with PERC card Figure 36. Cable routing - 6 x 2.5 inch drive backplane with Jumbo PERC card Installing and removing sled components...
  • Page 65 Figure 37. Cable routing - 6 x 2.5 inch drive backplane Figure 38. Cable routing - 6 x 2.5 inch drive backplane with PEM board Installing and removing sled components...
  • Page 66 Figure 39. Cable routing - 8 x 2.5 inch drive backplane with PERC card Figure 40. Cable routing - 8 x 2.5 inch drive backplane with Jumbo PERC card Installing and removing sled components...
  • Page 67: Drive Cage

    Figure 41. Cable routing - 8 x 2.5 inch drive backplane Figure 42. Cable routing - 8 x 2.5 inch drive backplane with PEM board Drive cage The drive cage contains the drives and the battery backup unit module. Removing the drive cage Prerequisites CAUTION: To prevent damage to the drives and backplane, you must remove the drives from the sled before removing the...
  • Page 68 CAUTION: You must note the slot number of each drive and temporarily label them before removal so that you can replace them in the same locations. NOTE: Observe the routing of the cables on the sled as you remove them from the sled. You must route these cables properly when you replace them to prevent the cables from being pinched or crimped.
  • Page 69: Installing The Drive Cage

    Installing the drive cage Prerequisites CAUTION: To prevent damage to the drives and backplane, you must remove the drive carriers from the system before removing the backplane. CAUTION: You must note the slot numbers of each drive and temporarily label them before removal so that you can replace them in the same locations.
  • Page 70: Battery Backup Unit

    Battery backup unit Removing the battery backup unit module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Remove the PEM. Disconnect the two cables from the battery backup unit (BBU) to the connectors on the system board. Remove the drive cage.
  • Page 71: Installing The Bbu Module

    Installing the BBU module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Install the BBU into the BBU cage. Install the drive cage. Steps Route the cables on the BBU module through the front end of the sled. Slide the BBU module until it firmly locks in place with the drive cage.
  • Page 72: Removing The Bbu From The Bbu Cage

    Removing the BBU from the BBU cage Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Remove the battery backup unit module. Steps Using a Phillips #1 screwdriver, loosen the captive screw securing the BBU to the BBU cage. Lift and slide the BBU out of the BBU cage.
  • Page 73: Control Panel

    Figure 48. Installing the BBU into the BBU cage Next step Install the BBU module. Control panel A control panel enables you to manually control the inputs to the sled. The control panel features on the PowerEdge MX840c are: • Power button • iDRAC Direct port •...
  • Page 74: Installing The Control Panel

    Figure 49. Removing the control panel Next step Install the control panel. Installing the control panel Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Steps Connect the control panel cable to the connector on the system board.
  • Page 75: System Memory

    Figure 50. Installing the control panel Next steps Install the BBU module. Install the drive cage. Install the backplane. Install the drives. Install the PEM. Follow the procedure listed in the After working inside your sled section. System memory The sled supports DDR4 registered DIMMs (RDIMMs) and load reduced DIMMs (LRDIMMs). System memory holds the instructions that are executed by the processor.
  • Page 76 Memory bus operating frequency can be 2400 MT/s, or 2666 MT/s depending on the following factors: • DIMM type (RDIMM or LRDIMM or NVDIMM-N) • Number of DIMMs populated per channel • System profile selected (for example, Performance Optimized, Custom, or Dense Configuration Optimized) •...
  • Page 77 Figure 52. Memory sockets on the PEM board Memory channels are organized as follows: Table 7. Memory channels Processor Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Processor 1 Slots A1 and A7 Slots A2 and A8 Slots A3 and A9 Slots A4 and A10 Slots A5 and A11...
  • Page 78: General Memory Module Installation Guidelines

    Table 8. Memory population DIMM Type DIMM Ranking Capacity Operating Frequency (in Voltage MT/s) RDIMM 1R / 2R 8 GB, 16 GB, 32 GB 1.2 V 2666 LRDIMM 4R / 8R 64 GB, 128 GB 1.2 V 2666 General memory module installation guidelines To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory.
  • Page 79: Nvdimm-N Memory Module Installation Guidelines

    • When the DIMM quantity is 4 per processor, the population is slot 1, 2, 4, 5. • When the DIMM quantity is 8 per processor, the population is slot 1, 2, 4, 5, 7, 8, 10, 11. NVDIMM-N memory module installation guidelines The following are the recommended guidelines for installing NVDIMM-N memory modules: •...
  • Page 80 Configuration Description Memory population rules RDIMMs NVDIMM-N Same for all 12x RDIMM Processor1 {A7, A8} Configuration 8 22x 32 GB RDIMMs, 4x configurations. See NVDIMM-Ns Configuration 1. Processor2 {B7, B8} Processor1 {A11, 12} Configuration 9 20x 32 GB RDIMMs, 4x Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, NVDIMM-Ns 9, 10}...
  • Page 81 Memory population rules Configuration Description RDIMMs NVDIMM-N Processor 4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} Configuration 4 24x 16GB RDIMMs, 2x Processor1 {A1, 2, 3, 4, 5, 6}, Processor1 {A7}, NVDIMM-Ns Processor2 {B1, 2, 3, 4, 5, 6} Processor2 {B7} Processor3 {C1, 2, 3, 4, 5, 6} Processor4 {D1, 2, 3, 4, 5, 6}...
  • Page 82: Mode-Specific Guidelines

    Memory population rules Configuration Description RDIMMs NVDIMM-N Processor3 {C1, 2, 3, 4, 5, 6} Processor4 {D1, 2, 3, 4, 5, 6} Configuration 12 42x 32GB RDIMMs, 6x Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, Processor1 {A10,11,12} NVDIMM-Ns Processor2 {B10, 11, 12} Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}...
  • Page 83 Memory Operating Mode Description speed, and technology, and they must be populated in sets of 6 per processor. Single Rank Spare Mode Single Rank Spare Mode allocates one rank per channel as a spare. If excessive correctable errors occur in a rank or channel, while the operating system is running, they are moved to the spare area to prevent errors from causing an uncorrectable failure.
  • Page 84 Processor Configuration Memory population Memory population information NOTE: Odd number of DIMMs will result in A{5}, B{5}, unbalanced memory configurations, which A{6}, B{6} in turn will result in performance loss. It is recommended to populate all memory channels identically with identical DIMMs for best performance.
  • Page 85: Removing A Memory Module

    Processor Configuration Memory population Memory population information Optimizer population order is not traditional for 16 and 32 DIMMs installations for dual processor. • For 16 DIMMs: A1, A2, A4, A5, B1, B2, B4, B5, C1, C2, C4, C5, D1, D2, D4, D5 •...
  • Page 86: Installing A Memory Module

    WARNING: Allow the memory modules to cool after you power off the sled. Handle the memory modules by the card edges and avoid touching the components or metallic contacts on the memory module. CAUTION: To ensure proper sled cooling, memory module blanks must be installed in any memory socket that is not occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.
  • Page 87: Processors And Heat Sinks

    CAUTION: To prevent damage to the memory module or the memory module socket during installation, do not bend or flex the memory module. You must insert both ends of the memory module simultaneously. Open the ejectors on the memory module socket outward to allow the memory module to be inserted into the socket. Align the edge connector of the memory module with the alignment key of the memory module socket, and insert the memory module in the socket.
  • Page 88: Processor Wattage And Heat Sink Dimensions

    Processor wattage and heat sink dimensions Table 13. Processor wattage and heat sink dimensions Processor configuration Processor type Heat sink width Number of DIMMs, Number of DIMMs, RAS Maximum (Reliability, Availability, and Serviceability) up to 205 W 90 mm Removing the processor and heat sink module Prerequisites WARNING: The heat sink may be hot to touch for some time after the sled has been powered down.
  • Page 89: Removing The Processor From The Processor And Heat Sink Module

    Figure 55. Removing the processor and heat sink module Next step Install the processor and heat sink module. Removing the processor from the processor and heat sink module Prerequisites NOTE: Only remove the processor from the processor and heat sink module (PHM) if you are replacing the processor or heat sink.
  • Page 90 Figure 56. Loosening the processor bracket Lift the bracket and the processor away from the heat sink, and place the processor connector side down on the processor tray. Flex the outer edges of the bracket to release the bracket from the processor. NOTE: Ensure that the processor and the bracket are placed in the tray after you remove the heat sink.
  • Page 91: Installing The Processor Into A Processor And Heat Sink Module

    Installing the processor into a processor and heat sink module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Steps Place the processor in the processor tray. NOTE: Ensure that the pin 1 indicator on the processor tray is aligned with the pin 1 indicator on the processor.
  • Page 92 Figure 59. Applying thermal grease on top of the processor Place the heat sink on the processor and push down on the base of the heat sink until the bracket locks onto the heat sink. NOTE: • Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink. •...
  • Page 93: Installing The Processor And Heat Sink Module

    Figure 60. Installing the heat sink onto the processor Next steps Install the processor and heat sink module. Follow the procedure listed in the After working inside your sled section. Installing the processor and heat sink module Prerequisites CAUTION: Never remove the heat sink from a processor unless you intend to replace the processor. The heat sink is necessary to maintain proper thermal conditions.
  • Page 94: Idrac Card

    In the PowerEdge MX840c, iDRAC is not embedded on the system board. The iDRAC is a separate card different from the 14G and previous generation. The vFlash card for the PowerEdge MX840c is available on the iDRAC card.
  • Page 95: Removing The Idrac Card

    Removing the iDRAC card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Remove the PEM. Remove the air shroud from the system board. CAUTION: If either the system board or iDRAC card fails, it is required to replace the system board and iDRAC card simultaneously.
  • Page 96: Installing The Idrac Card

    Figure 63. Removing a vFlash card Next step Install the iDRAC card. Installing the iDRAC card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. CAUTION: If either the system board or iDRAC card fails, it is required to replace the system board and iDRAC card simultaneously.
  • Page 97: Perc Cards

    Install the PEM. Follow the procedure listed in the After working inside your sled section. PERC cards The PowerEdge MX840c sled includes dedicated slots on the system board and PEM board for PERC cards. Installing and removing sled components...
  • Page 98: Removing The Perc Card

    Removing the PERC card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Remove the PEM. Disconnect the cable connected to the PERC card. Steps Lift the blue pull tag to raise the lever up on the PERC card. NOTE: For the H730P MX card, pull the two blue pull tags to raise the lever up.
  • Page 99: Removing The Jumbo Perc Card

    Figure 67. Installing the PERC card Next steps Connect the cable to the PERC card. Install the PEM. Follow the procedure listed in the After working inside your sled section. Removing the Jumbo PERC card Prerequisites Follow the safety guidelines listed in the Safety instructions section.
  • Page 100: Installing The Jumbo Perc Card

    Figure 68. Removing the Jumbo PERC card Next step Install the Jumbo PERC card. Installing the Jumbo PERC card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section.
  • Page 101: Optional Internal Dual Sd Module

    Figure 69. Installing the Jumbo PERC card Next steps Connect the cable to the Jumbo PERC card. Install the air shroud on the system board. Install the PEM. Follow the procedure listed in the After working inside the sled section. Optional Internal dual SD module The optional internal dual SD module (IDSDM) has two MicroSD card sockets.
  • Page 102: Installing The Optional Idsdm Module

    Figure 70. Removing the IDSDM module Next step Install the optional IDSDM module. Installing the optional IDSDM module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section.
  • Page 103: Removing A Microsd Card

    Figure 71. Installing the IDSDM module Next steps Install the MicroSD cards. NOTE: Reinstall the MicroSD cards into the same slots based on the labels you had marked on the cards during removal. Install the air shroud on the system board.
  • Page 104: Installing A Microsd Card

    Figure 72. Removing a MicroSD card Next step Install a MicroSD card. Installing a MicroSD card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. NOTE: To use an MicroSD card with your system, ensure that the Internal SD Card Port is enabled in System Setup.
  • Page 105: M.2 Boss Module

    Figure 73. Installing a MicroSD card Next steps Install the IDSDM module. Install the PEM. Follow the procedure listed in the After working inside your sled section. M.2 BOSS module The M.2 BOSS module is a simple RAID solution designed specifically for booting a server's operating system. The module supports up to two 6 Gbps M.2 SATA cards.
  • Page 106: Installing The M.2 Boss Module

    Figure 74. Removing the M.2 BOSS module Next step Install the M.2 BOSS module. Installing the M.2 BOSS module Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled.
  • Page 107: Removing The M.2 Sata Card

    Figure 75. Installing the M.2 BOSS module Next steps Install the air shroud on the system board. Install the PEM. Follow the procedure listed in the After working inside your sled. Removing the M.2 SATA card Prerequisites Follow the safety guidelines listed in the Safety instructions section.
  • Page 108: Installing The M.2 Sata Card

    Figure 76. Removing the M.2 SATA card Next step Install the M.2 SATA card. Installing the M.2 SATA card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled.
  • Page 109: Mezzanine Card

    Mezzanine card Mezzanine card installation guidelines The PowerEdge MX840c sled supports four Mezzanine cards: • PCIe Mezzanine card slot C supports Fabric C - This card must match the fabric type of I/O modules that are installed in I/O module bays C1 and C2.
  • Page 110: Installing The Mini Mezzanine Card Blank

    Figure 78. Removing the mini Mezzanine card blank Next step Install the mini Mezzanine card blank. Installing the mini Mezzanine card blank Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section.
  • Page 111: Removing A Mini Mezzanine Card

    Figure 80. Removing the mini Mezzanine card Install the connector cap on the I/O connector of the mini Mezzanine card. NOTE: The PowerEdge MX840c sled supports HBA330 MMZ and Fiber channel MMZ which are installed in the mini Mezzanine card slot. Next step...
  • Page 112: Removing The Mezzanine Card

    Lower and press the mini Mezzanine card until firmly seated. Figure 81. Installing the mini Mezzanine card NOTE: The PowerEdge MX840c sled supports HBA330 MMZ and Fiber channel MMZ which are installed in the mini Mezzanine card slot. Next steps Install the air shroud on the system board.
  • Page 113 Figure 82. Removing the Mezzanine card from the system board Figure 83. Removing the Mezzanine card from the PEM Installing and removing sled components...
  • Page 114: Installing The Mezzanine Card

    Next step Install the Mezzanine card. Installing the Mezzanine card Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. Steps Align the connector on the Mezzanine card with the connector on the system board. Place the Mezzanine card on the connector, and press the blue push point until firmly seated.
  • Page 115: Optional Internal Usb Memory Key

    Figure 85. Installing the Mezzanine card on the PEM Next steps After installing the Mezzanine card on the system board, install the PEM. Follow the procedure listed in the After working inside your sled section. Optional internal USB memory key An optional USB memory key installed inside your sled can be used as a boot device, security key, or mass storage device.
  • Page 116: System Battery

    Remove the PEM. Steps Locate the USB port or USB memory key on the system board. To locate the USB port, see the System board jumpers and connectors section. If installed, remove the USB memory key from the USB port. Place the replacement USB memory key into the USB port.
  • Page 117: System Board

    Figure 87. Installing the system battery Next steps Install the PEM. Follow the procedure listed in the After working inside your sled section. While booting, press F2 to enter the System Setup and ensure that the battery is operating properly. Enter the correct time and date in the System Setup Time and Date fields.
  • Page 118 IDSDM module M.2 BOSS module Internal USB memory key (if applicable) iDRAC card PERC cards Jumbo PERC card Mezzanine card NOTE: It is required to remove the mezzanine card support brackets for removing the system board from the system. Mini Mezzanine cards Memory modules and memory module blanks Drives Backplane...
  • Page 119: Installing The System Board

    Installing the system board Prerequisites Follow the safety guidelines listed in the Safety instructions section. Follow the procedure listed in the Before working inside your sled section. CAUTION: If either the system board or iDRAC card fails, it is required to replace the system board and iDRAC card simultaneously.
  • Page 120 iDRAC card PERC cards Jumbo PERC cards Mezzanine cards NOTE: Install the mezzanine card support brackets before installing the mezzanine cards. Mini Mezzanine card Processors Heat sink and processor modules Memory modules and memory module blanks Control panel Drive cage Backplane Drives Air shroud into the system board...
  • Page 121: Trusted Platform Module

    Restoring the Service Tag by using the Easy Restore feature By using the Easy Restore feature, you can restore your Service Tag, license, UEFI configuration, and the system configuration data after replacing the system board. All data is automatically backed up in a backup flash device. If BIOS detects a new system board and the Service Tag in the backup flash device, BIOS prompts the user to restore the backup information.
  • Page 122 Removing the TPM Locate the TPM connector on the system board. To locate the TPM connector, see the System board jumpers and connectors section. Press to hold the module down and remove the screw using the security Torx 8-bit shipped with the TPM module. Slide the TPM module out from its connector.
  • Page 123 Save the settings. Restart your system. Enter System Setup again. On the System Setup Main Menu screen, click System BIOS > System Security Settings. From the Intel TXT option, select On. Initializing the TPM 2.0 for TXT users While booting your system, press F2 to enter System Setup. On the System Setup Main Menu screen, click System BIOS >...
  • Page 124: Jumpers And Connectors

    Jumpers and connectors This topic provides specific information about the jumpers. It also provides some basic information about jumpers and switches and describes the connectors on the various boards in the system. Jumpers on the system board help to disable the system and setup passwords.
  • Page 125 Item Connector Description PWRD_EN System configuration jumper (enabling or disabling the password settings) NVRAM_CLR System configuration jumper (retaining/ clearing configuration settings) Control panel (FIO) connector BBU_SIGNAL Battery Backup Unit (BBU) signal connector CPU1 Processor 1 A6, A12, A5, A11, A4, A10 Memory module sockets B3, B9, B2, B8, B1, B7 Memory module sockets...
  • Page 126: System Board Jumper Settings

    Figure 92. PEM board jumpers and connectors Table 15. PEM board jumpers and connectors Item Connector Description C7, C1, C8, C2, C9, C3 Memory module sockets CPU3 Processor 3 C6, C12, C5, C11, C4, C10 Memory module sockets J_MEZZ_A2 (CPU3) Mezzanine card (Fabric A2 card) connector D3, D9, D2, D8, D1, D7 Memory module sockets...
  • Page 127: Disabling Forgotten Password

    Table 16. System board jumper settings Jumper Setting Description PWRD_EN The BIOS password feature is enabled. The BIOS password feature is disabled. iDRAC local access is unlocked at next AC power cycle. iDRAC password reset is enabled in F2 iDRAC settings menu. NVRAM_CLR The BIOS configuration settings are retained at system boot.
  • Page 128: Technical Specifications

    • Ports and connectors specifications • Environmental specifications Sled dimensions Figure 93. Dimensions of the PowerEdge MX840c sled Table 17. Dimensions of the PowerEdge MX840c sled Z (handle closed) 250.2 mm (9.85 inches) 85.5 mm (3.37 inches) 618 mm (24.33 inches)
  • Page 129: Chassis Weight

    The PowerEdge MX840c sled supports up to four Intel Xeon Scalable Processors. Intel Quick Assist Technology The Intel® Quick Assist Technology (QAT) on the Dell EMC PowerEdge MX840c is supported with chipset integration and is enabled through an optional license. The license files are enabled on the sleds through iDRAC.
  • Page 130: Memory Specifications

    RDIMM 2666 LRDIMM 2666 NVDIMM 2666 The performance details of the PowerEdge MX840c is based on the quantity and type of DIMMs per memory channel. Table 21. DIMM performance details DIMM type DIMM ranking Capacity DIMM rated 1 DIMM per channel...
  • Page 131: Ports And Connectors Specifications

    Internal Dual SD Module The PowerEdge MX840c sled supports optional Internal Dual SD module (IDSDM). The IDSDM module is placed in the front of the sled, in a Dell-proprietary slot. The IDSDM module supports two MicroSD cards. The MicroSD cards capacity for IDSDM are 16, 32, 64 GB.
  • Page 132: Mezzanine Cards

    H745P (Internal) Memory: 8 GB x8 12 Gb SAS x8 PCIe 3.0/2.0 Mezzanine cards The PowerEdge MX840c sled supports: Table 24. Supported mezzanine cards Type Connection Two x16 PCIe Gen3 for mini mezzanine cards Connected to processor 2 and processor 4...
  • Page 133: Particulate And Gaseous Contamination Specifications

    Table 26. Relative humidity specifications Relative humidity Specifications Storage 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be non-condensing at all times. Operating 10% to 80% relative humidity with 29°C (84.2°F) maximum dew point. Table 27. Maximum vibration specifications Maximum vibration Specifications Operating...
  • Page 134: Standard Operating Temperature

    Table 31. Particulate contamination specifications Particulate contamination Specifications Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a 95% upper confidence limit. NOTE: This condition applies to data center environments only. Air filtration requirements do not apply to IT equipment designed to be used outside a data center, in environments such as an office or factory floor.
  • Page 135: Expanded Operating Temperature

    All fans which cool the MX840c are contained in the MX7000 chassis. Thermal management of PowerEdge MX840c delivers high performance for the right amount of cooling to components at the lowest fan speeds across a wide range of ambient temperatures from 10°C to 35°C (50°F to 95°F) and to extended ambient temperature ranges (see Environmental Specifications).
  • Page 136 Table 35. Thermal restrictions matrix Ambient support 25°C 30°C 35°C 40°C-45°C Expanded operating temperature Processor No restriction No restriction No restriction No support for 165 W processors and above DIMM No restriction No restriction No restriction No support for NVDIMM Drive No restriction No restriction...
  • Page 137: System Diagnostics And Indicator Codes

    System diagnostics and indicator codes The diagnostic indicators on the system front panel display system status during system startup. Topics: • System ID and status LED indicator codes • Power button LED • Drive indicator codes • Using system diagnostics System ID and status LED indicator codes The system ID indicator is located on the control panel of your sled.
  • Page 138: Power Button Led

    Power button LED The power button LED is located on the front panel of your sled. Figure 95. Power button LED Table 37. Power button LED Power button LED indicator code Condition Sled is not operating, regardless of power supply available. Sled is operating, one or more of the non-standby power supplies are active.
  • Page 139: Using System Diagnostics

    Drive status indicator code Condition NOTE: The drive status indicator remains off until all drives are initialized after the system is turned on. Drives are not ready for removal during this time. Flashes green, amber, and then turns off Predicted drive failure. Flashes amber four times per second Drive failed.
  • Page 140 The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. The diagnostics starts executing the tests on all the detected devices. System diagnostic controls Menu Description Configuration Displays the configuration and status information of all detected devices. Results Displays the results of all tests that are run.
  • Page 141: Getting Help

    The Contact Technical Support page is displayed with details to call, chat, or e-mail the Dell Global Technical Support team. Documentation feedback You can rate the documentation or write your feedback on any of our Dell EMC documentation pages and click Send Feedback to send your feedback.
  • Page 142: Accessing System Information By Using Qrl

    • Proactive contact — A Dell EMC Technical Support agent contacts you about the support case and helps you resolve the issue. The available benefits vary depending on the Dell EMC Service entitlement purchased for your device. For more information about SupportAssist, go to Dell.com/supportassist.
  • Page 143: Documentation Resources

    To view the document that is listed in the documentation resources table: • From the Dell EMC support site: Click the documentation link that is provided in the Location column in the table. Click the required product or product version.
  • Page 144 Dell OpenManage Essentials, see Essentials the Dell OpenManage Essentials User’s Guide. For information about installing and using Dell Dell.com/serviceabilitytools SupportAssist, see the Dell EMC SupportAssist Enterprise User’s Guide. For information about partner programs enterprise Dell.com/openmanagemanuals systems management, see the OpenManage Connections Enterprise Systems Management documents.

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