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Dell EMC PowerEdge R940 Installation And Service Manual
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Dell EMC PowerEdge R940 Installation And Service Manual

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Dell EMC PowerEdge R940
Installation and Service Manual
Regulatory Model: E41S Series
Regulatory Type: E41S001
June 2021
Rev. A16

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Summary of Contents for Dell EMC PowerEdge R940

  • Page 1 Dell EMC PowerEdge R940 Installation and Service Manual Regulatory Model: E41S Series Regulatory Type: E41S001 June 2021 Rev. A16...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017 - 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: PowerEdge R940 overview................... 7 Supported configurations for the PowerEdge R940....................7 Front view of the system..............................8 Left control panel view............................... 10 Right control panel...............................13 Back view of the system..............................14 NIC indicator codes..............................15 Power supply unit indicator codes........................... 16 Drive indicator codes.................................18 LCD panel.....................................18 Viewing Home screen..............................19...
  • Page 4 Installing the cooling fan.............................41 Fan cage....................................42 Removing the fan cage.............................. 42 Installing the fan cage..............................43 Removing the fan tray..............................44 Installing the fan tray..............................45 Intrusion switch................................. 46 Removing an intrusion switch..........................46 Installing an intrusion switch.............................47 Drives....................................48 Removing a drive blank.............................. 48 Installing a drive blank..............................
  • Page 5 Removing the left control panel..........................124 Installing the left control panel..........................125 Chapter 5: System diagnostics....................127 Dell Embedded System Diagnostics..........................127 Running the Embedded System Diagnostics from Boot Manager..............127 Running the Embedded System Diagnostics from the Dell Lifecycle Controller........127 Contents...
  • Page 6 System board jumper settings............................132 Disabling forgotten password............................132 Chapter 7: Getting help......................134 Recycling or End-of-Life service information......................134 Contacting Dell EMC...............................134 Documentation feedback...............................135 Accessing system information by using QRL......................135 Quick Resource Locator for PowerEdge R940 system..................135 Receiving automated support with SupportAssist ....................135...

  • Page 7: Chapter 1: Poweredge R940 Overview

    The PowerEdge R940 system supports hot swappable hard drives. NOTE: The PowerEdge R940 system is also available in a diskless (no backplane) configuration. For more information, see the Dell EMC PowerEdge R940 Technical Specifications on the product documentation page. Topics: •...

  • Page 8: Front View Of The System

    Figure 1. Supported configurations for the PowerEdge R940 Front view of the system You can access the following components from the front of the system: PowerEdge R940 overview...
  • Page 9 Figure 2. Front view of 24 x 2.5-inch drive system Table 2. Features available on the front view of 24 x 2.5-inch drive system Item Component Icon Description Left control panel Contains the system health and system ID, status LED, and the iDRAC Quick Sync 2 (wireless) indicator.

  • Page 10: Left Control Panel View

    For the 8 x 2.5-inch drive system, a drive bay blank is installed in the hard drive slots 8 - 23. For more information, see the Dell EMC PowerEdge R940 Technical Specifications on the product documentation page. Left control panel view Figure 4.
  • Page 11 Table 4. Left control panel (continued) Item Indicator, button, or Icon Description connector mobile device. For more information, see the Integrated Dell Remote Access Controller User's Guide at www.dell.com/ poweredgemanuals Status LED indicators NOTE: The indicators display solid amber if any error occurs.
  • Page 12 For information about the event and error messages generated by the system firmware and agents that monitor system components, go to qrl.dell.com > Look Up > Error Code, type the error code, and then click Look it up..

  • Page 13: Right Control Panel

    If the problem persists, see the Getting help section. For more information, see Integrated Dell Remote Access Controller User's Guide www.dell.com/poweredgemanuals Dell OpenManage Server Administrator User’s Guide at https://www.dell.com/ openmanagemanuals.

  • Page 14: Back View Of The System

    Table 8. Right control panel (continued) Item Button or port Icon Description information, see the Integrated Dell Remote Access Controller User's Guide at www.dell.com/poweredgemanuals. USB ports The USB ports are 9-pin, USB 3.0-compliant. These ports enable you to connect USB devices to the system.

  • Page 15: Nic Indicator Codes

    CMA is installed. For more information, see the Dell EMC PowerEdge R940 Technical Specifications on the product documentation page. NIC indicator codes Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED indicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.

  • Page 16: Power Supply Unit Indicator Codes

    Table 11. NIC indicator codes Status Condition Link and activity indicators are off. The NIC is not connected to the network. Link indicator is green, and activity indicator is blinking The NIC is connected to a valid network at its maximum port speed, green.
  • Page 17 Table 12. AC PSU status indicator codes (continued) Power indicator codes Condition and unexpected system shutdown. To change from a high output configuration to a low output configuration or vice versa, you must turn off the system. CAUTION: AC PSUs support both 240 V and 120 V input voltages with the exception of Titanium PSUs, which support only 240 V.

  • Page 18: Drive Indicator Codes

    The LCD panel can also be used to configure or view the system’s iDRAC IP address. For information about the event and error messages generated by the system firmware and agents that monitor system components, go to qrl.dell.com > Look Up > Error Code, type the error code, and then click Look it up..

  • Page 19: Viewing Home Screen

    NOTE: If the system is connected to a power source and an error is detected, the LCD turns amber regardless of whether the system is turned on or off. ● When the system turns off and there are no errors, LCD enters the standby mode after five minutes of inactivity. Press any button on the LCD to turn it on.

  • Page 20: View Menu

    LCD message with an SEL entry. Select Simple to view LCD error messages in a simplified user-friendly description. For more information about error messages, see the Dell Event and Error Messages Reference Guide at https://www.dell.com/ openmanagemanuals.

  • Page 21: System Information Label

    System information label Figure 15. PowerEdge R940 system touch points PowerEdge R940 overview...
  • Page 22 Figure 16. PowerEdge R940 system board information Figure 17. PowerEdge R940 memory information Figure 18. PowerEdge R940 Processor Expansion Module (PEM) information PowerEdge R940 overview...
  • Page 23 Figure 19. PowerEdge R940 jumper settings PowerEdge R940 overview...

  • Page 24: Chapter 2: Documentation Resources

    This section provides information about the documentation resources for your system. To view the document that is listed in the documentation resources table: ● From the Dell EMC support site: 1. Click the documentation link that is provided in the Location column in the table.
  • Page 25 Methods to download firmware and drivers section in this document. Managing your system For information about system management https://www.dell.com/poweredgemanuals software offered by Dell, see the Dell OpenManage Systems Management Overview Guide. For information about setting up, using, and www.dell.com/openmanagemanuals >...

  • Page 26: Chapter 3: Initial System Setup And Configuration

    For more information about setting up your system, see the Getting Started Guide that shipped with your system. For information on how to manage basic settings and features of the system, see the Dell EMC PowerEdge R940 BIOS and UEFI Reference Guide on the product documentation page.

  • Page 27: Log In To Idrac

    Ensure that you change the default username and password after setting up the iDRAC IP address. For more information about logging in to the iDRAC and iDRAC licenses, see the latest Integrated Dell Remote Access Controller User's Guide at www.dell.com/poweredgemanuals.

  • Page 28: Downloading Drivers And Firmware

    Using iDRAC virtual media www.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. Prerequisites Ensure that you clear the web browser cache before downloading the drivers and firmware.

  • Page 29: Chapter 4: Installing And Removing System Components

    Installing and removing system components Topics: • Safety instructions • Before working inside your system • After working inside your system • Recommended tools • Optional front bezel • System cover • Inside the system • Air shroud • Cooling fans •...

  • Page 30: Before Working Inside Your System

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product. NOTE: It is recommended that you always use an antistatic mat and antistatic strap while working on components inside the system.

  • Page 31: Optional Front Bezel

    Optional front bezel Removing the optional front bezel Prerequisites Follow the safety guidelines listed in Safety instructions on page 29. Steps 1. Unlock the bezel by using the bezel key. 2. Press the release button, and pull the left end of the bezel. 3.

  • Page 32: System Cover

    4. Lock the bezel by using the key. Figure 21. Installing the optional front bezel with the LCD panel System cover Removing the system cover Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Power off the system, including any attached peripherals. 3.

  • Page 33: Installing The System Cover

    Figure 22. Removing the system cover Next steps Installing the system cover. Installing the system cover Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system. Steps 1.

  • Page 34: Inside The System

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
  • Page 35 Figure 24. Inside the system — Two processor system 1. hard drive/SSD backplane with expander board 2. cooling fan (8) 3. heat sink (CPU1) 4. storage controller card 5. network daughter card riser 6. system board 7. heat sink (CPU2) 8.
  • Page 36 Figure 25. Inside the system — Four processor system with processor expansion module (PEM) 1. hard drive/SSD backplane with expander board 2. cooling fan (8) 3. air shroud 4. heat sink (CPU3) 5. left expansion card riser 6. storage controller card 7.

  • Page 37: Air Shroud

    Air shroud Removing the air shroud 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. 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 38: Installing The Air Shroud

    Figure 27. Removing the air shroud — Four processor system Next steps Install the air shroud. Installing the air shroud Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.
  • Page 39 Figure 28. Installing the air shroud — Two processor system 2. To install the air shroud in a four processor configuration system: a. Align the slots on the air shroud with the tabs on the processor expansion module (PEM) handle. b.

  • Page 40: Cooling Fans

    Figure 29. Installing the air shroud — Four processor system Next steps 1. Follow the procedure listed in After working inside your system on page 30. Cooling fans Removing the cooling fan Prerequisites WARNING: Do not drop the fan into the fan cage while removing or installing the fan as this may cause damage to the connectors on the fan tray.

  • Page 41: Installing The Cooling Fan

    Figure 30. Removing the cooling fan Next steps Install the cooling fan. Installing the cooling fan Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 42: Fan Cage

    Figure 31. Installing the cooling fan Next steps 1. Follow the procedure listed in After working inside your system. Fan cage Removing the fan cage Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 43: Installing The Fan Cage

    Figure 32. Removing the fan cage Next steps Install the fan cage. Installing the fan cage Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 44: Removing The Fan Tray

    Figure 33. Installing the fan cage Next steps 1. Follow the procedure listed in After working inside your system on page 30. Removing the fan tray Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 45: Installing The Fan Tray

    Figure 34. Removing the fan tray Next steps Install the fan tray. Installing the fan tray Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 46: Intrusion Switch

    Figure 35. Installing the fan tray Next steps 1. Route the fan power cables and the backplane cables through the cable clips on the fan tray and connect the cables to the connectors on the system board. 2. If applicable, lower the PEM by using PEM handle until the PEM clicks in place. 3.

  • Page 47: Installing An Intrusion Switch

    3. Press the tab on the intrusion switch cable connector and disconnect the cable connected to the intrusion switch connector (INTRUSION) on the system board. 4. Remove the cables routed through the cable routing hooks on the right side of the system. 5.

  • Page 48: Drives

    Figure 37. Installing an intrusion switch Next steps 1. Lift the sides of the fan tray until the blue release tabs click in place. Install the PEM. 3. If removed, install the expansion card risers. Install the air shroud. Install the fan cage.

  • Page 49: Installing A Drive Blank

    Figure 38. Removing a drive blank Next steps Install a drive drive blank. Installing a drive blank Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. CAUTION: Mixing drive blanks from previous generations of PowerEdge servers is not supported. Steps Insert the drive blank into the drive slot, and push the blank until the release button clicks into place.

  • Page 50: Installing A Drive Carrier

    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. CAUTION: Mixing drives from previous generations of PowerEdge servers is not supported. CAUTION: To prevent data loss, ensure that your operating system supports drive installation.

  • Page 51: Removing The Drive From The Drive Carrier

    CAUTION: When a replacement hot swappable drive is installed and the system is powered on, the drive automatically begins to rebuild. Ensure that the replacement drive is blank or contains data that you wish to overwrite. Any data on the replacement drive is immediately lost after the drive is installed. 1.

  • Page 52: Installing A Drive Into The Drive Carrier

    2. Lift the drive out of the drive carrier. Figure 42. Removing the drive from the drive carrier Next steps Install the drive into the drive carrier. Installing a drive into the drive carrier Prerequisites Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 53: Drive Backplane

    Figure 43. Installing a drive into the drive carrier Drive backplane Drive backplane connectors Depending on the configuration, your system supports the following backplanes: Table 19. Supported drive backplane options for the PowerEdge R940 system Backplane Description 8 x 2.5 inch drive backplane Up to eight 2.5 inch (SAS, SATA or Nearline SAS) front accessible drives in slots 0 through 7 24 x 2.5 inch drive backplane...
  • Page 54 Figure 44. Connectors on the 24 x 2.5 inch drive backplane 1. PCIe connector (BP PCIE B0) 2. PCIe connector (BP PCIE A0) 3. PCIe connector (BP PCIE B1) 4. PCIe connector (BP PCIE A1) 5. PCIe connector (BP PCIE B2) 6.

  • Page 55: Removing Drive Backplane

    Figure 46. Connectors on the 8 x 2.5 inch drive backplane 1. SAS connector (BP SAS B) 2. SAS connector (BP SAS A) 3. power connector (BP PWR) 4. signal connector (BP SIG) Removing drive backplane Prerequisites CAUTION: To prevent damage to the drives and backplane, remove the hard drives from the system before removing the backplane.
  • Page 56 Figure 47. Removing the 2.5-inch (x24) drive backplane 2. To remove the 2.5-inch (x8) drive backplane: a. Disconnect all the cables connected to the drive backplane. b. Press the release tab on the drive backplane. c. Lift the backplane away from the system until the hooks on the system disengage from the slots on the backplane. Installing and removing system components...

  • Page 57: Installing Drive Backplane

    Figure 48. Removing the 2.5-inch (x8) drive backplane Next steps Install the drive backplane. Installing drive backplane Prerequisites Follow the safety guidelines listed in Safety instructions on page 29. Steps 1. To install the 2.5-inch (x24) drive backplane: a. Holding the release latches, align the hooks on the system with the slots on the drive backplane. b.
  • Page 58 Figure 49. Installing the 2.5-inch (x24) drive backplane 2. To install the 2.5-inch (x8) drive backplane: a. Align the hooks on the system with the slots on the drive backplane. b. Lower the backplane into the system until the hooks on the system engage with the slots on the backplane. Installing and removing system components...
  • Page 59 Figure 50. Installing the 2.5-inch (x8) drive backplane Next steps 1. Connect all the cables to the drive backplane. Install the fan cage. Install the drives. 4. If removed, install the front bezel. 5. Follow the procedure listed in After working inside your system on page 30.

  • Page 60: Cable Routing

    Cable routing Figure 51. Cable routing – 8 x 2.5 inch hard drive backplane 1. 8 x 2.5 inch hard drive backplane 2. backplane power cable (BP: BP PWR to MB) 3. backplane signal cable (BP: BP SIG to MB) 4.
  • Page 61 7. storage controller card (slot 1) Figure 53. Cable routing – 24 x 2.5 inch hard drive backplane 1. 24 x 2.5 inch hard drive backplane with expander board 2. backplane power cable A (BP: BP PWR_A to MB) 3. backplane signal cable (BP: BP SIG to MB) 4.
  • Page 62 Figure 54. Cable routing – 24 x 2.5 inch hard drive backplane with PERC 1. expander board 2. SAS cable (BP: BP SAS A1, BP SAS B1 to RAID controller) 3. 24 x 2.5 inch hard drive backplane 4. backplane power cable A (BP: BP PWR_A to MB) 5.

  • Page 63: System Memory

    Figure 55. Cable routing – 24 x 2.5 inch hard drive backplane with NVMe cards 1. 24 x 2.5 inch hard drive backplane with expander board 2. backplane power cable A (BP: BP PWR_A to MB) 3. PCIe cable (BP: BP PCIE B2, BP PCIE A2 to RAID controller)4. backplane signal cable (BP: BP SIG to MB) 5.
  • Page 64 Figure 56. Memory socket location Installing and removing system components...

  • Page 65: General Memory Module Installation Guidelines

    Figure 57. Memory socket location on the processor expansion module Memory channels are organized as follows: Table 20. Memory channels Proce Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 ssor Proces Slots A1 and A7 Slots A2 and A8 Slots A3 and A9 Slots A4 and A10 Slots A5 and A11...

  • Page 66: Nvdimm-N Memory Module Installation Guidelines

    ● All slots on configurations 3, 6, 9, and 12 can be used, but a maximum of 12 NVDIMM-Ns can be installed in a system. NOTE: NVDIMM-N memory slots are not hot-pluggable. For more information about the supported NVDIMM-N configurations, see the NVDIMM-N User Guide at www.dell.com/ poweredgemanuals. Installing and removing system components...
  • Page 67 Table 21. Supported NVDIMM-N for dual processor configurations Configuration Description Memory population rules RDIMMs NVDIMM-N Configuration 1 12x 16 GB RDIMMs, 1x Processor1 {A7} Processor1 {A1, 2, 3, 4, 5, 6} NVDIMM-N Processor2 {B1, 2, 3, 4, 5, 6} Configuration 2 12x 32 GB RDIMMs, 1x Same for all 12x Processor1 {A7}...
  • Page 68 Table 21. Supported NVDIMM-N for dual processor configurations (continued) Configuration Description Memory population rules RDIMMs NVDIMM-N Configuration 14 12x 32 GB RDIMMs, 12x Same for all 12x Processor1 {A7, 8, 9, 10, 11, NVDIMM-Ns RDIMM configurations. See Configuration 1. Processor2 {B7, 8, 9, 10, 11, Table 22.

  • Page 69: Pmem Installation Guidelines

    Table 22. Supported NVDIMM-N for quad processor configurations (continued) Memory population rules Configuration Description RDIMMs NVDIMM-N Processor3 {C1, 2, 3, 4, 5, 6} Processor4 {D1, 2, 3, 4, 5, 6} Configuration 9 44x 32 GB RDIMMs, 4x Processor1 {A1, 2, 3, 4, 5, 6, 7, Processor1 {A11, 12}, NVDIMM-Ns 8, 9, 10},...
  • Page 70 ● Mixing different capacities of RDIMMs and LRDIMMs are not allowed when PMem is installed. ● PMems of different capacities are not allowed. For more information about the supported PMem configurations, see the Dell EMC PMem User 's Guide at https:// www.dell.com/support/home/products/server_int/server_int_poweredge.
  • Page 71 Table 23. 2 socket PMem configurations (continued) No. of PMem DRAM DRAM PMem Operating Total Total Ratio Requires Supported Supported CPUs Popul Popul Capac Capac system Memo Memo DRAM to an M or L in App in Memory in the ation ation Memory in...

  • Page 72: Mode-Specific Guidelines

    Table 24. 4 socket PMem configurations (continued) No. of PMem DRAM DRAM PMem Operati Total Total Ratio Require Support Support CPUs in Populat Populat Capacit Capacit Memory Memory DRAM s an M ed in ed in ionn y (GB) y (GB) system (GB) or L...

  • Page 73: Removing A Memory Module

    Dell Fault Resilient Mode The Dell Fault Resilient Mode if enabled, the BIOS creates an area of memory that is fault resilient. This mode can be used by an OS that supports the feature to load critical applications or enables the OS kernel to maximize system availability.

  • Page 74: Installing A Memory Module

    WARNING: Allow the memory modules to cool after you power off the system. Handle the memory modules by the card edges and avoid touching the components or metallic contacts on the memory module. CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that is not occupied.

  • Page 75: 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. 2. Open the ejectors on the memory module socket outward to allow the memory module to be inserted into the socket. 3.

  • Page 76: Removing The Processor From The Processor And Heat Sink Module

    NOTE: When using a four processor system, ensure to follow step 3 only if you have to remove the processors installed on the system board. Steps 1. Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below: a.

  • Page 77: Installing The Processor Into A Processor And Heat Sink Module

    Figure 61. Loosening the processor bracket 4. Lift the bracket and the processor away from the heat sink, and place the processor connector side down on the processor tray. 5. 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 78 Steps 1. 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. 2. Flex the outer edges of the bracket around the processor ensuring that the processor is locked into the clips on the bracket. NOTE: Ensure that the pin 1 indicator on the bracket is aligned with the pin 1 indicator on the processor before placing the bracket on the processor.
  • Page 79 Figure 64. Applying thermal grease on top of the processor 5. 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 80: Installing A Processor And Heat Sink Module

    Figure 65. Installing the heat sink onto the processor Next steps Install the processor and heat sink module. Install the air shroud. 3. Follow the procedure listed in After working inside your system on page 30. Installing a processor and heat sink module Prerequisites CAUTION: Never remove the heat sink from a processor unless you intend to replace the processor.

  • Page 81: Processor Expansion Module

    a. Partially tighten the first screw (approximately 3 turns). b. Tighten the second screw completely. c. Return to the first screw and tighten it completely. If the PHM slips off the blue retention clips when the screws are partially tightened, follow these steps to secure the PHM: a.

  • Page 82: Installing The Pem

    Figure 67. Removing the PEM Next steps Install the PEM. Installing the PEM Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. Steps 1.
  • Page 83 Figure 68. Installing the PEM Next steps Install the expansion card risers. Install the air shroud. 3. Follow the procedure listed in After working inside your system on page 30. Installing and removing system components...

  • Page 84: Upi Cable Routing

    UPI cable routing Figure 69. Cable routing - Four processor system 1. PEM 2. system board 3. UPI cable connecting RM_UPI_C connectors on system board and PEM 4. UPI cable connecting RM_UPI_A connectors on system board and PEM 5. UPI cable connecting RM_UPI_B connectors on system board and PEM 6.

  • Page 85: Pem Power Board

    Figure 70. Cable routing - Two processor system 1. system board 2. UPI cable connecting RM_UPI_A and RM_UPI_D connectors on system board 3. UPI cable connecting RM_UPI_C and RM_UPI_B connectors on system board NOTE: This is only applicable for using Intel Processor 61xx, 62xx, 81xx and 82xx series. PEM power board Removing the PEM power board Prerequisites...

  • Page 86: Installing The Pem Power Board

    Figure 71. Removing the PEM power board Next steps Install the PEM power board. Installing the PEM power board Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 87: Expansion Cards And Expansion Card Risers

    Figure 72. Installing the PEM power board Next steps 1. Holding the PEM handle, lower the PEM until it firmly seats in place. Install the air shroud. 3. Follow the procedure listed in After working inside your system on page 30. Expansion cards and expansion card risers Expansion card installation guidelines Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:...
  • Page 88 H830) NVMe PCIe storage PM17 Series 5, 4, 3, 7, 2, 6, 1 (Samsung/Dell/Intel) NVMe PCIe storage P4800X (Dell/Intel) 5, 4, 3, 2, 6, 1 40 Gb (x8) NIC (Intel/Mellanox) 5, 1, 6, 2, 4, 3, 7 FC32 HBA (Emulex/QLogic)
  • Page 89 NVMe PCIe storage PM17 Series 5, 8, 11, 4, 9, 12, 3, 7, 10, 13 (Samsung/Dell/Intel) NVMe PCIe storage P4800X (Dell/Intel) 5, 8, 11, 4, 9, 12, 3, 10, 13 NVMe PCIe Storage P4500/P4600 5, 8, 11, 4, 9, 12, 3, 7, 10, 13...

  • Page 90: Removing Expansion Card Riser Blank

    Removing expansion card riser blank Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. Steps Hold the expansion card riser blank and lift the blank out of the system. NOTE: When you upgrade your system from two processor configuration to four processor, ensure that you remove the riser blanks from the system.

  • Page 91: Removing The Expansion Card Riser

    Figure 74. Installing expansion card riser blank (right) Next steps Follow the procedure listed in After working inside your system on page 30. Removing the expansion card riser Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2.
  • Page 92 Figure 75. Removing expansion card riser (right) Figure 76. Removing expansion card riser (left) Next steps Install the expansion card riser. Installing and removing system components...

  • Page 93: Installing The Expansion Card Riser

    Installing the expansion card riser Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. Steps 1. Align the guide rail on the side of the riser with the slot on the side of the chassis and lower the riser into the system. 2.

  • Page 94: Removing The Expansion Card From Expansion Card Riser

    Figure 78. Installing expansion card riser (left) Next steps 1. Connect the cables to the expansion card. 2. Follow the procedure listed in After working inside your system on page 30. Removing the expansion card from expansion card riser Prerequisites 1.

  • Page 95: Installing Expansion Card Into Expansion Card Riser

    Figure 79. Removing the expansion card from expansion card riser Next steps Install the expansion card into expansion card riser. 2. If you are removing the card permanently, install a metal filler bracket over the empty expansion slot opening and lower the PCIe card latch to lock the bracket in place.

  • Page 96: M.2 Ssd Module

    NOTE: This step is applicable only if you are installing the expansion cards in the slots 12 and 13 of Riser 3 (IO_RISER3) and slots 9 and 10 of Riser 2(IO_RISER2). 5. Close the PCIe card latch. Figure 80. Installing expansion card into expansion card riser Next steps Install the expansion card riser.

  • Page 97: Installing The M.2 Ssd Module

    Figure 81. Removing the M.2 SSD module Next steps Install the M.2 SSD module. Installing the M.2 SSD module Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 98: Network Daughter Card Riser

    Figure 82. Installing the M.2 SSD module Next steps 1. Install the BOSS card. NOTE: Installing the BOSS card is similar to installing the expansion card riser. Install the air shroud. 3. Follow the procedure listed in After working inside your system on page 30.

  • Page 99: Installing The Ndc Riser

    Figure 83. Removing the NDC riser Next steps Install the NDC riser. Installing the NDC riser Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 100: Network Daughter Card

    Figure 84. Install the NDC riser Next steps 1. Connect the cables to the NDC riser. 2. Follow the procedure listed in After working inside your system on page 30. Network daughter card Removing the NDC Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 101: Installing The Ndc

    Figure 85. Removing the NDC Next steps Install the NDC. Installing the NDC Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. Steps 1.

  • Page 102: Storage Controller Card

    Figure 86. Installing the NDC Next steps Install the NDC riser. 2. Follow the procedure listed in After working inside your system on page 30. Storage controller card Removing the storage controller card Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 103: Installing The Storage Controller Card

    Figure 87. Removing the storage controller card Next steps Install the storage controller card. Installing the storage controller card Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 104: Optional Idsdm Or Vflash Module

    Figure 88. Installing the storage controller card Next steps Install the NDC riser. 2. Follow the procedure listed in After working inside your system on page 30. Optional IDSDM or vFlash module Removing the MicroSD card Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 105: Installing The Microsd Card

    Figure 89. Removing the MicroSD card Next steps Install a MicroSD card. Installing the MicroSD card Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30.

  • Page 106: Optional Idsdm Or Vflash Module

    Figure 90. Installing the MicroSD card Next steps 1. Follow the procedure listed in After working inside your system on page 30. Optional IDSDM or vFlash module Removing the optional IDSDM module Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 107: Installing Optional Idsdm Module

    Figure 91. Removing the optional IDSDM module NOTE: There are two dip switches on the IDSDM module for write-protection. Next steps Install the optional IDSDM module. Installing optional IDSDM module Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29.

  • Page 108: Power Supply Unit

    ● If the load on the active PSU falls below 20 percent of PSU rated power wattage, then the redundant PSU is switched to the sleep state. You can configure the hot spare feature by using the iDRAC settings. For more information, see the iDRAC User’s Guide available at Dell.com/idracmanuals. Removing a power supply unit blank Prerequisites...

  • Page 109: Installing A Power Supply Unit Blank

    Steps If you are installing a second power supply unit, remove the power supply unit blank in the bay by pulling the blank outward. CAUTION: To ensure proper system cooling, the power supply unit blank must be installed in the second power supply unit bay in a non-redundant configuration.

  • Page 110: Installing A Power Supply Unit

    PSU handle. 3. Unlatch and lift the optional cable management arm if it interferes with the PSU removal. For information about the cable management arm, see the system’s rack documentation at www.dell.com/ poweredgemanuals. Steps Press the orange release latch and slide the PSU out of the system by using the PSU handle.

  • Page 111: Wiring Instructions For A Dc Power Supply Unit

    DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product. CAUTION: Wire the unit with copper only, unless otherwise specified, use only 10 American Wire Gauge (AWG) wire rated minimum 90ºC for source and return.

  • Page 112: Nvdimm-N Battery

    Kit contents ● Dell part number 6RYJ9 terminal block or equivalent (1) ● #6-32 nut equipped with lock washer (1) Required tools Wire-stripper pliers capable of removing insulation from size 10 AWG solid or stranded, insulated copper wire. NOTE: Use alpha wire part number 3080 or equivalent (65/30 stranding).

  • Page 113: Installing Nvdimm-N Battery

    Figure 97. Removing the NVDIMM-N battery Next steps Install the NVDIMM-N battery. Installing NVDIMM-N battery Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. CAUTION: NVDIMM-N battery is not hot swappable.
  • Page 114 Figure 98. Installing NVDIMM-N battery Next steps Follow the procedure listed in After working inside your system on page 30. Installing and removing system components...

  • Page 115: Nvdimm Battery Cable Routing

    NVDIMM battery cable routing Figure 99. Cable routing – NVDIMM battery cables 1. NVDIMM battery 2. battery cable connecting J_NVDIMM_BATT connector on the system board 3. batter power cable connecting BATT_PWR connector on the system board NOTE: For information about system board connectors, see System board jumpers and connectors on page 129.

  • Page 116: Optional Internal Usb Memory Key

    2. Use a plastic scribe to pry out the system battery as shown in the illustration below. Figure 100. Removing the system battery 3. To install a new system battery, hold the battery with the positive side facing up and slide it under the securing tabs. 4.

  • Page 117: System Board

    Next steps 1. Follow the procedure listed in After working inside your system on page 30. 2. While booting, press F2 to enter System Setup and verify that the system detects the USB memory key. System board Removing the system board Prerequisites CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted...

  • Page 118: Installing The System Board

    Figure 102. Removing system board Next steps Install the system board. Installing the system board Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 29. 2. Follow the procedure listed in Before working inside your system on page 30. Steps 1.
  • Page 119 Figure 103. Installing system board Next steps 1. Replace the following: Trusted Platform Module (TPM) NOTE: The TPM plug-in module is attached to the system board and cannot be removed. A replacement TPM plug-in module will be provided for all system board replacements where a TPM plug-in module was installed. b.

  • Page 120: Trusted Platform Module

    Re-enable the Trusted Platform Module (TPM). For more information, see the Upgrading the Trusted Platform Module section. 5. Import your new or existing iDRAC Enterprise license. For more information, see Integrated Dell Remote Access Controller User's Guide, at www.dell.com/poweredgemanuals. Entering the system Service Tag by using System Setup If Easy Restore fails to restore the Service Tag, use System Setup to enter the Service Tag.
  • Page 121 NOTE: ● Ensure that your operating system supports the version of the TPM module being installed. ● Ensure that you download and install the latest BIOS firmware on your system. ● Ensure that the BIOS is configured to enable UEFI boot mode. About this task CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted...

  • Page 122: Initializing Tpm For Bitlocker Users

    Initializing TPM for BitLocker users Steps Initialize the TPM. For more information, see https://technet.microsoft.com/en-us/library/cc753140.aspx. The TPM Status changes to Enabled, Activated. Initializing the TPM 1.2 for TXT users Steps 1. While booting your system, press F2 to enter System Setup. 2.

  • Page 123: Installing The Right Control Panel

    NOTE: Ensure that you note the routing of the cables as you remove them from the system board. You must route the cables properly when you replace them to prevent the cables from being pinched or crimped. 7. Press the blue release tabs on the fan tray and lower the sides of the tray. Steps 1.

  • Page 124: Removing The Left Control Panel

    4. Align the control panel with the control panel slot on the system and attach the control panel to the system. 5. Connect the control panel cable connector on the system board. 6. Using a Torx #T30 screwdriver, install the screws that secure the control panel to the system. Figure 106.

  • Page 125: Installing The Left Control Panel

    Steps 1. Holding the pull tab, disconnect the control panel cable from the connector on the system board. 2. Using a Torx #T30 screwdriver, remove the screws that secure the left control panel to the system. 3. Holding the control panel by its sides, remove the control panel away from the system. Figure 107.
  • Page 126 Figure 108. Installing left control panel Next steps 1. Lift the sides of the fan tray until the blue release tabs click in place. 2. If removed, install the expansion card risers. 3. If removed, install the PEM. Install the air shroud.

  • Page 127: Chapter 5: System Diagnostics

    System diagnostics If you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. The purpose of running system diagnostics is to test your system hardware without using additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
  • Page 128 Menu Description Results Displays the results of all tests that are run. System health Provides the current overview of the system performance. Event log Displays a time-stamped log of the results of all tests run on the system. This is displayed if at least one event description is recorded.

  • Page 129: Chapter 6: Poweredge R940 Jumpers And Connectors

    PowerEdge R940 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 system board or PEM board. Jumpers on the system board help to disable the system and setup passwords.
  • Page 130 Table 29. System board jumpers and connectors Item Connector Description J_PEM_PWR_R Right PEM power board connector B7, B1, B8, B2, B9, B3 Memory module sockets FAN_MOD2 Fan module cable connector B6, B12, B5, B11, B4, B10 Memory module sockets A7, A1, A8, A2, A9, A3 Memory module sockets J_BP_P1 Backplane 1 power connector...
  • Page 131 Table 29. System board jumpers and connectors (continued) Item Connector Description RM_UPI_D UPI cable connector "D" RM_UPI_B UPI cable connector "B" CPU2 CPU2 processor heat sink module socket Figure 110. Processor expansion module (PEM) connectors Table 30. Processor expansion module (PEM) connectors Item Connector Description...

  • Page 132: System Board Jumper Settings

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
  • Page 133 NOTE: If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new password(s) the next time it boots. 5. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals. 6.

  • Page 134: Chapter 7: Getting Help

    Dell EMC product catalog. Availability varies by country and product, and some services may not be available in your area. To contact Dell EMC for sales,...

  • Page 135: Documentation Feedback

    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. Accessing system information by using QRL You can use the Quick Resource Locator (QRL) located on the information tag in the front of the system, to access the information about the PowerEdge system.
  • Page 136 ● 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 www.dell.com/supportassist.

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