Removing and replacing the system board

Prerequisites
If HPE Persistent Memory modules are installed in the server and are encrypted with local key management, do one of the following:
  • Manually retrieve the HPE Persistent Memory module passwords from the server (user-generated passwords only)

  • Export a password file to a USB key.

    Hewlett Packard Enterprise recommends exporting the password file to a USB key.

For more information, see the HPE Persistent Memory User Guide on the Hewlett Packard Enterprise website (https://www.hpe.com/info/persistentmemory-docs).

Procedure
  1. Power down the server (Power down the server).
  2. Remove all power.
    1. Disconnect each power cord from the power source.
    2. Disconnect each power cord from the server.
  3. Do one of the following:
  4. Remove the access panel (Removing the access panel).
  5. If installed, do the following:
    1. Remove the air baffle (Removing and replacing the air baffle).
    2. Remove the processor mezzanine tray (Removing and replacing the processor mezzanine tray).
    3. Remove the CPU Mezzanine UPI performance kit (Removing and replacing the CPU Mezzanine UPI performance kit).
  6. Remove the fan cage (Removing and replacing the fan cage).
  7. Remove the smart storage batteries (Removing and replacing an energy pack).
  8. Remove the PCIe riser cages (Removing and replacing a PCIe riser cage).
  9. Remove the FlexLOM (Removing and replacing the FlexibleLOM).
  10. Disconnect all cables connected to the system board.
  11. Remove the system board:
    1. Remove the screws from the side of the server.
    2. Loosen the thumbscrew.
    3. Slide the system board toward the front of the server, and then lift it from the server.

Replacing the system board

  1. Install the spare system board.
    Installing the system board
  2. IMPORTANT: Install all components with the same configuration that was used on the failed system board.
    Install all components removed from the failed system board.

    Be sure to install the DIMMs and HPE Persistent Memory modules in the same DIMM slots as the failed system board.


  3. Install the fan cage.
  4. If removed, do the following:
    1. Install the air baffle.
    2. Install the processor mezzanine tray.
    3. Install the CPU Mezzanine UPI performance kit.
  5. Install the access panel.
  6. Install the server into the rack.
  7. Connect the power cord to the power supply.
    CAUTION:

    Connect the power cords using only the following supported configurations. Using an unsupported power supply or cabling configuration can result in an unexpected loss of system power.

    • Two power supply configuration—For redundancy, connect power supplies 1 and 2 to separate AC power circuits.

    • Four power supply configuration—For redundancy, connect power supplies 1 and 2 to power circuit A, and then connect power supplies 3 and 4 to power circuit B.

  8. Power up the server.
  9. Ensure all firmware, including option cards and embedded devices, is updated to the same versions to ensure that the latest drivers are being used.
  10. Re-enter any Secure Boot Keys that were previously added in the Secure Boot configuration.
  11. Re-enter the server serial number and the product ID (Re-entering the server serial number and product ID).
  12. Set the server power supply requirements (Setting the server power supply requirements).

  13. Review the persistent memory configuration of the server.
  14. Do one of the following:
    • If HPE Persistent Memory modules are encrypted with local key management, either manually enter the HPE Persistent Memory module passwords in the System Utilities or import the password file from the USB key.

    • If HPE Persistent Memory modules are encrypted with remote key management, enroll the server iLO in the key management server to provide access to the data on the HPE Persistent Memory modules.

    For more information, see the HPE Persistent Memory User Guide on the Hewlett Packard Enterprise website (https://www.hpe.com/info/persistentmemory-docs).