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Dell EMC PowerEdge R940xa Installation and Service Manual

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Removing the System Board

Prerequisites

CAUTION If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this system board, you must supply the recovery key when you restart your system or program before you can access the encrypted data on your drives.
CAUTION Do not attempt to remove the TPM plug-in module from the system board. Once the TPM plug-in module is installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be re-installed or installed on another system board.
  1. Follow the safety guidelines listed in Safety instructions.
  2. Follow the procedure listed in Before working inside your system.
  3. Remove the following:
    1. Support bar
    2. Air shrouds
    3. Cooling fan assembly
    4. Processor and heat sink module
    5. Processor
    6. Expansion card risers
    7. Expansion cards
    8. iDSDM/vFlash card
    9. Internal USB key
    10. USB 3.0 module(if installed)
    11. Memory modules
    12. Network daughter card

Steps

  1. Disconnect all cables from the system board.
    CAUTION Take care not to damage the system identification button while removing the system board from the system.
    NOTE Do not remove the power interposer board cable from the risers.
    CAUTION Do not lift the system board by holding a memory module, processor, or other components.
  2. Pull the system board plungers and slide the system board towards the front of the system to release the system board from the chassis.
  3. Incline the system board at an angle, and lift the system board out of the system.
    Figure 1. Removing the system board

    Removing the system board

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