Dell EMC PowerEdge M640 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:
    • CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
    1. Processor(s) and heat sink(s)
    2. Memory modules
    3. Air shroud
    4. Drives
    5. Drive backplane
    6. Drive cage
    7. Storage controller card
    8. mezzanine card(s)
    9. IDSDM
    10. Network Daughter Card (NDC)
    11. MicroSD vFlash card
    12. Internal USB key

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 chassis.
  2. Using the Hex nut driver-5 mm and Phillips #2 screwdrivers, remove the screws that secure the system board to the system.
    Figure 1. Locations of the screws on the system boardThis image shows location of the screws on the system board.
  3. Holding the system board holder, slide the system board to the back of the system until the USB connectors disengage from the slots on the front wall of the system.
  4. Lift the system board by holding the system board holder and the I/O connector cover.
    Figure 2. Removing the system boardThis image shows removing the system board.

Next steps

Install the system board.

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