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Dell Precision Rack 7910 Owner's Manual

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Removing the system board

Prerequisites

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. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
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 hard drives.
CAUTION:Do not attempt to remove the TPM plug-in module from the motherboard. Once the TPM plug-in module is installed, it is cryptographically bound to that specific motherboard. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be re-installed or installed on another motherboard.
  1. Ensure that you read the Safety instructions.
  2. Follow the procedure listed in Before working inside your system.
  3. Remove the following:
    1. cooling shroud
    2. cooling-fan assembly
    3. power supply unit(s)
    4. remove all PCIe cards installed in Riser 2 and Riser 3
    5. integrated storage controller card
    6. internal dual SD module
    7. internal USB key (if installed)
    8. PCIe card holder
    9. cable retention bracket
    10. heat sink(s)/heat-sink blank(s)
    11. processors(s)/processor blank(s)
      CAUTION: To prevent damage to the processor pins when replacing a faulty system board, ensure that you cover the processor socket with the processor protective cap.
    12. memory modules and memory module blanks
    13. network daughter card

Steps

  1. Disconnect the mini SAS cable from the system board.
  2. 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.
    CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
  3. Hold the system-board holder, lift the blue release pin, lift the system board and slide it toward the front of the chassis.
    Sliding the system board toward the front of the chassis disengages the connectors from the back of the chassis slots.
  4. Lift the system board out of the chassis.
    Figure 1. Removing and installing the system board
    This figure shows removing and installing the system board.
    1. release pin
    2. system board
    3. system-board holder

Next steps

  1. Replace the system board.
  2. Follow the procedure listed in After working inside your system.

To see a video on how to remove & install the system board, search in the quick resource locator database at qrl.dell.com.

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