Owners Manual

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 are shipped with your product.
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 reinstalled or installed on
another system board.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the sled from the chassis.
4. Remove the air shroud.
5. Remove the expansion card riser assembly.
6. Remove the heat sinks.
7. Remove the memory modules.
8. If installed, remove the mezzanine card.
9. Disconnect all the cables from the system board.
10. Keep the Phillips #1 screwdriver ready.
Steps
1. Remove the screws that secure the system board to the sled assembly.
CAUTION: Do not lift the system board by holding a memory module slot, any other connector, or
component.
2. Hold the system board by the edges, and lift the system board away from the system board assembly.
Figure 71. Removing and installing the system board
a. screw (8)
b. system board
c. system board assembly
Next steps
1. If the system board is being replaced, reuse the SAS connector protector from the old system board.
NOTE:
The SAS connector protector is not available on a new or replacement system board. Do not return the old
system board with the SAS connector protector.
2. Install the system board.
3. Install all the removed components and cables.
4. Follow the procedure listed in the After working inside your system section.
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Installing and removing system components