Note:
When you replace the system board, you must either update the server with the latest firmware or
restore the pre-existing firmware that the customer provides on a diskette or CD image. Make sure that you
have the latest firmware or a copy of the pre-existing firmware before you proceed
To remove the system board, complete the following steps.
Step 1.
Remove the cover (see “Removing the cover” on page 157).
Step 2.
Remove the air baffle (see “Removing the air baffle” on page 159).
Step 3.
Remove the PCI riser-card assembly (see “Removing the PCI riser-card assembly” on page 163).
Step 4.
Note where the cables are connected to the system board; then, disconnect them.
Attention:
Disengage all latches, cable clips, release tabs or locks on cable connectors when you
disconnect all cables from the system board (see “Internal cable routing and connectors” on page
259). Failing to release them before removing the cables will damage the cable connectors on the
system board. The cable connectors on the system board are fragile. Any damage to the cable
connectors may require replacing the system board.
Step 5.
Remove any of the following components that are installed on the system board and put them in a
safe, static-protective place:
• Adapters (see “Removing an adapter” on page 184)
• DIMMs (see “Removing a DIMM” on page 167)
Note:
Make a note of the location of each DIMM as you remove it, so that you can later reinstall
it in the same connector.
• Microprocessors and heat sinks (see “Removing a microprocessor and heat sink” on page 240)
Notes:
1. Remove the socket covers from the microprocessor sockets on the new system board and
place them on the microprocessor sockets of the system board you are removing.
2. Do not allow the thermal grease to come in contact with anything, and keep each heat
sink paired with its microprocessor for reinstallation. Contact with any surface can
compromise the thermal grease and the microprocessor socket. A mismatch between the
microprocessor and its original heat sink can require the installation of a new heat sink.
• Remote RAID battery holder (see “Removing the RAID adapter battery or flash power module
Step 6.
Remove the screws that secure the system board to the chassis, and put the screws in a safe place.
Removing and replacing server components
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