i. Remove the heat sink and fan assembly (see “Remove the heat sink and fan module” on page
130).
j. Remove the processor (see “Remove the processor” on page 184).
k. Make note of where the cables are connected to the system board; then, disconnect all the
cables.
Attention: Disengage all latches, cable clips, release tabs, or locks on cable connectors
beforehand. Failing to release them before removing the cables will damage the cable
connectors on the system board. Any damage to the cable connectors may require replacing
the system board.
Step 2. Place the server on the side with the system board facing up.
Step 3. Remove the eight screws that secure the system board following the recommended numerical
sequence shown in the illustration; then , carefully remove the system board out of the chassis.
Note: For reference, the torque required to fully loosen the screws is 0.5-0.6 newton-meters, 4.5-
5.5 inch-pounds.
Figure 118. Removing the screws that secure the system board
Step 4. Place the system board on a clean, flat, and static-protective surface.
After this task is completed
If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
206
ThinkSystem ST250 V2 Maintenance Manual
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