Apple Logic Board Computer Hardware User Manual


 
Xserve Logic Board -
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3. Reconnect the blower cable, if you disconnected it earlier.
Heatsink and Processor, Version 1
1. Position the processor over its logic board connector and press down, being careful
not to touch any chips on the board or processor.
2. Using the alcohol pad included with the replacement logic board, clean off any used
thermal grease from the processor MPU
(Figure 18)
and the bottom of the heatsink.
Figure 18
3. Using the thermal grease included with the logic board, apply one dot of fresh grease
to the middle of the MPU (or both MPUs if the server is a dual processor).
WARNING:
Whenever you remove the heatsink, before reinstalling it, you must
replace the thermal grease on the MPU.
4. Spread the grease evenly across the MPU(s) to a thickness of approximately 1 mm.
5. Carefully align the posts on the heatsink with the holes in the processor card, and
lower the heatsink straight down onto the processor.