Chapter 3: Maintenance and Component Installation
Assembling the Processor Heatsink Module
Thermal grease is pre-applied on a new heatsink. No additional thermal grease is needed.
If this is a re-installation, apply the proper amount of thermal grease to the underside of the
heatsink.
Assembling the Processor Heatsink Module (PHM)
1. Turn the heatsink over with the thermal grease facing up. Pay attention to the two
drawing below.
processor and the carrier, which indicate pin 1.
Turn the processor carrier assembly over so that the gold pins are facing up. Locate the
two pin 1 locations ("A" on the processor and "a" on the processor carrier assembly).
4. Align "a" on the processor carrier assembly with the triangular cutout "A" on the heatsink
5. Once properly aligned, place the heatsink on the processor carrier assembly with all
corners matched up, making sure that the four clips are properly securing the heatsink.
(CPU2) Pin 1
(CPU1) Pin 1
a
c
d
c
d
b
A
C
D
B
Air Flow Direction
A
C
D
B
Air Flow Direction
SP XCC SP MCC
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