Step 4—Installing the processor heatsink
CAUTION: If the heatsink must be removed for any reason after the system has been powered up,
the thermal interface must be cleaned off with alcohol and replaced with a new thermal interface. Failure
to do so will overheat the processor.
CAUTION: After installing the processor in the socket, do not power up the workstation without the
heatsink attached. Damage to the processor or the processor socket might result.
Installing the processor heatsink in the HP Workstation series
1. Remove and discard the thermal grease protective liner from the underside of the new heatsink,
and then set the heatsink over the processor.
NOTE: Do not touch the exposed thermal grease when handling the processor heatsink.
2. To install the heatsink:
a. Align the heatsink mounting posts with their respective threaded mounting holes on the system
board
. The fan must face toward the front of the workstation. The fins on the fan face toward
the rear of the chassis.
b. Connect the heatsink electrical receptacle to the second processor heatsink fan connector on
the system board
2
.
Figure 6 Installing the heatsink in HP
Workstation series
3. To tighten the screws:
a. Use a Torx screwdriver to tighten the heatsink mounting screws.
b. Partially tighten the four heatsink screws so that the heatsink body remains level.
c. Fully tighten one pair of diagonally opposite screws
.
ENWW Step 4—Installing the processor heatsink 9
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