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Step 1.
Remove the processor socket cover, if one is installed on the processor socket, by placing your
fingers in the half-circles at each end of the cover and lifting it from the system board.
Step 2.
Install the processor-heat-sink module on the system board.
Figure 98. Installing a PHM
a.
Align the triangular marks and guide pins on the processor socket with the PHM; then, insert
the PHM into the processor socket.
Attention: To prevent damage to components, make sure that you follow the indicated
tightening sequence.
b.
Fully tighten the Torx T30 captive fasteners in the installation sequence shown on the heat-sink
label. Tighten the screws until they stop; then, visually inspect to make sure that there is no
gap between the screw shoulder beneath the heat sink and the processor socket. (For
reference, the torque required for the nuts to fully tighten is 1.4 — 1.6 newton-meters, 12 — 14
inch-pounds).
After you install a PHM:
1. Complete the parts replacement. See "Complete the parts replacement" on page 144.
.
Chapter 3
Hardware replacement procedures
133
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