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Installing a Passive CPU Heatsink
1. Do not apply any thermal grease to the heatsink or the CPU die. The required
amount has already been applied.
2. Place the heatsink on top of the CPU so that the four mounting holes are
aligned with those on the serverboard and the heatsink bracket underneath.
3. Screw in two diagonal screws (i.e., the #1 and the #2 screws) until just snug
(do not over-tighten the screws to avoid possible damage to the CPU.)
4. Finish the installation by fully tightening all four screws.
Removing the Heatsink
Warning: We do not recommend that the CPU or the heatsink be removed. However,
if you do need to uninstall the heatsink, please follow the instructions below to uninstall
the heatsink to prevent damage to the CPU or the CPU socket.
1. Unscrew the heatsink screws in the sequence as shown above.
2. Gently wiggle the heatsink to loosen it from the CPU. (Do not use excessive
force when wriggling the heatsink!)
3. Once the heatsink is loose, remove it from the CPU.
4. Remove the used thermal grease and clean the surface of the CPU and the
heatsink, Reapply the proper amount of thermal grease on the surface before
reinstalling the heatsink.
Warning: Do not reuse old thermal grease!
Figure 5-3. Installing a Heatsink
Screw#2
Screw#4
5-7
Chapter 5: Advanced Serverboard Setup
Screw#3
Screw#1
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