Supermicro X13DGU User Manual page 51

Removing the PHM from the CPU Socket
Before removing the PHM from the motherboard, be sure to shut down the system and unplug
the power cables from the power supply. Then follow the steps below:
1. Use a T30 bit driver to loosen the four PEEK nuts on the heatsink in the sequence of A,
B, C, and D.
B
D
A
1U Heatsink
D
C
D
A
4U Heatsink
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Chapter 2: Installation
B
A
2U Heatsink
C
C