Supermicro SuperServer SYS-221H-TNR - Removing the PHM from the CPU Socket

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Chapter 3: Maintenance and Component Installation
Before removing the processor heatsink module
(PHM) from the motherboard, shut down the system
and then unplug the AC power cord from all power
supplies. Then follow the steps below:
1. Use a T30 screwdriver to loosen the four PEEK
nuts on the heatsink in the sequence of A, B, C,
and D.
2. Once the PEEK nuts are loosened from the
CPU socket, press the rotating wires inwards to
unlatch the PHM from the socket as shown in the
drawings below.
3. Gently pull the PHM upwards to remove it from the CPU socket.
Removing the PHM from the CPU Socket
Press the four rotating wires inwards to unlatch the PHM.
A
B
C
D
Unlatched State