Supermicro SuperServer SYS-221P-C9R User Manual page 46

Chapter 3: Maintenance and Component Installation
1. Check the rotating wires (marked 1, 2, 3, and 4) to make sure that they are at unlatched
positions as shown below before installing the PHM into the CPU socket.
Unlatched State
Side View Top View
Rotating Wire 1
Peek Nut
2U Heatsink
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