NEC Express5800/120Rh-2 N8100-1061F User Manual page 300

9-26 Upgrading Your Server
10.
Push the CPU lightly to the socket, and push down the lever to secure the CPU.
11.
Put the heat sink on CPU.
NOTE:
12.
Fix the heat sink clips with four screws.
Be aware of direction of heat sink (see figure below).
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