NEC Express5800/E120d-1 User Manual page 52

Chapter 2 Preparations
8. Lightly push the processor to the CPU socket, and close the plate.
9. Close the socket lever to fix it.
10. Put the heat sink on the processor and fix the heat sink with four screws.
Temporarily tighten the four screws diagonally, then tighten them securely.
Make sure that the screw aligns with the screw hole. If not, the screw may damage the motherboard.
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 Be sure to hold the processor only at the edges.
Important
 Pay attention not to touch the bottom of the processor (pin section).
 Insert the processor while aligning the notch on the processor with the key on the CPU
Note
socket.
 Bring down the processor straight without tilting or sliding it in the socket.
4
1
Note
Make sure the location to put the heat sink.
Express5800/E120d-1 User's Guide
2
3
1. Installing Internal Optional Devices