NEC Express5800/R120g-2M User Manual page 51

Chapter 2 Preparations
6. Push down the socket lever marked with "
open the lever until it stops.
7. Lift the plate.
8. Put the additional CPU on the CPU socket slowly and gently.
For easy installation, hold edges of CPU with your thumb and index fingers so that the notch is aligned
with the key on the CPU socket.
Important
Do not touch the socket contacts.
Important
 Be sure to hold the CPU only at the edges.
 Pay attention not to touch the bottom of the CPU.
Note
 Insert the CPU while aligning the notch on the CPU with the key on the CPU
socket.
 Bring down the CPU straight without tilting or sliding it in the socket.
Express5800/R120g-2M User's Guide
1. Installing Internal Optional Devices
" once to unlatch it from the hook, and then slowly
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