User's Guide

1. Installing Internal Optional Devices
Express5800/R120d-1M User’s Guide
54
Chapter 2 Preparations
4. Remove the protective cover from the CPU socket.
Note
Keep the removed protective cover for future use.
5. Push down the socket lever marked with "
→" once to unlatch it from the hook, then slowly
open the lever until it stops.
6. Push down the socket lever marked with "
← " once to unlatch it from the hook, then slowly open
the lever until it stops.
7. Lift the plate.
Important
Do not touch the socket contacts.
8. Put the additional processor on the CPU socket slowly and gently.
For easy installation, hold edges of processor with your thumb and index fingers so that the notch is
aligned with the key on the CPU socket.
Key
Notch
Pin mark
Pin mark