User's Guide

1. Installing Internal Optional Devices
Express5800/R120d-2M User’s Guide
57
Chapter 2 Preparations
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.
Notch
Pin mark
Pin mark
Key