144 Chapter 3
Main Module Reassembly Procedure
Replacing the CPU
IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU
socket.
1. Carefully turn the mainboard upside down (CPU side up), and place the CPU into the CPU socket as shown,
taking note of the Pin1 locator.
2. Turn the securing screw 180° to secure the CPU in the socket.