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3.1
Upgrading the CPU
This section gives instructions for upgrading the CPU.
NOTE:
3.1.1
Installing the Upgrade CPU
Follow these steps to install the upgrade CPU:
1.
Turn off the system and unplug the power cable from the wall socket.
2.
Detach the CPU board from the system board.
3.
Detach the heat sink by removing the clip and the four screws securing it
to the CPU board.
The heat sink is a platform that protects the upgrade CPU from excessive
heat.
4.
Locate the CPU socket and remove the CPU installed in it.
5.
Plug-in the upgrade CPU into the socket.
NOTE:
Read the electrostatic discharge (ESD) precautions in
Chapter 1 before unpacking and installing the upgrade
CPU.
Make sure that pin 1 of the CPU corresponds to pin 1
of the socket. Insert the CPU pins into the socket
pinholes gently but firmly. Be careful not to bend any
pins.
486 CPU Board 3-3
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