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4.4 Installing the Central Processing Unit
(CPU)
The panel PC's central processing unit (CPU) can be upgraded to
improve system performance. The panel PC provides one 370-pin ZIF
(Zero Insertion Force) socket (Socket 370). The CPU must come with
an attached heat sink and CPU fan to prevent overheating.
Warning!
Caution!
1. Detach and remove the plastic rear cover.
2. Remove the four screws of the CPU cover, and remove the cover.
3. Detach the CPU fan power cable from the CPU fan.
4. There is a metal plate which holds the FDD and slim CD-ROM drive
to the metal shielding case. There are two screws ("A") on this
metal plate. Loosen these two screws.
5. Remove the plastic side cover of the FDD.
6. Push the FDD and slim CD-ROM drive toward the outside of the
panel PC, as far as they will go. This will expose the entire CPU
assembly underneath.
7. Locate the ZIF socket and open it by first pulling the lever side-
ways away from the socket, then upwards at an angle of 90
degrees.
The CPU may be damaged if operated without a
heat sink and a fan.
Always disconnect the power cord from your panel
PC when you are working on it. Do not make connec-
tions while the power is on as sensitive electronic
components can be damaged by the sudden rush of
power. Only experienced electronics personnel should
open the panel PC.
Chapter 4 Hardware Installation and Upgrading
43
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