Advantech PPC-S154T, Руководство пользователя

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PPC-S154T User’s Manual 20
3.3 Installing the SDRAM Memory Module and Central
Processing Unit (CPU)
The panel PC's central processing unit (CPU) can be upgaded to improve
system performnace. The panel PC provides one 478-pin ZIF (Zero Inser-
tion Force) socket (Socket 478). The CPU must come with an attached
heat sink and CPU fan to prevent overheating. THe panel PC also priv-
ides two 200-pin SODIMM sockets which can accept two DDR 266
SDRAM memory modules up to 1 GB
1. Unscrew the screw on the right side for CPU and heat sink cover,
slide leftwrad and detach the cover, then you can find one 478-pin
CPU socket and one 200-pin SODIMM socket (DIMM1).
Figure 3.3: Detaching the CPU plastic cover and heat sink
Warning: The CPU may be damaged if operated without a
heat sink and a fan.
Caution: Always disconnect the power cord from your
panel PC when you are working on it. Do not
make connections while the power is on as sen-
sitive electronic components can be damaged by
the sudden rush of power. Only experience elec-
tornics personnel should open the panel PC.