Advantech PPC-123, User Manual

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PPC-123 User’s Manual 44
4.5 Installing the SDRAM Memory Module
You can install from 32 to 1024 MB of SDRAM memory. The panel PC
system provides two 168-pin DIMM (Dual Inline Memory Module)
socket and supports 3.3 V SDRAM with a minimum speed of 12 ns.
1. Detach and remove the plastic rear cover and CPU cover.
2. Push the two white eject levers on each side of the DIMM outward
until they are separated from the black vertical posts. (See Fig. 4-4.)
3. Insert the memory module into the socket at an angle of 90 degrees.
4. Push the two eject levers toward the vertical posts at each end of
the socket until the module is upright.
Figure 4.4: Installing SDRAM
Note: The module can fit into the socket only one way.
Pin 1 of the DIMM module must line up with the
small arrowhead printed on the motherboard
next to the DIMM socket. The golden pins of the
module must point down into the DIMM socket.
SDRAM
•
Socket