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PCA-6289 User’s Manual 12

DIMM3 (green sockets). If additional memory is to be used, another

matched pair of DIMMs have to be installed in DIMM2 & DIMM4 (pur-

ple sockets).

"Matched pair of DIMMs" means: same in speed (DDR200, DDR266),

same in size (128MB, 256MB, 512MB, 1GB or 2GB), same in chip den-

sity (128 Mb, 256Mb or 512Mb) and same in CSA latency. Any other

memory configuration will result in single channel memory operation.

1.10 Memory Installation Procedures

To install DIMMs, first make sure the two handles of the DIMM socket

are in the "open" position. i.e. The handles lean outward. Slowly slide the

DIMM module along the plastic guides on both ends of the socket. Then

press the DIMM module right down into the socket, until you hear a

click. This is when the two handles have automatically locked the mem-

ory module into the correct position of the DIMM socket. To remove the

memory module, just push both handles outward, and the memory mod-

ule will be ejected by the mechanism in the socket.

1.11 Processor Installation

To change the CPU:

1. Pull the handling bar of the socket upward to the other end to

loosen the socket’s openings. Carefully lift the existing CPU up to

remove it from the socket.

2. Place the new CPU on the middle of the socket, orienting its bev-

eled corner to line up with the socket’s beveled corner. Make sure

the pins of the CPU fit evenly to the socket openings. Replace the

handling bar to fasten the CPU to the socket.

Figure 1.3: Processor Installation

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