Advantech PCN-6351 Series Manual de usuario descargar pdf (Pagina 18)

Chapter 1 Hardware Configuration 15

1.9 Installing System Memory (DIMMs)

You can install anywhere from 8 to 256 MB of SDRAM into your

PCN-6351/6351L card. The card provides two 144-pin DIMM

sockets. Each socket accepts 8, 16, 32, 64 or 128 MB 3.3 V power

level DIMMs. If only one DIMM module is required, it can be

installed in DIMM socket on the solder side of the PCN-6351/6351L

board.

1.9.1 Installing DIMMs

The procedure for installing DIMMs is described below. Please follow

these steps carefully. The nimber of pins is different on either side of

the breaks, so the module can only fit in one way. SDRAM DIMM

modules have different pin contacts on each side, and therefore have a

higher pin density.

1. Make sure that all power supplies to the system are switched off.

2. Make sure that the two handles of the DIMM socket are in the

"open" position. i.e. The handles remain leaning outward.

3. Slowly slide the DIMM module along the plastic guides on both

ends of the socket.

4. Press the DIMM module right down into the socket, until you hear

a click. This is when the two handles have automatically locked

the memory module into the correct position on the DIMM socket.

To take out a memory module, just push both handles outward, and

the module will be ejected by the mechanism in the socket.

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Advantech PCN-6351 Series Manual de usuario Pagina 18