ECS P5SD-B Plus Manual page 10

5. If your processor includes a built-in cooling fan, connect the cable from the
cooling fan to the CPU cooling fan connector on the mainboard FAN1.
Install the Memory Modules
On this mainboard, you can use 168-pin Dual In-line Memory Modules (DIMMs) or
72-pin Single In-Line Memory Modules (SIMMs). Two sockets are available for each
kind of memory. The memory modules can be installed with Fast Page-mode RAM
(FP), EDO RAM or SDRAM.
For maximum performance, you should use SDRAM DIMM modules which are PC-
100 compliant, i.e. they will run up to 66MHz external clock not including 66MHz.
However, you can reduce cost by using older FP or EDO SIMMs or DIMMs. You
may have to configure your board for a slower system/memory bus in order to use
slower kinds of memory.
The DIMMs can hold memory capacities from 8 MB through to 256 MB. The SIMMs
are usually installed with a maximum of 64 MB. You can install two SIMM
modules(SIMM1+SIMM2=BANK0), or one or two DIMM modules
(DIMM1=BANK1, DIMM2=BANK2). You cannot install a combination of SIMMs
and DIMMs. The memory modules must be installed with the same kind of RAM.
You cannot install one module using SDRAM, and another module using EDO RAM.
Installing DIMMs
1. The DIMM sockets are keyed with notches and the DIMMs are keyed with cut-
outs so that they can only be installed correctly. Check that the cut-outs on the
DIMM edge connector matches the notches in the SDRAM socket.
2. Push the latches on each side of the SDRAM socket down.
3. Install the DIMM into the socket and press it carefully but firmly down so that it
seats correctly. The latches at either side of the socket will be levered upwards
and latch on the edges of the DIMM when it is installed correctly.
Installing SIMMs
1. Hold the SIMM over the SIMM socket. Hold the SIMM at an angle so that you
can insert the edge connector side of the module into the socket.
2. When the edge connector side is fully inserted in to the socket, swing the SIMM
into a vertical position. The latches at either side of the SIMM socket will snap
onto the SIMM and hold it firmly in place.
Check all the Jumper Settings
Check all the mainboard jumpers to ensure that the board is configured correctly
according to the speed and timing of your processor, the VGA sub-system you are
using, and so on. Regarding the CPU settings please refer to the 'Quick Jumper
Setting Reference' on page 31.
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