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586ATX4
3.4. DRAM INSTALLATION
The mainboard can be installed with 4 / 8 / 16 / 32 / 64MB 168 pins DIMM
module DRAM, and the DRAM speed must be 50 or 60 ns for EDO and
67~100MHZ for SDRAM. The DRAM memory system on mainboard consists
of bank 0, 1, 2 & bank 3. Each bank consists of 1 piece of 168pins DIMM
module DRAM. Because the 168 pins DIMM module is 64 bits width, using 1
piece which can match a 64 bits system. The total memory size is 8 - 256
MB.
For the DRAM installation position, note that the Pin 1 of DIMM module must
match with the Pin 1 of DIMM socket. Insert the DRAM DIMM module into
the DIMM socket at vertical direction until the left and right metal holders can
keep the SIMM module standing up firmly.
If there is a wrong direction of Pin 1, the DRAM DIMM module couldn't be
inserted into socket completely. After completely insert SIMM module into
socket, then press the SIMM module in vertical
M
Note: 128 MB SDRAM can only be installed on DIMM 0
3.5. SRAM INSTALLATION
Sync. SRAM (Pipeline Burst SRAM)
If Sync SRAM Module is installed, it consists of 1 piece of 512K Pipeline
Burst SRAM.
There is no jumper for cache size setting.
3.6. CPU INSTALLATION AND JUMPERS SETUP
The system speed depends on the frequency of CLOCK GENERATOR. The
user can change SW selection to set up the system speed to 60 MHz or 66
MHz for 3.3V/2.5V Pentium
Processor (90-233 MHz) / AMDK5(PR133 /
PR166) / AMD-K6(166/180/200(2.9V)/233(3.2V)), Cyrix / IBM 6x86 (PR150+
/ PR166+ / PR200+), Cyrix / IBM 6x86L (PR150+/PR166+/PR200+ (2.8V)),
Cyrix / IBM 6x86MX (PR166GP(60x2.5 66x2 2.9V) / PR200GP(66x2.5 75x2
2.9V) / PR233GP(66x3 75x2.5 2.9V)).
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