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5AX
3.4. SRAM INSTALLATION
Sync. SRAM (Pipeline Burst SRAM)
If Sync SRAM Chip is installed, it consists of Pipeline Burst 1 Pc 64 K x 64
512KByte.
3.5. DRAM INSTALLATION
The mainboard can be installed with 8 / 16 / 32 / 64 / 128 / 256 MB 168 pins DIMM
module DRAM, and the DRAM speed must be 67~100 MHz for SDRAM. The DRAM
memory system on mainboard consists of bank 0, 1 & bank 2.
Because the 168 pins DIMM module is 64 bits width, using 1 PCS which can
match a 64 bits system. The total memory size is 8 MB ~ 768 MB DRAM. The
DRAM installation position refer to Figure 3.1, and notice 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 angle. If there is a wrong direction of Pin 1, the DRAM DIMM
module couldn't be inserted into socket completely
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 66 / 75 / 83 / 95 /100MHz for
3.3V/2.5V Pentium Processor 133 / 166 / 200 MHz; MMX (166 / 200 / 233), AMD
K6-(166 / 200/ 233 / 266 / 300) ; K6-2 ( 266 / 300 / 333 / 350 / 380 / 400 / 450 / 475 /
500/550);K6-2+(450); K6-III (400 / 450 / 475 / 500 / 550) ;Cyrix/IBM 6x86MX (PR166
/ PR200 / PR233 / PR266 ); MII-PR300/ PR333/ PR366/ PR400 ;
IDT Winchip 2-(200 / 225 / 233 / 266 / 300 ); IDT Winchip 3-266; RISE MP6-266.
The mainboard can use Pentium Processor, MMX, AMD -K6, AMD-K6-2,
AMD-K6-2+, AMD-K6-III;Cyrix / IBM 6x86MX , Cyrix MII, IDT Winchip 2, IDT Winchip 3,
RISE MP6 CPU, and the CPU speed must match with the frequency of Clock
generator. It will cause system hanging up if the Clock generator frequency is
faster than CPU's.
M
The CPU is a sensitive electric component and it can be easily damaged by
static electricity, so users must keep it away from metal surface when the
CPU is installed onto mainboard.
M
When the user installs the CPU on socket, please notice that the PIN 1 of
CPU is in the same corner as the PIN 1 of socket!
.
3-5
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