Specifications

10
2.4 Setting the CPU for SSC-5x86HVGA
If you want to upgrade the CPU, you have to set two things:
1. Set the jumpers for CPU type.
2. Adjust the jumper setting for CPU speed.
• CPU Type Setting:
CPU Type JP2 JP3 JP4 JP5 JP6 JP7 JP8 JP9 JP10
Intel DX2/DX4
&E
OFF 3-4 3-4 3-4 2-3 2-3 1-2 OFF ON
* Cyrix 5x86
AMD DX4+
(SV8B)
Intel DX2/DX4
&EW
SGS
ST486DX4V
ST486DX2V
5-6 3-4 3-4 3-4 2-3 2-3 2-3 2-3 ON
Cyrix/TI/SGS
DX2/DX4
1-2 5-6 5-6 5-6 2-3 2-3 1-2 1-2 ON
AMD DX2/DX4
(NV8T)
OFF OFF OFF 1-2 2-3 2-3 1-2 OFF OFF
AMD X5(133)
Am5x86 - P75
DX2+(SV8B)
1-3
5-6
3-4 3-4 3-4 2-3 2-3 2-3 2-3 ON
Note : ON - Close OFF - OPEN
JP11 : OPEN - Write Back internal cache for AMD DX4(SV8B)
CLOSE - Write Thru internal cache for AMD DX4(SV8B)
• CPU Clock Setting :
CPU
Clock
JP13 JP15 JP16
1-2
JP16
3-4
25Mhz OPEN 1-2 OPEN OPEN
* 33Mhz OPEN 1-2 CLOSE CLOSE
40Mhz CLOSE 2-3 OPEN CLOSE
(*): default setting
Note :
DX2-66/DX4-100/5x86-100 sets CPU Clock - 33Mhz
DX2-80/DX4-120/5x86-120 sets CPU Clock - 40Mhz
AMD 5x86-P75(133Mhz) sets CPU Clock - 33MHz