SOYO COMPUTER CO., LTD.
486PCI
|
Processor |
CX486M7/80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI bus slots (4), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J17 |
Turbo LED |
J22 |
|
Speaker |
J18 |
Green PC connector |
JP19 |
|
Reset switch |
J19 |
Green PC connector |
JP42 |
|
External battery |
J20 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Turbo switch |
J21 |
32-bit PCI bus slots |
PC1 - PC4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select monochrome |
JP3 |
Open |
|
Monitor type select color |
JP3 |
Closed | |
|
|
CMOS memory normal operation |
JP5 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP5 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
22MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
84MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 8 or (1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP22 |
JP24 |
JP27 |
JP30 |
|
128KB |
Closed |
Open |
Open |
pins 1 & 2 closed |
|
256KB |
Closed |
Closed |
Open |
pins 2 & 3 closed |
|
512KB |
Closed |
Closed |
Closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | |||||||
|
Type |
JP6 |
JP7 |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
|
80486SX |
Open |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
|
CX486M7(sync) |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
Open |
|
CX486M7(async) |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
Open |
|
80486DX |
Open |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
|
SL80486DX |
Open |
1 & 2 |
Open |
Open |
Open |
Open |
Closed |
|
80486DX2 |
Open |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
|
SL80486DX2 |
Open |
1 & 2 |
Open |
Open |
Open |
Open |
Closed |
|
80486DX4 |
Open |
1 & 2 |
Open |
Open |
Open |
Open |
Closed |
|
P24D |
2 & 3 |
1 & 2 |
Open |
2 & 3 |
Closed |
Closed |
Closed |
|
P24T |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
Closed |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION (CONT) | |||||||
|
Type |
JP13 |
JP14 |
JP15 |
JP16 |
JP17 |
JP18 |
JP20 |
|
80486SX |
Open |
Open |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
|
CX486M7(sync) |
Open |
Open |
Closed |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
|
CX486M7(async) |
Open |
Open |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX |
Open |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
|
SL80486DX |
Closed |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
80486DX2 |
Open |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
|
SL80486DX2 |
Open |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX4 |
Closed |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
P24D |
Closed |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
P24T |
Closed |
Closed |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP34 |
JP36 |
JP37 |
|
25MHz |
Open |
Open |
Open |
|
33MHz |
Open |
Closed |
Closed |
|
40MHz |
Open |
Closed |
Open |
|
50iMHz |
Open |
Open |
Open |
|
50MHz |
Open |
Open |
Closed |
|
66iMHz |
Open |
Closed |
Closed |
|
75iMHz |
Open |
Open |
Open |
|
80iMHz |
Open |
Closed |
Open |
|
100iMHz |
Open |
Closed |
Closed |
|
CPU VOLTAGE CONFIGURATION | |
|
Voltage |
JP21 |
|
3.3v |
pins 1 & 2, 4 & 5, 7 & 8 closed |
|
5.0v |
pins 2 & 3, 5 & 6, 8 & 9 closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP2 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP1 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |
|
PCI BUS CLOCK CONFIGURATION | ||
|
Mode |
JP31 |
JP32 |
|
Asynchronous |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
Synchronous |
pins 1 & 2 closed |
pins 1 & 2 closed |