UNIDENTIFIED
POWERSPEC (VER. 2)
Processor |
CX486S/80486SX/ODP486SX/80486DX/80486DX2/ODP486DX2 |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
64MB |
Maximum Video Memory |
None |
Cache |
32/64/128/256KB |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP21 |
Turbo switch |
JP25 |
Power LED & keylock |
JP22 |
Reset switch |
JP26 |
Speaker |
JP23 |
32-bit VESA local bus slots |
SL1 SL3 |
Turbo LED |
JP24 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
Battery type select internal |
JP1 |
Closed | |
Battery type select external |
JP1 |
Open |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
1MB |
(4) 256K x 9 |
None |
None |
2MB |
(4) 256K x 9 |
(1) 256K x 36 |
None |
2MB |
(4) 256K x 9 |
None |
(1) 256K x 36 |
2MB |
None |
(1) 256K x 36 |
(1) 256K x 36 |
2MB |
None |
(1) 512K x 36 |
None |
3MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
3MB |
(4) 256K x 9 |
(1) 512K x 36 |
None |
3MB |
None |
(1) 512K x 36 |
(1) 256K x 36 |
4MB |
(4) 1M x 9 |
None |
None |
4MB |
None |
(1) 512K x 36 |
(1) 512K x 36 |
5MB |
(4) 1M x 9 |
(1) 256K x 36 |
None |
5MB |
None |
(1) 1M x 36 |
(1) 256K x 36 |
5MB |
(4) 256K x 9 |
None |
(1) 1M x 36 |
6MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
6MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
6MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
6MB |
None |
(1) 512K x 36 |
(1) 1M x 36 |
7MB |
(4) 1M x 9 |
(1) 512K x 36 |
(1) 256K x 36 |
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
None |
8MB |
None |
(1) 1M x 36 |
(1) 1M x 36 |
9MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
9MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(4) 1M x 9 |
(1) 512K x 36 |
(1) 1M x 36 |
12MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(4) 1M x 9 |
(1) 2M x 36 |
None |
12MB |
None |
(1) 2M x 36 |
(1) 1M x 36 |
13MB |
(4) 256K x 9 |
(1) 2M x 36 |
(1) 1M x 36 |
13MB |
(4) 1M x 9 |
(1) 2M x 36 |
(1) 256K x 36 |
16MB |
(4) 4M x 9 |
None |
None |
16MB |
(4) 1M x 9 |
(1) 2M x 36 |
(1) 1M x 36 |
16MB |
None |
(1) 2M x 36 |
(1) 2M x 36 |
17MB |
(4) 4M x 9 |
(1) 256K x 36 |
None |
17MB |
(4) 256K x 9 |
None |
(1) 4M x 36 |
18MB |
(4) 4M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
18MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
19MB |
(4) 4M x 9 |
(1) 512K x 36 |
(1) 256K x 36 |
20MB |
(4) 4M x 9 |
(1) 1M x 36 |
None |
DRAM CONFIGURATION (CONT) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
20MB |
(4) 1M x 9 |
None |
(1) 4M x 36 |
21MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
21MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
21MB |
(4) 4M x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
22MB |
(4) 4M x 9 |
(1) 512K x 36 |
(1) 1M x 36 |
24MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
24MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
24MB |
None |
(1) 2M x 36 |
(1) 4M x 36 |
25MB |
(4) 256K x 9 |
(1) 2M x 36 |
(1) 4M x 36 |
25MB |
(4) 4M x 9 |
(1) 2M x 36 |
(1) 256K x 36 |
28MB |
(4) 4M x 9 |
(1) 2M x 36 |
(1) 1M x 36 |
28MB |
(4) 1M x 9 |
(1) 2M x 36 |
(1) 4M x 36 |
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
None |
32MB |
None |
(1) 4M x 36 |
(1) 4M x 36 |
33MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
33MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
34MB |
(4) 4M x 9 |
(1) 512K x 36 |
(1) 4M x 36 |
36MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
36MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
40MB |
(4) 4M x 9 |
(1) 2M x 36 |
(1) 4M x 36 |
48MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(4) 16M x 9 |
None |
None |
Note: Banks 1 & 2 are interchangeable. |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
32KB |
(4) 8K x 8 |
None |
(1) 8K x 8 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K/32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size |
JP15 |
JP16 |
JP17 |
JP19 |
JP20 |
32KB |
2 & 3 |
Open |
Open |
Open |
Open |
64KB |
1 & 2 |
Open |
Open |
Closed |
Open |
128KB |
2 & 3 |
2 & 3 |
Closed |
Closed |
Open |
256KB |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CACHE TAG CONFIGURATION | |
Size |
JP27 |
8K x 8 |
Pins 1 & 2 closed |
16K x 8 |
Pins 2 & 3 closed |
32K x 8 |
Pins 1 & 2 closed |
CPU SPEED SELECTION | |||||
Speed |
JP2 |
JP3 |
JP4 |
JP7 |
JP18 |
20MHz |
Open |
Open |
Open |
1 & 2 |
Open |
25MHz |
Closed |
Open |
Open |
1 & 2 |
Open |
33MHz |
Closed |
Closed |
Closed |
1 & 2 |
Open |
40MHz |
Closed |
Closed |
Open |
2 & 3 |
Closed |
50iMHz |
Closed |
Open |
Open |
1 & 2 |
Open |
50MHz |
Open |
Open |
Closed |
2 & 3 |
Closed |
66iMHz |
Closed |
Closed |
Closed |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | |||||
Type |
JP6 |
JP9 |
JP11 |
JP12 |
JP14 |
CX486S |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
CX486S+CX83D87 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
80486SX |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
ODP486SX |
Open |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
80486DX |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
80486DX2 |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
ODP486DX2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
Note: Pins designated should be in the closed position. |