UNIDENTIFIED
80486L-ISA
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI/Award |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit local bus card slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
32-bit local bus card |
CN1 |
Reset switch |
JP13 |
|
External battery |
JP1 |
Power LED & keylock |
JP14 |
|
Speaker |
JP11 |
Turbo LED |
JP15 |
|
Turbo switch |
JP12 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
JP3 |
Open | |
|
Monitor type select monochrome |
JP3 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
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) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP6 |
JP7 |
|
64KB |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
Closed |
|
256KB |
pins 2 & 3 closed |
Closed |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
Speed |
Oscillator |
JP4 |
JP8 |
JP9 |
|
80486SX |
16MHz |
32MHz |
1 & 2 |
Open |
2 & 3 |
|
80486SX |
20MHz |
40MHz |
1 & 2 |
Open |
2 & 3 |
|
ODP486SX |
50MHz |
25MHz |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
|
80487SX |
25MHz |
25MHz |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
|
80486DX |
25MHz |
25MHz |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX |
33MHz |
33MHz |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX |
50MHz |
50MHz |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX2 |
50MHz |
25MHz |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX2 |
66MHz |
33MHz |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
Note:The location of JP4 is unidentified. Pins designated should be in the closed position. | |||||