UNIDENTIFIED
401 386SX
Processor | 80386SX |
Processor Speed | 16MHz |
Chip Set | VLSI |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | Award |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | JP1 | Turbo switch | JP15 |
Speaker | JP2 | External battery | JP18 |
Reset switch | JP3 or JP17 | Turbo LED | JP20 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | NPU mode select synchronous with CPU | JP4 | Open |
NPU mode select synchronous with oscillator installed at X1 | JP4 | Closed | |
» | Factory configured - do not alter | JP5 | N/A |
» | Factory configured - do not alter | JP8 | pins 2 & 3 closed |
» | Factory configured - do not alter | JP9 | N/A |
» | Monitor type select color | JP10 | pins 1 & 2 closed |
Monitor type select monochrome | JP10 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP11 | Open |
» | Factory configured - do not alter | JP12 | Open |
» | Factory configured - do not alter | JP13 | Closed |
» | Factory configured - do not alter | JP14 | Open |
» | BIOS type select 27256 | JP16 | pins 2 & 3 closed |
BIOS type select 27512 | JP16 | pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (18) 41256 | NONE | NONE | NONE |
512KB | NONE | NONE | (2) 256K x 9 | NONE |
1MB | (18) 41256 | (18) 41256 | NONE | NONE |
1MB | NONE | NONE | (2) 256K x 9 | (2) 256K x 9 |
2MB | (18) 411000 | NONE | NONE | NONE |
2MB | NONE | NONE | (2) 1M x 9 | NONE |
4MB | (18) 411000 | (18) 411000 | NONE | NONE |
4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 |
5MB | (18) 411000 | (18) 411000 | (2) 256K x 9 | (2) 256K x 9 |
6MB | (18) 411000 | (18) 411000 | (2) 1M x 9 | NONE |
8MB | (18) 411000 | (18) 411000 | (2) 1M x 9 | (2) 1M x 9 |
DRAM JUMPER CONFIGURATION | |||||
DRAM mode | Max. Pages | Wait States | DRAM speed | JP6 | JP7 |
F4 | 4 | 0 or 1 | 80ns | 2 & 3 | 2 & 3 |
F1 | 1 | 0 or 1 | 100ns | 1 & 2 | 2 & 3 |
W01 | 4 | 1 or 2 | 100ns | 2 & 3 | 1 & 2 |
W02 | 4 | 2 or 3 | 120ns | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. |