UNIDENTIFIED
80386SX
Processor | 80386SX |
Processor Speed | 16MHz |
Chip Set | Intel |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | Phoenix |
Dimensions | 333mm x 220mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP2 | Turbo LED | JP8 |
Power LED & keylock | JP6 | Turbo switch | JP9 |
Speaker | JP7 | Reset switch | JP10 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP1 | pins 2 & 3 closed |
Monitor type select color | JP1 | pins 1 & 2 closed | |
» | Battery select internal | JP3 | pins 1 & 2 closed |
Battery select external | JP3 | pins 2 & 3 closed | |
» | BIOS type select 27256 | JP11 | pins 2 & 3 closed |
BIOS type select 27512 | JP11 | pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (2) 256K x 9 | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE | NONE | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
DRAM JUMPER CONFIGURATION | ||
Speed | JP4 | JP5 |
100ns fast page chips (1 page max.) | Closed | Open |
100ns fast page chips (4 pages max.) | Closed | Closed |
100ns all chips | Open | Closed |
100ns all chips | Open | Open |