MICRO EXPRESS, INC.
80386-33/40
Processor | 80386DX |
Processor Speed | 33/40MHz |
Chip Set | FOREX |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387/3167 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP4 | Turbo switch | JP12 |
Reset switch | JP10 | Speaker | JP13 |
Power LED & keylock | JP11 | Turbo LED | JP14 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | Factory configured - do not alter | EM11 | Open |
| » | Factory configured - do not alter | EM12 | Open |
| » | Battery type select external 6.0VDC | JP3 | Open |
Battery type select external 3.6VDC | JP3 | Closed | |
| » | CMOS memory normal operation | JP5 | Open |
CMOS memory clear | JP5 | Closed | |
| » | Monitor type select color | JP8 | Open |
Monitor type select monochrome | JP8 | Closed | |
| » | Factory configured - do not alter | JP9 | Open |
| » | Factory configured - do not alter | JP101 | Open |
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 |
5MB | (4) 256K x 9 | (4) 1M x 9 |
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 (U38) | TAG (U39) |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | NONE |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 8K x 8 | (1) 8K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size | JP6 | JP61 | JP62 |
64KB | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
128KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
256KB | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |