UNIDENTIFIED
386/40
Processor | 80386DX |
Processor Speed | 33/40MHz |
Chip Set | C & T |
Max. Onboard DRAM | 32MB |
Cache | 32/64/128/256KB |
BIOS | AMI/C & T |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP3 | Reset switch | JP7 |
Power LED & keylock | JP5 | Turbo LED | JP8 |
Speaker | JP6 | Turbo switch | JP9 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J3 | N/A |
» | Factory configured - do not alter | J4 | N/A |
» | NPU mode select synchronous with CPU | J5 | Open |
NPU mode select synchronous with OSC1 | J5 | Closed | |
» | Factory test disabled | J6 | Open |
Factory test enabled | J6 | Closed | |
» | Monitor type select color | JP1 | pins 1 & 2 closed |
Monitor type select monochrome | JP1 | pins 2 & 3 closed | |
» | Battery select internal | JP2 | Closed |
Battery select external | JP2 | Open | |
» | CMOS memory normal operation | JP4 | pins 1 & 2 closed |
CMOS memory clear | JP4 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP10 | N/A |
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) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
17MB | (4) 4M x 9 | (4) 256K x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
DRAM JUMPER CONFIGURATION | |
Size | JP11 |
1MB | pins 2 & 3 closed |
2MB | pins 1 & 2 closed |
4MB | pins 2 & 3 closed |
5MB | pins 2 & 3 closed |
8MB | pins 1 & 2 closed |
16MB | pins 2 & 3 closed |
17MB | pins 2 & 3 closed |
20MB | pins 2 & 3 closed |
32MB | pins 1 & 2 closed |
CACHE CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | TAG (U35) | TAG (U37) |
32KB | (4) 8K x 8 | NONE | (1) 8K x 8 | NONE |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | (1) 8K x 8 |
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 | SR1 | SR2 | SR3 | SR4 | SR5 |
32KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
64KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
128KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position. |
CACHE JUMPER CONFIGURATION (CON’T) | ||||||
Size | SR6 | SR7 | SR8 | SR9 | SR10 | SR11 |
32KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
64KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
128KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
256KB | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position. |