UNIDENTIFIED
UMC 386
Processor | 80386DX |
Processor Speed | 25MHz |
Chip Set | UMC |
Max. Onboard DRAM | 12MB |
Cache | None |
BIOS | AMI/Award/Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo LED | JP1 | External battery | JP9 |
Turbo switch | JP2 | Speaker | JP10 |
Reset switch | JP8 | Power LED & keylock | JP11 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP3 | Closed |
» | Monitor type select color | JP4 | Closed |
Monitor type select monochrome | JP4 | Open | |
» | Factory configured - do not alter | JP5 | N/A |
» | NPU enabled | JP6 | Closed |
NPU disabled | JP6 | Open | |
» | NPU type select 80387 | JP7 | Closed |
NPU type select 3167 | JP7 | Open | |
» | Factory configured - do not alter | JP15 | N/A |
» | Factory configured - do not alter | JP16 | N/A |
» | BIOS type select 27128 | JP17 | pins 1 & 2 closed |
BIOS type select 27256 | JP17 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP18 | N/A |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
1MB | (4) 256K x 9 | NONE | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 | NONE |
3MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1 M x 9 | NONE | NONE |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
DRAM JUMPER CONFIGURATION | |||
Size | JP12 | JP13 | JP14 |
1MB | Closed | Closed | Closed |
2MB | Open | Closed | Closed |
3MB | Open | Closed | Open |
4MB | Closed | Open | Closed |
8MB | Open | Open | Closed |
12MB | Open | Open | Open |