UNIDENTIFIED
UNI-486WB
Processor | 80486SX/80486DX/80486DX2 |
Processor Speed | 25/33/50(internal)/50/66(internal)MHz |
Chip Set | UNI |
Max. Onboard DRAM | 32MB |
Cache | 32/64/128/256KB |
BIOS | AMI |
Dimensions | 230mm x 218mm |
I/O Options | None |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J1 | Turbo switch | J4 |
Speaker | J2 | Reset switch | J5 |
Turbo LED | J3 | External battery | J6 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Turbo mode disabled | J4 | Open |
Turbo mode enabled | J4 | Closed | |
» | Battery type select internal | J6 | pins 2 & 3 closed |
Battery type select external | J6 | pins 1, 2, 3 & 4 closed | |
» | Normal A20 enabled | JP3 | pins 2 & 3 closed |
Fast A20 enabled | JP3 | pins 1 & 2 closed | |
» | Monitor type select monochrome | JP13 | Open |
Monitor type select color | JP13 | Closed |
.
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 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | JP4 | JP5 | JP6 | JP7 |
32KB | Open | Open | Open | pins 1 & 2 closed |
64KB | Closed | Open | Open | pins 2 & 3 closed |
128KB | Closed | Open | Closed | pins 2 & 3 closed |
256KB | Closed | Closed | Closed | pins 2 & 3 closed |
CACHE JUMPER CONFIGURATION | |||||
Size | JP8 | JP9 | JP10 | JP11 | JP12 |
32KB | Open | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
64KB | Open | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
128KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||
Type | JP1 | JP2 |
80486SX | Open | pins 2 & 3 closed |
80486DX/DX2 | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed |