ACER, INC.
VI12G
Processor | 80486SX/80486DX/80486DX2 |
Processor Speed | 25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | Acer |
Max. Onboard DRAM | 128MB |
Cache | 128/256KB |
BIOS | Award |
Dimensions | 254mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3), green PC connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JP6 | Break switch | JP12 (pins 16-18) |
Power LED & keylock | JP12 (pins 1-5) | Reset switch | JP12 (pins 19-20) |
Speaker | JP12 (pins 7-10) | Chassis fan power | JP30 |
Green PC connector | JP12 (pins 12-13) | 32-bit VESA local bus slots | SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | JP5 | Open |
CMOS memory clear | JP5 | pins 1 & 2 closed | |
» | Factory configured - do not alter | JP8 | Open |
» | Factory configured - do not alter | JP10 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | NONE |
1MB | NONE | (4) 256K x 9 |
2MB | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 |
5MB | (4) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
16MB | NONE | (4) 4M x 9 |
17MB | (4) 256K x 9 | (4) 4M x 9 |
17MB | (4) 4M x 9 | (4) 256K x 9 |
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 |
64MB | (4) 16M x 9 | NONE |
65MB | (4) 16M x 9 | (4) 256K x 9 |
68MB | (4) 16M x 9 | (4) 1M x 9 |
80MB | (4) 16M x 9 | (4) 4M x 9 |
128MB | (4) 16M x 9 | (4) 16M x 9 |
CACHE CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
128KB | (4) 32K x 8 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size | JP1 | JP2 | JP3 |
128KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2 closed |
256KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed |
CPU SPEED CONFIGURATION | |
Speed | JP11 |
25MHz | pins 1 & 2, 3 & 4, 5 & 6 closed |
33MHz | pins 1 & 2, 3 & 4 closed |
40MHz | pins 1 & 2, 5 & 6 closed |
50iMHz | pins 1 & 2, 3 & 4, 5 & 6 closed |
50MHz | pins 1 & 2 closed |
66iMHz | pins 1 & 2, 3 & 4 closed |
BUS SPEED CONFIGURATION | |
CPU speed | JP14 |
<=33MHz | pins 1 & 2 closed |
>33MHz | pins 2 & 3 closed |