UNIDENTIFIED
VL486
Processor | 80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed | 25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 254mm x 220mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Speaker | J7 |
Turbo LED | J4 | Power LED & keylock | J8 |
Turbo switch | J5 | 32-bit VESA local bus slots | SL1 & SL2 |
Reset switch | J6 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP1 | pins 1 & 2 closed |
Monitor type select color | JP1 | pins 2 & 3 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 |
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 |
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 | JP8 | JP9 | JP10 | JP11 |
64KB | Open | Open | pins 1 & 2 closed | pins 1 & 2 closed |
128KB | Closed | Open | pins 2 & 3 closed | pins 2 & 3 closed |
256KB | Closed | Closed | pins 2 & 3 closed | pins 1 & 2 closed |
CPU TYPE CONFIGURATION | ||
Type | JP14 | JP15 |
80486SX | pins 2 & 3 closed | Open |
ODP486SX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed |
80487SX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed |
80486DX | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
80486DX2 | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
CPU SPEED CONFIGURATION | ||||
Speed | JP4 | JP5 | JP6 | JP7 |
25MHz | Closed | Closed | Open | Open |
33MHz | Closed | Open | Open | Open |
40MHz | Open | Closed | Open | Open |
50iMHz | Closed | Closed | Open | Open |
50MHz | Open | Open | Open | Open |
66iMHz | Closed | Open | Open | Open |
VESA WAIT STATE CONFIGURATION | ||
Wait states | JP12 | JP13 |
0 wait states | Open | Open |
1 wait state | Closed | Closed |