UNIDENTIFIED
VEGA VS486F-3VL
Processor | 80486SX/80486DX/80486DX2/ODP586SX |
Processor Speed | 25/33/50(internal)/50/66(internal) MHz |
Chip Set | Symphony |
Max. Onboard DRAM | 32MB |
SRAM Cache | 64/256/1024KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Turbo LED | JP23 |
Power LED & keylock | JP20 | Turbo switch | JP24 |
Speaker | JP21 | 32-bit VESA Local bus slots | S1, S2 & S3 |
Reset switch | JP22 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | J2 | pins 1 & 2 closed |
CMOS memory clear | J2 | pins 3 & 4 closed | |
BIOS type select regular (27C512) | JP2 | pins 1 & 2 closed | |
BIOS type select flash (28F001BX) | JP2 | pins 2 & 3 closed | |
» | Batterly select internal | JP3 | Closed |
Battery select external | JP3 | Open | |
» | Factory configured - do not alter | JP12 | Closed |
» | Factory configured - do not alter | JP15 | Open |
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 |
17MB | (4) 256K x 9 | (4) 4M 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 |
SRAM JUMPER CONFIGURATION | |||||
Size | JP8 | JP9 | JP19 | JP25 | JP26 |
64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
256KB | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
1MB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
Note:Pins designated should be in the closed postion. |
SRAM CONFIGURATION | |||
Size | Max Cachable | Cache | TAG |
64KB | 8MB | (8) 8K x 8 | (1) 8K x 8 |
256KB | 32MB | (8) 32K x 8 | (1) 32K x 8 |
1MB | 64MB | (8) 128K x 8 | (1) 128K x 8 |
CPU TYPE CONFIGURATION | |||
CPU | JP7 | JP10 | JP17 |
80486SX | Open | pins 2 & 3 closed | Open |
All others | Closed | pins 1 & 2 closed | Closed |
CPU SPEED CONFIGURATION | |||||||||
Speed | JA1 | JP4 | JP5 | JP6 | JP11 | JP13 | JP14 | JP16 | JP18 |
25/50i MHz | 2 & 3 | 2 & 3 | Open | Closed | 2 & 3 | Open | Closed | Open | Open |
33/66i MHz | 2 & 3 | 2 & 3 | Closed | Open | 2 & 3 | Open | Closed | Open | Open |
50MHz | 1 & 2 | 1 & 2 | Open | Closed | 1 & 2 | Closed | Open | Closed | Closed |
Note:Pins designated should be in the closed postion. |