UNIDENTIFIED
VEGA VS3486AIO-2VL
Processor | 80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed | 20/25/33/40/50(internal)/50/66(internal) |
Chip Set | Symphony |
Max. onboard DRAM | 32MB |
Cache | 64/256/1024KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2), floppy drive interface, game port IDE interface, parallel port, serial ports (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface | FDC | 32-bit VESA local bus slot | S1 |
Game port | GP | 32-bit VESA local bus slot | S2 |
IDE interface | IDE | Serial port 1 | SC1 |
External battery | J2 | Serial port 2 | SC2 |
Power LED & keylock | KEYL | Speaker | SPKR |
Parallel port | PC | Turbo LED | TLED |
Reset switch | RSET | Turbo switch | TSW |
Note: A DS146818A must be installed and the DS1287 removed, to use an external battery. |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | J3 | pins 1 & 2 closed |
| CMOS memory clear | J3 | pins 3 & 4 closed |
» | Battery select internal | JP2 | Closed |
| Battery select external | JP2 | Open |
| BIOS type select regular (27C512) | JP3 | pins 1 & 2 closed |
| BIOS type select flash (28F001BX) | JP3 | pins 2 & 3 closed |
» | Factory configured - do not alter | JP32 | pins 2 & 3 closed |
| Parallel port (PC) select IRQ5 | W7 | pins 1 & 2 closed |
| Parallel port (PC) select IRQ7 | W7 | pins 2 & 3 closed |
» | Serial port 2 (SC2) select IRQ3 | W8 | pins 1 & 2 closed |
| Serial port 2 (SC2) select IRQ4 | W8 | pins 2 & 3 closed |
» | Serial port 1 (SC1) select IRQ3 | W11 | pins 1 & 2 closed |
| Serial port 1 (SC1) select IRQ4 | W11 | pins 2 & 3 closed |
» | Floppy drive enabled | W12 | pins 1 & 2 closed |
| Floppy drive disabled | W12 | pins 2 & 3 closed |
Note: J3 & JP2 will not function unless the DS1287 RTC is replaced with a DSA146818A RTC. |
SERIAL PORT 1 (SC1) CONFIGURATION | |||
COM | I/O Address | W1 | W2 |
COM1 | 3F8h | pins 1 & 2 closed | pins 1 & 2 closed |
COM2 | 2F8h | pins 1 & 2 closed | pins 2 & 3 closed |
COM3 | 3E8h | pins 2 & 3 closed | pins 1 & 2 closed |
Disabled | N/A | pins 2 & 3 closed | pins 2 & 3 closed |
SERIAL PORT 2 (SC2) CONFIGURATION | |||
COM | I/O Address | W3 | W5 |
COM1 | 3F8h | pins 1 & 2 closed | pins 1 & 2 closed |
COM2 | 2F8h | pins 1 & 2 closed | pins 2 & 3 closed |
COM4 | 2E8h | pins 2 & 3 closed | pins 1 & 2 closed |
Disabled | N/A | pins 2 & 3 closed | pins 2 & 3 closed |
PARALLEL PORT (PC) CONFIGURATION | |||
LPT | I/O Address | W6 | W9 |
LPT1 | 378h | pins 1 & 2 closed | pins 1 & 2 closed |
LPT2 | 278h | pins 1 & 2 closed | pins 2 & 3 closed |
LPT3 | 3BCh | pins 2 & 3 closed | pins 1 & 2 closed |
Disabled | N/A | pins 2 & 3 closed | pins 2 & 3 closed |
IDE INTERFACE CONFIGURATION | |||
Mode | JA1 | W4 | W10 |
Enabled | Closed | Closed | pins 1 & 2 closed |
Disabled | Open | Open | 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 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
17MB | (4) 256K x 9 | (4) 4M x 9 |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE 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 |
CACHE JUMPER CONFIGURATION | |||||
Size | JP27 | JP28 | JP29 | JP30 | JP31 |
64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
256KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
1024KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
Note:Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Jumper | 80386DX | 80486SX/80487SX | 80486DX/DX2/ODP |
JP6 | Open | Closed | Closed |
JP17 | Closed | Open | Open |
JP18 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
JP24 | N/A | pins 2 & 3 closed | pins 1 & 2 closed |
JP25 | N/A | Open | Closed |
JP26 | N/A | Open | Closed |
JP33 | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
JP34 | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
JP35 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
JP36 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
JP37 | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
CPU SPEED CONFIGURATION | |||||
Jumper | 20MHz | 25/50I MHz | 33/66I MHz | 40MHz | 50MHz |
JP4 | Closed | Open | Closed | Open | Open |
JP5 | Closed | Closed | Open | Open | Closed |
JP7 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
JP7A | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
JP8 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
JP11 | Open | Open | Open | Open | Closed |
JP12 | Open | Open | Open | Open | Closed |
JP13 | Open | Open | Open | Open | Closed |
JP14 | Open | Open | Open | Open | Closed |
Note:Pins designated should be in the closed position. |
VESA CPU TYPE (ID0 & ID1) CONFIGURATION | ||
CPU Type | JP9 (ID0) | JP10 (ID1) |
80386 | Closed | Open |
80486 | Open | Closed |
VESA WAIT STATE (ID2) CONFIGURATION | ||
Wait states | CPU speed | JP16 (ID2) |
0 wait states | £ 33MHz | Open |
1 wait state | > 33MHz | Closed |
VESA BUS SPEED (ID3) CONFIGURATION | |
CPU speed | JP15 (ID3) |
£ 33MHz | Open |
> 33MHz | Closed |