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# UNIDENTIFIED
VEGA VS3486AIO-2VL
Processor 80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor 20/25/33/40/50(internal)/50/66(internal)
Speed
Chip Set Symphony
Max. onboard 32MB
DRAM
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Floppy drive | FDC | 32-bit VESA local | S1 |
| interface | | bus slot | |
|------------------+----------+-------------------+----------|
| Game port | GP | 32-bit VESA local | S2 |
| | | bus slot | |
|------------------+----------+-------------------+----------|
| IDE interface | IDE | Serial port 1 | SC1 |
|------------------+----------+-------------------+----------|
| External battery | J2 | Serial port 2 | SC2 |
|------------------+----------+-------------------+----------|
| Power LED & | KEYL | Speaker | SPKR |
| keylock | | | |
|------------------+----------+-------------------+----------|
| 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 | JP3 | pins 1 & 2 |
| | (27C512) | | closed |
|----+--------------------------------+---------+------------|
| | BIOS type select flash | JP3 | pins 2 & 3 |
| | (28F001BX) | | closed |
|----+--------------------------------+---------+------------|
| » | Factory configured - do not | JP32 | pins 2 & 3 |
| | alter | | 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 | W8 | pins 1 & 2 |
| | IRQ3 | | closed |
|----+--------------------------------+---------+------------|
| | Serial port 2 (SC2) select | W8 | pins 2 & 3 |
| | IRQ4 | | closed |
|----+--------------------------------+---------+------------|
| » | Serial port 1 (SC1) select | W11 | pins 1 & 2 |
| | IRQ3 | | closed |
|----+--------------------------------+---------+------------|
| | Serial port 1 (SC1) select | W11 | pins 2 & 3 |
| | IRQ4 | | 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 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| COM2 | 2F8h | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| COM3 | 3E8h | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| Disabled | N/A | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (SC2) CONFIGURATION |
|------------------------------------------------------------|
| COM | I/O Address | W3 | W5 |
|----------+-------------+-----------------+-----------------|
| COM1 | 3F8h | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| COM2 | 2F8h | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| COM4 | 2E8h | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| Disabled | N/A | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (PC) CONFIGURATION |
|------------------------------------------------------------|
| LPT | I/O Address | W6 | W9 |
|----------+-------------+-----------------+-----------------|
| LPT1 | 378h | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| LPT2 | 278h | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| LPT3 | 3BCh | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed |
|----------+-------------+-----------------+-----------------|
| Disabled | N/A | pins 2 & 3 | pins 2 & 3 |
| | | closed | 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 & | pins 1 & | pins 1 | pins 1 | pins 1 |
| | 2 | 2 | & 2 | & 2 | & 2 |
|--------+----------+----------+---------+---------+---------|
| 256KB | pins 2 & | pins 1 & | pins 1 | pins 2 | pins 2 |
| | 3 | 2 | & 2 | & 3 | & 3 |
|--------+----------+----------+---------+---------+---------|
| 1024KB | pins 2 & | pins 2 & | pins 2 | pins 2 | pins 2 |
| | 3 | 3 | & 3 | & 3 | & 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 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP24 | N/A | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP25 | N/A | Open | Closed |
|--------+---------------+-----------------+-----------------|
| JP26 | N/A | Open | Closed |
|--------+---------------+-----------------+-----------------|
| JP33 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP34 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP35 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP36 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|--------+---------------+-----------------+-----------------|
| JP37 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Jumper | 20MHz | 25/50I | 33/66I | 40MHz | 50MHz |
| | | MHz | MHz | | |
|--------+-----------+----------+----------+--------+--------|
| JP4 | Closed | Open | Closed | Open | Open |
|--------+-----------+----------+----------+--------+--------|
| JP5 | Closed | Closed | Open | Open | Closed |
|--------+-----------+----------+----------+--------+--------|
| JP7 | pins 1 & | pins 1 & | pins 1 & | pins 1 | pins 2 |
| | 2 | 2 | 2 | & 2 | & 3 |
|--------+-----------+----------+----------+--------+--------|
| JP7A | pins 1 & | pins 1 & | pins 1 & | pins 1 | pins 2 |
| | 2 | 2 | 2 | & 2 | & 3 |
|--------+-----------+----------+----------+--------+--------|
| JP8 | pins 2 & | pins 2 & | pins 2 & | pins 2 | pins 1 |
| | 3 | 3 | 3 | & 3 | & 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 |
+------------------------------------------------------------+