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# AORTA SYSTEMS CORPORATION
VL/EISA-486SV1
Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 16/20/25/33/50(internal)/50/66(internal) MHz
Chip Set SIS
Max. onboard DRAM 128MB
Cache 64/128/256KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| Reset switch | CON1 | Speaker | CON4 |
|--------------+----------+-----------------------+----------|
| Turbo switch | CON2 | Power LED & keylock | CON5 |
|--------------+----------+-----------------------+----------|
| Turbo LED | CON3 | 32-bit VESA local bus | S1 |
| | | slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Factory configured - do | JD1 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JD3 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP3 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP4 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP5 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP6 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP13 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JV5 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JV7 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JV10 | pins 1 & 2 |
| | not alter | | 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M 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 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M 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 RESISTOR PACK CONFIGURATION |
|------------------------------------------------------------|
| Size | CJ1 | CJ2 | CJ3 |
|------------+---------------+---------------+---------------|
| 64KB | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| 128KB | Not installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 256KB | Not installed | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP9 |
|----------------------------+-------------------------------|
| 16MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 20MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 25MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 50iMHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 50MHz | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 66iMHz | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|----------+--------+--------+-------+-------+-------+-------|
| 80486SX | Off | Off | Off | Off | On | On |
|----------+--------+--------+-------+-------+-------+-------|
| 80487SX | Off | On | On | On | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| 80486DX | On | On | On | Off | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| ODP486SX | Off | On | On | On | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| 80486DX2 | On | On | On | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PGA TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 |
|----------------------------+-------------------------------|
| 80486SX | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 80487SX | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 80486DX | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| ODP486SX | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 80486DX2 | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| No PGA | pins 2 & 3 closed |
+------------------------------------------------------------+