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# AUSTIN COMPUTER SYSTEMS
386 33VL
Processor 80386DX
Processor Speed 33/40MHz
Chip Set Symphony
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | JP1 | Turbo switch | JP10 |
|---------------------+----------+----------------+----------|
| Reset switch | JP2 | Turbo LED | JP11 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | JP6 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP6 | Open |
|---+--------------------------------+--------+--------------|
| » | SRAM cache select 1 wait state | JP33 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | SRAM cache select 0 wait state | JP33 | pins 1 & 2 |
| | | | 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 | Bank 0 | Bank 1 | TAG (U49 & U50) |
|----------+---------------+---------------+-----------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x 4 |
|----------+---------------+---------------+-----------------|
| 128KB | (4) 32K x 8 | NONE | (2) 64K x 4 |
|----------+---------------+---------------+-----------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 64K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP21 | JP22 | JP23 | JP29 | JP30 | JP34 |JP37 |JP38 |
|------+------+------+------+------+------+------+-----+-----|
| 64KB |2 & 3 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |2 & 3|1 & 2|
|------+------+------+------+------+------+------+-----+-----|
|128KB |2 & 3 |2 & 3 |1 & 2 | Open |2 & 3 |2 & 3 |1 & 2|1 & 2|
|------+------+------+------+------+------+------+-----+-----|
|256KB |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+