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# ASUS COMPUTER INTERNATIONAL
ISA-386SIQ
Processor 80386DX/CX486DLC
Processor Speed 33/40MHz
Chip Set SIS
Max. Onboard DRAM 32MB
SRAM Cache 64/128/256KB
BIOS AMI
Dimensions 220mm x 240mm
I/O Options None
NPU Options 80387/CX83D87/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Reset | CON1 | Turbo LED | CON4 |
|---------------------+----------+----------------+----------|
| Speaker | CON2 | Turbo switch | CON5 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | CON3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | PQFP CPU disabled | JP2 | open |
|---+--------------------------------+--------+--------------|
| | PQFP CPU enabled | JP2 | 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) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache | Location | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (8) 8K x 8 | Banks 0 & 1 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | Bank 0 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | Banks 0 & 1 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | Jumper CJ1 | Jumper CJ2 | Jumper CJ3 |
|-------+-------------------+-------------------+------------|
| 64KB | pins 1 & 2 closed | pins 1 & 2 closed | open |
|-------+-------------------+-------------------+------------|
| 128KB | open | pins 1 & 2 closed | closed |
|-------+-------------------+-------------------+------------|
| 256KB | pins 2 & 3 closed | pins 2 & 3 closed | open |
+------------------------------------------------------------+