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# ASUS COMPUTER INTERNATIONAL
486/25
Processor 80486SX
Processor Speed 25MHz
Chip Set Intel
Max. Onboard DRAM 16MB (on external memory card)
Cache None
BIOS Award
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options None
IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | CON1 | Speaker | CON5 |
|------------------+----------+-------------------+----------|
| Turbo LED | CON2 | Power LED & | CON6 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo switch | CON3 | External memory | SL1 |
| | | card | |
|------------------+----------+-------------------+----------|
| Reset switch | CON4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP3 | pins 1 & 2 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP3 | pins 2 & 3 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP4 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | M1 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (DIP MEMORY CARD) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (36) 41256 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (36) 41256 | (36) 41256 |
|------------------+--------------------+--------------------|
| 4MB | (36) 411000 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (36) 411000 | (36) 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (SIMM MEMORY CARD) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (DIP MEMORY CARD ONLY) |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | On | On | On | On | On | On |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | On | On | On | On | On | Off |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | Off | Off | On | On | Off | On |
|-------+--------+--------+--------+--------+--------+-------|
| 8MB | Off | Off | Off | On | Off | Off |
+------------------------------------------------------------+
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