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# SIIG, INC.
I/O EXTENSION-A.3
Card Type Multi-I/O card
Chip Set Unidentified
Maximum Onboard None
Memory
I/O Options game port, parallel port (2), serial ports (2)
Data Bus 8-bit ISA
Floppy drives None
supported
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| 25-pin parallel | CN1 | 16-pin Game port | CN4 |
| port | | | |
|-------------------+----------+------------------+----------|
| 9-pin serial port | CN2 | 26-pin Parallel | CN5 |
| external | | port internal | |
|-------------------+----------+------------------+----------|
| 10-pin serial | CN3 | | |
| port internal | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP2/A | JP2/B |
|----------------------+------------------+------------------|
| » | IRQ7 | Open | Closed |
|----+-----------------+------------------+------------------|
| | IRQ5 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COM SELECT |
|------------------------------------------------------------|
| Primary port | Secondary port | SW1/1 | SW1/2 |
|----------------+----------------+-------------+------------|
| Disable | Disable | Off | Off |
|----------------+----------------+-------------+------------|
| COM1 | COM2 | Off | On |
|----------------+----------------+-------------+------------|
| COM2 | COM3 | On | Off |
|----------------+----------------+-------------+------------|
| COM3 | COM4 | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECT |
|------------------------------------------------------------|
| Address | SW1/3 |
|-------------------------------+----------------------------|
| 378-37Ah | Off |
|-------------------------------+----------------------------|
| 278-27Ah | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT SELECT |
|------------------------------------------------------------|
| Setting | SW1/4 |
|---------------------------------+--------------------------|
| » | Enabled | Off |
|---+-----------------------------+--------------------------|
| | Disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP1/A | JP1/B | JP1/C | JP1/D |
|----------+------------+------------+-----------+-----------|
| IRQ2 | Closed | Open | Open | Open |
|----------+------------+------------+-----------+-----------|
| IRQ3 | Open | Closed | Open | Open |
|----------+------------+------------+-----------+-----------|
| IRQ4 | Open | Open | Closed | Open |
|----------+------------+------------+-----------+-----------|
| IRQ5 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP3/A | JP3/B | JP3/C | JP3/D |
|----------+------------+------------+-----------+-----------|
| IRQ2 | Closed | Open | Open | Open |
|----------+------------+------------+-----------+-----------|
| IRQ3 | Open | Closed | Open | Open |
|----------+------------+------------+-----------+-----------|
| IRQ4 | Open | Open | Closed | Open |
|----------+------------+------------+-----------+-----------|
| IRQ5 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTING |
|------------------------------------------------------------|
| Jumper | Setting |
|-----------------------------+------------------------------|
| JP4/A | N/A |
|-----------------------------+------------------------------|
| JP4/B | N/A |
+------------------------------------------------------------+