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# UNIDENTIFIED
AT MULTI I/O AI-2
Card Type Multi I/O card
Chipset/Controller Unknown
I/O Options Game port, parallel port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Game port | CN3 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Parallel port | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN1) | Port 2 (CN2) | SW1/1 | SW1/2 |
|-------------------+---------------+------------+-----------|
| » | COM1 | COM2 | Off | Off |
|-----+-------------+---------------+------------+-----------|
| | COM2 | COM3 | On | Off |
|-----+-------------+---------------+------------+-----------|
| | COM3 | COM4 | On | On |
|-----+-------------+---------------+------------+-----------|
| | COM3 | Disabled | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 1 (CN1) | Port 2 | SW2/3 | SW2/4 | SW2/5 | SW2/6 |
| | (CN2) | | | | |
|--------------+-------------+-------+-------+-------+-------|
| » | IRQ4 | IRQ3 | On | Off | Off | On |
|-----+--------+-------------+-------+-------+-------+-------|
| | IRQ3 | IRQ4 | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | SW1/3 |
|-----------------------------+------------------------------|
| 1 | Off |
|-----------------------------+------------------------------|
| 2 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | SW2/1 | SW2/2 |
|------------------------+-----------------+-----------------|
| » | IRQ7 | On | Off |
|-----+------------------+-----------------+-----------------|
| | IRQ5 | Off | On |
+------------------------------------------------------------+