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# UNIDENTIFIED
A-101 AT I/O CARD
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 2 | CN1 | Game port | CN3 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Parallel port | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN2) | Port 2 (CN1) | S1/A | S1/B |
|------------------+---------------+------------+------------|
| » | COM1 | COM2 | Open | Open |
|-----+------------+---------------+------------+------------|
| | COM2 | COM3 | Closed | Open |
|-----+------------+---------------+------------+------------|
| | COM3 | COM4 | Closed | Closed |
|-----+------------+---------------+------------+------------|
| | COM3 | Disabled | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 1 (CN2) | S2/C | S2/D |
|------------------------+-----------------+-----------------|
| » | IRQ4 | Closed | Open |
|-----+------------------+-----------------+-----------------|
| | IRQ3 | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 2 (CN1) | S2/E | S2/F |
|------------------------+-----------------+-----------------|
| » | IRQ3 | Open | Closed |
|-----+------------------+-----------------+-----------------|
| | IRQ4 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | S1/C |
|-----------------------------+------------------------------|
| 1 | Open |
|-----------------------------+------------------------------|
| 2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | S2/A | S2/B |
|----------------------+------------------+------------------|
| » | IRQ7 | Closed | Open |
|----+-----------------+------------------+------------------|
| | IRQ5 | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Switch | Setting |
|------------------------------+-----------------------------|
| S1/D | N/A |
+------------------------------------------------------------+