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# UNIDENTIFIED
IOAT-311
Card Type Multi I/O card
Chipset/Controller Unknown
I/O Options Parallel port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | Serial port 2 | CN3 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port | System | J2/A | J2/B | J2/C | J2/D |
| | 2 | Port | | | | |
|----------+-------+-----------+-------+-------+------+------|
| » | COM1 | COM2 | N/A | Pins | Pins | Pins | Pins |
| | | | | 1 & 2 | 1 & 2 | 2 & | 2 & |
| | | | | | | 3 | 3 |
|---+------+-------+-----------+-------+-------+------+------|
| | COM3 | COM4 | COM1/COM2 | Pins | Pins | Pins | Pins |
| | | | | 2 & 3 | 2 & 3 | 1 & | 1 & |
| | | | | | | 2 | 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 1 (CN2) | JP1 |
|----------------------------+-------------------------------|
| » | IRQ4 | Pins 7 & 8 closed |
|-----+----------------------+-------------------------------|
| | IRQ3 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 2 (CN3) | JP1 |
|----------------------------+-------------------------------|
| » | IRQ3 | Pins 5 & 6 closed |
|-----+----------------------+-------------------------------|
| | IRQ4 | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT SETTINGS |
|------------------------------------------------------------|
| Port | J2/E |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+