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# NATIONAL INSTRUMENTS
PC-DIO-24/PnP
Card Type Digital I/O card
Chip Set OKI
I/O Options 50-pin interface
Data Bus 8-bit ISA
Card Size Half-length, half-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|-------------------------------+----------------------------|
| 50-pin interface | J1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------+--------+-------------------|
| High current pull down | W1 | Pins 1 & 2 closed |
|-------------------------------+--------+-------------------|
| High current pull up | W1 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST SETTINGS |
|------------------------------------------------------------|
| IRQ | W2/A | W2/B | W2/C | W2/D | W2/E | W2/F |
|------+--------+--------+--------+--------+--------+--------|
| 3 | Closed | Open | Open | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 4 | Open | Closed | Open | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 5 | Open | Open | Closed | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 6 | Open | Open | Open | Closed | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 7 | Open | Open | Open | Open | Closed | Open |
|------+--------+--------+--------+--------+--------+--------|
| 9 | Open | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT ENABLE LINE SELECTION |
|------------------------------------------------------------|
| Setting | W3/A | W3/B | W3/C | W3/D |
|----------------+----------+----------+----------+----------|
| PC2 | Open | Open | Closed | Open |
|----------------+----------+----------+----------+----------|
| PC4 | Open | Closed | Open | Open |
|----------------+----------+----------+----------+----------|
| PC6 | Closed | Open | Open | Open |
|----------------+----------+----------+----------+----------|
| N/C (disabled) | Open | Open | Open | Closed |
+------------------------------------------------------------+