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# BOCA RESEARCH, INC.
I/O 450
Card Type Parallel/Serial card
Chip Set AT-type GM 82C 455
Maximum Onboard Memory None
I/O Options Parallel port (2), serial port (2)
Data Bus 8-bit ISA
Floppy drives supported None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 26-pin Parallel port | J1 | 9-pin serial port 1 | J4 |
| 2 | | | |
|----------------------+-------+---------------------+-------|
| 10-pin serial port 2 | J3 | 25-pin parallel | J7 |
| | | port 1 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------+-------+-------------------|
| » | Serial port 1 enabled | J2/A | Pins 2 & 3 closed |
|---+----------------------------+-------+-------------------|
| | Serial port 1 disabled | J2/A | Pins 1 & 2 closed |
|---+----------------------------+-------+-------------------|
| » | Serial port 2 enabled | J2/B | Pins 2 & 3 closed |
|---+----------------------------+-------+-------------------|
| | Serial port 2 disabled | J2/B | Pins 1 & 2 closed |
|---+----------------------------+-------+-------------------|
| » | Parallel port 1 enabled | J2/C | Pins 2 & 3 closed |
|---+----------------------------+-------+-------------------|
| | Parallel port 1 disabled | J2/C | Pins 1 & 2 closed |
|---+----------------------------+-------+-------------------|
| » | Parallel port 2 enabled | J2/D | Pins 2 & 3 closed |
|---+----------------------------+-------+-------------------|
| | Parallel port 2 disabled | J2/D | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J2/E |
|-----------------------------+------------------------------|
| » | COM1 (3F8h) | Pins 2 & 3 closed |
|---+-------------------------+------------------------------|
| | COM3 (3E8h) | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J2/F |
|-----------------------------+------------------------------|
| » | COM2 (2F8h) | Pins 2 & 3 closed |
|---+-------------------------+------------------------------|
| | COM4 (2E8h) | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J2/G |
|----------------------------+-------------------------------|
| | 5 | Pins 2 & 3 closed |
|-------+--------------------+-------------------------------|
| » | 7 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J2/H |
|----------------------------+-------------------------------|
| » | 5 | Pins 2 & 3 closed |
|-------+--------------------+-------------------------------|
| | 7 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J2/I | J2/J | J2/K | J2/L |
|-------+-------------+------------+------------+------------|
| | 3 | Pins 2 & 3 | Open | Open | Open |
| | | closed | | | |
|---+---+-------------+------------+------------+------------|
| » | 4 | Open | Pins 2 & 3 | Open | Open |
| | | | closed | | |
|---+---+-------------+------------+------------+------------|
| | 5 | Open | Open | Pins 2 & 3 | Open |
| | | | | closed | |
|---+---+-------------+------------+------------+------------|
| | 9 | Open | Open | Open | Pins 2 & 3 |
| | | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J2/I | J2/J | J2/K | J2/L |
|-------+----------+---------------+------------+------------|
| » | 3 | Pins 1 & | Open | Open | Open |
| | | 2closed | | | |
|---+---+----------+---------------+------------+------------|
| | 4 | Open | Pins 1 & 2 | Open | Open |
| | | | closed | | |
|---+---+----------+---------------+------------+------------|
| | 5 | Open | Open | Pins 1 & 2 | Open |
| | | | | closed | |
|---+---+----------+---------------+------------+------------|
| | 9 | Open | Open | Open | Pins 1 & 2 |
| | | | | | closed |
+------------------------------------------------------------+