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 |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
26-pin Parallel port 2 |
J1 |
9-pin serial port 1 |
J4 |
|
10-pin serial port 2 |
J3 |
25-pin parallel port 1 |
J7 |
|
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 closed |
Open |
Open |
Open | |
|
4 |
Open |
Pins 2 & 3 closed |
Open |
Open | |
|
5 |
Open |
Open |
Pins 2 & 3 closed |
Open | |
|
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 & 2closed |
Open |
Open |
Open | |
|
4 |
Open |
Pins 1 & 2 closed |
Open |
Open | |
|
5 |
Open |
Open |
Pins 1 & 2 closed |
Open | |
|
9 |
Open |
Open |
Open |
Pins 1 & 2 closed | |