BOCA RESEARCH, INC.
IO 2 BY 4
Card Type |
Multi I/O card |
Chipset/Controller |
16C550 |
I/O Options |
Parallel ports (2), serial ports (4) |
Maximum DRAM |
N/A |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
I/O connector 1 |
CN1 |
I/O connector 2 |
CN2 |
SERIAL PORT CONFIGURATION | |||||
Port |
Status |
J3/A |
J3/B |
J3/C |
J3/D |
1 |
Enabled |
Closed |
N/A |
N/A |
N/A |
1 |
Disabled |
Open |
N/A |
N/A |
N/A |
2 |
Enabled |
N/A |
Closed |
N/A |
N/A |
2 |
Disabled |
N/A |
Open |
N/A |
N/A |
3 |
Enabled |
N/A |
N/A |
Closed |
N/A |
3 |
Disabled |
N/A |
N/A |
Open |
N/A |
4 |
Enabled |
N/A |
N/A |
N/A |
Closed |
4 |
Disabled |
N/A |
N/A |
N/A |
Open |
PRIMARY SERIAL PORT INTERRUPT SELECT | |||||
IRQ |
J4/Q |
J4/R |
J4/S |
J4/T | |
» |
IRQ4 |
Open |
Closed |
Open |
Open |
IRQ2 |
Open |
Open |
Open |
Closed | |
IRQ3 |
Open |
Open |
Closed |
Open | |
IRQ5 |
Closed |
Open |
Open |
Open |
SECOND SERIAL PORT INTERRUPT SELECT | |||||
IRQ |
J4/M |
J4/N |
J4/O |
J4/P | |
» |
IRQ3 |
Open |
Open |
Closed |
Open |
IRQ2 |
Open |
Open |
Open |
Closed | |
IRQ4 |
Open |
Closed |
Open |
Open | |
IRQ5 |
Closed |
Open |
Open |
Open |
THIRD SERIAL PORT INTERRUPT SELECT | ||||
IRQ |
J4/I |
J4/J |
J4/K |
J4/L |
IRQ2 |
Open |
Open |
Open |
Closed |
IRQ3 |
Open |
Open |
Closed |
Open |
IRQ4 |
Open |
Closed |
Open |
Open |
IRQ5 |
Closed |
Open |
Open |
Open |
FOURTH SERIAL PORT INTERRUPT SELECT | ||||
IRQ |
J4/E |
J4/F |
J4/G |
J4/H |
IRQ2 |
Open |
Open |
Open |
Closed |
IRQ3 |
Open |
Open |
Closed |
Open |
IRQ4 |
Open |
Closed |
Open |
Open |
IRQ5 |
Closed |
Open |
Open |
Open |
PARALLEL PORT CONFIGURATION | ||||
Port 1 |
J3/E |
Port 2 |
J3/F | |
» |
Enabled |
Closed |
Enabled |
Closed |
Disabled |
Open |
Disabled |
Open |
PARALLEL PORT INTERRUPT SELECT | ||||||
Port 1 |
J4/C |
J4/D |
Port 2 |
J4/A |
J4/B | |
» |
IRQ7 |
Closed |
Open |
IRQ5 |
Open |
Closed |
IRQ5 |
Open |
Closed |
IRQ7 |
Closed |
Open |