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 | |