BOCA RESEARCH, INC.
IOAT55
Card Type |
Multi I/O card |
Chipset/Controller |
16C550 |
I/O Options |
Parallel port, serial ports (2) |
Maximum DRAM |
N/A |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
Serial port 1 |
CN1 |
Serial port 2 |
CN3 |
Parallel port |
CN2 |
|
|
SERIAL PORT CONFIGURATION |
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Port 1 (CN1) |
J5 |
Port 2 (CN3) |
J5 |
|
» |
COM1 |
Pins 13 & 14 closed |
COM2 |
Pins 2 & 3 closed |
|
COM2 |
Pins 14 & 15 closed |
COM1 |
Pins 1 & 2 closed |
|
COM3 |
Pins 16 & 17 closed |
COM3 |
Pins 4 & 5 closed |
|
COM4 |
Pins 17 & 18 closed |
COM4 |
Pins 5 & 6 closed |
SERIAL PORT INTERRUPT SELECT |
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Port 1 (CN1) |
J5 |
Port 2 (CN3) |
J5 |
|
» |
IRQ4 |
Pins 22 & 23 closed |
IRQ3 |
Pins 11 & 12 closed |
|
IRQ3 |
Pins 23 & 24 closed |
IRQ4 |
Pins 10 & 11 closed |
|
IRQ5 |
Pins 20 & 21 closed |
IRQ5 |
Pins 8 & 9 closed |
|
IRQ7 |
Pins 19 & 20 closed |
IRQ7 |
Pins 7 & 8 closed |
PARALLEL PORT CONFIGURATION |
||
LPT |
J4 |
|
» |
1 |
Pins 1 & 2 closed |
|
2 |
Pins 2 & 3 closed |
PARALLEL PORT INTERRUPT SELECT |
||
IRQ |
J4 |
|
» |
IRQ7 |
Pins 4 & 5 closed |
|
IRQ5 |
Pins 5 & 6 closed |