IOAT55 IO card Settings and Configuration
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 | |||
Purpose | Location | Purpose | Location |
Serial port 1 | CN1 | Serial port 2 | CN3 |
Parallel port | CN2 |
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SERIAL PORT CONFIGURATION | ||||
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 | ||||
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 |
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