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Serial Ports
The built-in serial ports are RS-232C asynchronous communication
ports with 16C550A-compatible UARTs that can be used with modems,
serial printers, remote display terminals, and other serial devices. They
use the following system I/O addresses:
Port Configuration
Serial Port 1
Serial Port 2
COM1
3F8h*
3F8h
COM2
2F8h
2F8h*
COM3
3E8h
3E8h
COM4
2E8h
2E8h
* Default
Built-in Ports
The G586IPV system board is equipped with two serial ports, one paral-
lel printer port, one FDD connector, two IDE hard disk shrouded head-
ers and one PS/2 mouse connector. Refer to page 14 for the locations
of the built-in connectors and pin 1 of those connectors.