Setserial is a basic system utility for displaying or setting serial
port information. Setserial can reveal and allow you to alter the I/O
port and IRQ that a particular serial device is using, and more.
setserial Version 2.17 (27-Jan-2000)
Setserial is a program which allows you to look at and change various
attributes of a serial device, including its port, its IRQ, and other
serial port options.
Starting with Linux 0.99 pl10, only the COM1-4 ports are configured,
using the default IRQ of 4 and 3. So, if you have any other serial
ports provided by other boards (such as an AST Fourport), or if