External modem for Linux
After Internal modem had setup successfully on Linux with
FAQ10. Now you may want to make
it back to external or just uninstall it from Linux. It's
easy by follow steps.
By BIOS default resources of com1 and com2,
com-1 / IRQ:4, IO:3F8
com-2 / IRQ:3, IO:2F8
Decide which com port selected, use
it's resources to followed steps:
linux~# cd /dev
linux~# setserial ttyS0 uart 16550A
irq 4 port 0x3f80
linux~# rm modem
linux~# ln -s ttyS0 modem
If you'd choose com2 for connect external modem, please correct
upon 4/3F8 into 3/2F8.
After upon steps completed, run minicom and type ATI3 could
check modem chipset.