Eric> I have Linux 1.2.13 (RedHat). How do I get it to recognize the
Eric> Supra 28.8i PnP modem? I've looked at the pnp stuff on Redhat's
Eric> server, and found nothing which helped (I tried compiling the
Eric> pnptools, but they didn't get things working properly).
I messed around in Win95 and somehow it set the modem to use IRQ 11
and COM4. However, when I booted Linux, it showed that the modem
was using IRQ 3 or 4. Apparently linux just assumes that COM3 and COM4
are using the same IRQs as COM1 and COM2. This stuff is explained
in the Serial-HOWTO. Anyway, this line straight from the HOWTO fixed
it:
setserial /dev/cua3 auto_irq skip_test autoconfig
That tells Linux to attempt to figure out what IRQ COM4 (/dev/cua3) is on
and set it properly.
If you now do
setserial -a /dev/cua3
it should show the correct IRQ. You'll probably also want to do
setserial /dev/cua3 spd_vhi
so that you can use the fastest speed possible with the modem.
I saw something mentioned on the Supra Web site about a way to disable
the PnP feature of the modem, but I did not try that option.
-Rob