Re: Trouble with PCI hardware modem - almost solved
--- Charles Roberts <ai4a@enia.net> wrote: > Steve Kennedy wrote:
> > Hi,
> >
> > I'm having no success getting my PCI hardware modem working. Hope
> > someone here can help.
> >
> > I've been following Jason McCarty's Linux PCI-Modem Micro-HOW-TO,
> and
> > here's what I've done so far.
> >
> > As root, ran:
> > cd /dev && ./MAKEDEV ttyS4
> >
> > ls -l /dev/ttyS4 shows:
> > crw-rw---- 1 root dialout 4, 68 Jun 6 19:10 /dev/ttyS4
> >
> > dmesg|grep ttyS shows:
> > ttyS00 at 0x03f8 (irq = 4) is a 16550A
> > ttyS01 at 0x02f8 (irq = 3) is a 16550A
> > ttyS04 at port 0xa000 (irq = 17) is a 16550A
> >
> > This matches the output of lspci -v:
> > 00:09.0 Serial controller: US Robotics/3Com 56K FaxModem Model
> > 5610 (rev 01) (prog-if 02 [16550])
> > Subsystem: US Robotics/3Com USR 56K Internal Voice Modem
> (Model
> > 2976)
> > Flags: medium devsel, IRQ 17
> > I/O ports at a000 [size=8]
> > Capabilities: [dc] Power Management version 2
> >
> > After running pppconfig, and triple-checking the information I
> keyed
> > in, I ran pon. It fails to connect, in fact the modem makes no
> sound at
> > all. (Yes, the phone jack is plugged into the wall and the back of
> the
> > computer). I checked tail -f /var/log/messages, but there's no
> reply to
> > the initial challenge and the program exits after a few "alerts".
> >
>
> Hi Steve;
>
> I have the same modem and it works fine. On my modem the irq is 11.
> Use
> setserial to change the settings.
>
> HTH
> Charles
>
>
That did it! Thanks a lot.
The first time I tried it the modem fired up nicely on irq 11. After a
reboot however it wouldn't work. The I/O settings had changed from
0xd000 to 0xb000. After adjusting that the modem still wouldn't fire up
on irq 11. I noticed the BIOS messages indicated the modem on irq 5, so
I tried that and it worked again.
Any idea how to get some consistency into the system so I can put the
setserial information into an init script?
Thanks,
Steve
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