Re: unable to connect to ttyS1
On Thu, 1 Oct 1998 shaul@rakefet.debian.org wrote:
> Perhaps your modem is a PLUG and PLAY modem or a winmodem of some thought ?
>
> > Hi. I'm currently running a Debian 1.3 system, and I'm working on putting
> > together a Hamm system to replace it. I'm trying to get a ppp connection
> > running on an external modem plugged into COM2 of the Hamm system and I'm
> > having no luck.
> >
> > First, I defined the connection and then 'pon' to start the connection.
> > No dice. /var/log/ppp.log contained the following lines:
> >
> > pppd 2.3.5 started by root, uid 0
> > tcgetattr: input/output error (5)
> > Exit.
> >
> > Ok, I went back a few steps. I pulled down the PPP-HowTo and slog
> > through the advice it has (which isn't 100% the same as the default Hamm
> > setup). I discovered that using Minicom, I didn't get any response to AT
> > commands sent to /dev/ttyS1.
> >
> > I rebooted the system and use Lilo to boot MS-Dog. Kermit saw a modem on
> > COM2 and I was even able to use it to dial my ISP and transfer some more
> > stuff to my new system. So the modem/serial port/phone line *do* work.
> >
> > Back to Linux (stopping by the BIOS setup on the way to note COM2's I/O
> > address and IRQ: 2f8, IRQ 3). I did a 'setserial /dev/ttyS1':
> >
> > /dev/ttyS1, UART: 16550A, Port: 0x02f8, IRQ: 3
> >
> > I searched the mailing lists, and everybody else who was having similar
> > problems was using Plug-n-Pray internal modems. No responses seemed to
> > apply to a built-in serial port.
> >
> > So I'm stumped. I'm guessing it's a conflict of some kind, but it's a
> > little too subtle for my experience level.
> >
> > Any help would be greatly appreciated.
> >
What speed is your modem? Perhaps the port is talking faster than modem
can listen if it's a slow modem?
Kent
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