Thanks for the replies everyone. This is what I've done in response, but
without any luck :(
> > I'm trying to test my modem using minicom. However, when I
> open, I get the
> > "Initializing Modem" dialog, but then I end up with a dead
> terminal. The
> > cursor is in the middle of the screen but will not respond. The
> > online/offline status in the lower right keeps alternating.
> Turning ECHO on
> > in minicom allows me to see my commands, but they still are not
> sent to the
> > modem.
>
> I test a modem by sending it an ATZ, and see if it returns OK.
I've tried to send ATZ in minicom and using 'echo atz > /dev/ttyS1' but I
get no response. I installed WVDIAL also, but when I run WVDIALCONFIG, it
doesn't find the modem on the serial ports.
> > I've tried /dev/ttyS1 /dev/cua1 and /dev/modem for device settings in
> > minicom as well as a number of various INIT strings based on the modem
> > manual (Hardware flow control is always on). My serial ports
> are connected
> > right off of the motherboard (DELL Pentium 133). Would this be
> a PnP issue
> > even with an external modem?
>
> I doubt it is a pnp problem with an external. Do you have a dual boot
> with windows, and does it work under windows?
Yes, I dual boot with Win95. It works every time in Windows. If I remove
and autodetect in W95 is detects it on COM2 with the standard irqs and I/O
address, so It seems to be set up fine there.
> Can you try a different cable?
Yes--same results
> Can you use a meter to check the output voltage of the
> modem power supply?
I don't have easy access to a meter, but if it works fine under Win95, could
this still be a problem?
> It is also possible when you were switching between /dev/ttyS1,
> /dev/cua1
> etc. that you didn't get a proper resetting of the modem.
> Another thing is an irq conflict with another isa card. Try removing
> all other isa cards. Is your serial mouse working OK?
The only other isa cards I have are a SCSI card and sound card. Neither are
PnP, and are jumpered to irq 10 and 05 respectively. When I run 'cat
/proc/interrupts' both irq 3 and 4 for the two serial ports don't show up,
so it appears that neither are in use. Removing these isa cards doesn't
seem to help either.
> Also are you certain that you have the bios settings right?
I double checked again. Serial port 1 goes to COM1, and Serial Port 2 ->
COM2. I also double checked the modem connection on COM2 (and tried on
COM1).
> Also, there is a little cable that connects the external
> com port to the motherboard. Is it on correctly? The little
> white dot should line up with the number 1, or the red edge
> of the connector cable. They sometimes get pulled off when
> you play around with memory or other cables.
I opened my machine, and the cables are still connected properly and snug.
> Do you have any old "setserial" commands in boot.local
> that may be redefining the port?
Nope. I removed the references to any modem/serial device in the rc.config
also.
Are there any other methods to troubleshoot this? Thanks for your patience.
As soon as I get this working, everything will be setup, and can start to
migrate away from M$.
--
Marc
http://www.cybercom.net/~mrmoody
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