Very Computer

Hi All,

Please can you help me.  I have an ISA hardware modem which used to work
under RedHat 7.0 (Guinness) but no longer is detected.  Once during bootup I
had a window which said "Hardware configuration changed" or something like
that.  It then asked if I wanted to Remove, Reconfigure or Do Nothing about
the device.  I chose to do nothing and see what happened in Linux.

The modem worked very well before under RedHat - download speeds of over
10K/sec (according to Netscape).  It still works fine under Win98SE - PC is
a dual booter.

Also the sound no longer works - I get errors.  I am trying to configure my
first Linux system so please be gentle with me, no flames please.

More info is below if it helps:

I also have the Linksys LNE100TX card and it is "visible" in the devices
list.  It was detected on 2 installs of RedHat 7.0.  The ISA modem was
detected on the first install and worked perfectly, but it no longer works.

I am a newbie (obvious from my name) and for the second install I choose
doing a "custom" install.  I did this because I wanted to learn what apps
were available and read the descriptions of them to see if they might be of
interest to me.  After choosing a host of them they were installed -
RedHat7.0 checks for cross-compatibility to make sure any necessary apps
that might be required for some of my choices are included.

The modem worked okay at first, I think, I can't remember trying it out but
I am fairly sure that it worked okay.  However after playing around and
trying out a few apps the modem is no longer available.  When I rebooted,
after getting a fail on trying to use the modem to dial up to the internet,
I got a message on a text based setup screen (like XConfigurator) that said
I had 30 seconds to alter/remove/leave the settings of a hardware device
that was now removed.  I said to ignore the request and see if it worked in
RedHat.  It didn't.  The next bootup the same message appeared.  The modem
no longer works in RedHat now.

I've been playing about with the BIOS to see if I could get RedHat to
auto-detect the modem but to no avail.  I've just checked my other PC, the
one with RedHat7.0 on it.  The modem did work okay after the install the
second time around.  It now fails.  It's a dual booter, Win98SE, and the
modem works fine under Windows.  It is NOT a Winmodem - NOT a Winmodem.  It
used to work fine under RedHat but does not do so any more.

It was detected as dev/ttyS0.  I have tried auto-detecting it but it says
that there is no modem installed.

What is wrong here?  Have I mucked up the Configuration so that it no longer
finds my modem?  Is the Kernel knackered?  I think it is 2.2.16, or similar
to that.  It is the default with the RedHat 7.0 install (Guinness).

Please help this newbie as he is banging his head against a brick wall.

Thanks.

I don't know what happened, but it sounds like you have an ISA PnP modem and
the BIOS changed the settings on it for some reason.  I have never set up an
ISA PnP modem, but http://www.linuxdoc.org/HOWTO/Plug-and-Play-HOWTO.html
Section 7 especially 7.3 may help.  There is also a section in the
Modem-HOWTO at the same site.  I believe these tell you how to use pnpdump
to get the proper IRQ and IO and then you use setserial.  

Here is something I saw that someone wrote in a newsgroup.  It seems to sum
up the process:

pnpdump > /etc/isapnp.conf
cat /proc/interrupts
cat /proc/ioports
vi /etc/isapnp.conf
I know the options the modem offers from the dump of pnpdump
I know what ports and what interrupts are not taken from proc files
So I choose 3e8 with IRQ 3 from the option blocks in /etc/isapnp.conf

  From the rc script I run /sbin/isapnp /etc/isapnp.conf
On the next line
/sbin/setserial /dev/ttyS1 irq 3 port 0x3e8 uart 16550A spd_vhi
--------------------------------
Hopefully this will give you a lead toward fixing the problem.  

Anita

I had the same problem due to dirty connections on my ISA connection. There is a
file in linux which contains the parameters for installed hardware. When I founf
this file I saw that the modem had been set to ignore. I deleted the entry and
rebooted my box(probably just needed to rerun kudzu) and the modem was
reconfigured and everything worked correctly again. No 100% sure what the
filename is. Will have a look later and send another msg.

good luck