Rockwell Internal Modem is not recognized by SuSe Linux 6

I am used to installing NIC in servers, but when it comes to installing the internal Modem in my home PC, I find it extremely difficult. I have set the type etc in the setserial and then invoke the wvdial, when it says the modem is not there.
I have edited the wvdial.conf and pointed the modem.
How do I solve this problem ? Thanks in advance.
WebsmithAsked:
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jlevieCommented:
When you changed the IRQ to 4, did you also disable the corresponding serial port in your system BIOS? And, by the way, IRQ 12 is normally assigned to a PS/2 mouse controller.

Are you certain this modem isn't a winmodem? If it is that might explain why it shows up as an 'unidentified device'. A sure fire way to check is to get the FCC number off out of your docs, or off of the modem and look that up on the site shown above.
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jlevieCommented:
You might have a winmodem, which isn't a real modem and requires a specific driver to function. You can look up your modem at http://www.idir.net/~gromitkc/winmodem.html to see if it's a winmodem and if so if a driver exists.
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WebsmithAuthor Commented:
Mine is not a Winmodem. Thanks. I appear to have problem setting the ttyS2 as the modem and passing the parameters. Any ideas ?

Thanks again,
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WebsmithAuthor Commented:
Thanks hangman. I will check them out.
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jlevieCommented:
If it's not a winmodem and it is being recognized by the OS at boot (check dmesg for evidence) it might be that you have an interrupt conflict. If two devices are trying to use the same IRQ the modem won't work. To check for an interrupt conflict you need to know what IRQ's are being used for what. Look at the output of 'dmesg | grep -i irq', the contents of /proc/interrupts and the contents of /proc/pci. From all of that you can make a list of assigned IRQ's and determine if the modem is using and IRQ that something else is also using.
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WebsmithAuthor Commented:
Thanks llevie. I checked for the IRQ conflict long ago. The odd thing is dmesg reports that the Unidentified device (modem) uses irq12. No other device uses this of course. So I assign irq 4 (which is dedicated to the serial devices) in the rigmarole to get the modem working. No luck. I am tearing my hair out.
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