Adding a modem to linux for the 1st time.

My modem is an internal creative labs modemblaster flash pci dl5630 and I've installed  linux on a computer which is already running win98.  
First, I"m not sure if it's compatible and I've altready tried finding out w/ no luck.
Second, assuming that it is compatible, it's on com1 irq 5 on win98 and I tried setting it up in linux using the following command. "setserial /dev/ttyS0 uart 16450 port 0x3f8 irq 5".  I've run minicom to 'talk' to the modem but it doesn't look like it's being seen because it doesn't give me an 'OK' and nothing I type shows up on the minicom screen.
Can anyone shed some light?

Also, I've noticed that my books say to use /dev/ttyS? and other online
help I've been to refer to /dev/cua?..  what is cua used for?? At first
I thought it was a com port but then I got the impression that ttsy's
are com port because of what my books say but this  wouldn't make sense
either since I  have to assign a port to it using "setserial 'device'
port 'whatever' ".    I'm royally conused about this.

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I'm also new with linux how ever I can tell you that CUA? and TTY? are two different ways of calling the COM ports, normally a PCI modem is difficult to set for linux.

There is a place on the Web with a huge list of compatible modems, I don't recall the address but you can find it searching for "Linux Modem"
Have you tried running the command
# netconfig

Going through the setup process and cancelling everything except for the modem might help too.

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