In message <006901c2d3a9$c3974640$af81fea9@thinkpad>, "Francisco Valladolid" wr
ites:
>Hi, Iam new in this list, can some help about the configuring a IBM T21
>modem, for connecting to internet, or another way for connecting in this
>machine...
>

I'm fairly certain it's a winmodem, and won't work.

That said, I believe that IBM has released a Linux driver, which 
presumably can be ported.  But I don't know that anyone has actually 
done that -- I haven't, and I've had my T21 for almost two years....

		--Steve Bellovin, http://www.research.att.com/~smb (me)
		http://www.wilyhacker.com (2nd edition of "Firewalls" book)