You need to use the cs4232 driver for the soundcard.
Or download a cs4239 driver and install it.

Here's a howto:
http://jeremy.zawodny.com/misc/thinkpad-600e-sound.html
There are others:
http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=thinkpad+600e+sound+linux&btnG=Google+Search

HTH,
Brian

PS. I hate this soundchip!

> -----Original Message-----
> From: David Capp [mailto:dpcapp@earthlink.net]
> Sent: Friday, December 05, 2003 2:54 PM
> To: kclug@kclug.org
> Subject: Sound on my Thinkpad 600e, & the wireless card
> 
> 
> Hi everyone:
> 
> Well, I've got a IBM thinkpad 600e, and just finished 
> installing Redhat 
> 9.  I have not been able to get the sound working, and I have 
> a d-link 
> DWL-G650 network card, and I have ben unable to get it to 
> work on Redhat.
> 
> What should I do?  (Hopefully I'll be at the install-fest coming up).
> 
> Thanks
> 
> Dave Capp
> 
> 
> 
> majordomo@kclug.org
>