Have you installed the right drivers?
Videocard:
Have you installed the ATI driver? Maybe that will work?
https://support.ati.com/ics/support/...e&folderID=300
Soundcard:
Hva you tried with ALSA? A while ago, I tried suse and fedora, but I couldn't get my soundcard work. When I tried Slackware and VectorLinux my soundcard were found and worke when i used alsaconf...
I don't think suse have alsaconf installed by default, so mayby you should try to install alsaconf
Wireless network:
Maby you can use the madwifi driver? Check if you card is supported by the driver...
http://www.madwifi.org/wiki/Compatibility
http://www.madwifi.org/wiki/UserDocs/FirstTimeHowTo
I hope this will help you...