Got this from Google: http://ftp.us.dell.com/audio/R99254.EXE

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Peter
Toronto, Canada
XP Pro SP2 x 2 + Vista Beta
P4 D865GBF HT @ 3.0ghz 2.0gb DDR 450gb HD
ATI Radeon 9550 Graphics
Creative Soundblaster Audigy 4 Audio

"Deniz Selçok" wrote in message
...
I have sigmatel high definition audio. I couldn't find vista compatible
driver.
Build 5536