This driver has just been released for the Realtek AC'97 Audio card to run on Windows Vista downloaded today from this link .
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=23&PFid=23&Level=4&Conn=3&DownTypeID=3&GetDown=false3
scottbelton@tiscali.co.uk