The following is a list of Mainboard Utility Drivers from SigmaTel. You can find the specific SigmaTel Mainboard Utility driver by searching.
SigmaTel Mainboard Utility Drivers
Intel SigmaTel STAC 92XX C Major HD Audio Driver 6.10.5405 V73 Windows Vista x32 x64
Windows Vista(x32/x64) / 7.17 Mb
Intel SigmaTel STAC 92XX C-Major HD Audio Driver 6.10.5405_V73 Windows Vista(x32...
