Quick Specs.Win NT 4.0, Win 2K, Win XP, Win Server 2K3, Win Vista.Microsoft UAA Bus Driver for High Definition Audio.Microsoft UAA Function Driver for High Definition Audio - Adi 1983 Microsoft UAA Function Driver for High Definition Audio - Adi 1986 Microsoft UAA Function Driver for High Definition Audio - CMedia 9880 Microsoft UAA Function Driver for High Definition Audio - Conexant Waikiki Microsoft UAA Function Driver for High Definition Audio - Realtek 260 Microsoft UAA Function Driver for High Definition Audio - Realtek 261 Microsoft UAA Function Driver for High Definition Audio - Realtek 280 Microsoft UAA Function Driver for High Definition Audio - Realtek 880/860 Microsoft UAA Function Driver for High Definition Audio - Sigmatel 9770 Microsoft UAA Function Driver for High Definition Audio - Sigmatel 9772 Realtek Content Creation Bay Realtek High Definition Audio.Devices this driver supports:What's New.Download.