Developer's DescriptionBy Realtek SemiconductorUpdate your embedded sound from Realtek to the latest AC'97 codec.Realtek AC'97 Drivers Applications package include driver and setup program, RtlRack for Win98/Me/2000/XP, and AvRack for Win95/NT4.Realtek AC'97 Drivers & Applications. The package includes: Driver/Application Setup Program; RtlRack for Win98/Me/2000/XP and AvRack for Win95/NT4; Realtek Sound Effect Manager. DirectX 8 is required to enable advanced features.Version A4.06 updates Realtek 3D engine and makes changes to special custom settings.