Supported operating system:

Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit

Release note:
Realtek ALC100/ALC101/ALC200/ALC201/ALC201A/ALC202/ALC202A/ALC650/ALC655/
ALC658/ALC850 AC97 audio chip version 6.0.1.6305 driver for Vista/Vista-64/Win7/Win7-64
released on 8th Sep 2009.

Supported Devices:
ALC100
ALI Audio Accel. WDM
ALI Audio Accel. WDM ThinkPad i Series
ALi Audio Accelerator
Avance AC'97 Audio
C-Media AC97 Audio Device
C-Media AC'97 Audio Device
FY26
MS-6398 Onboard AC'97 Audio Controller
nForce MCP3 Audio Codec Interface
nForce MCP-T Audio Codec Interface
NVIDIA nForce Audio Codec Interface
Onboard Sound Codec
Realtek AC97 Audio
Realtek AC'97 Audio
Realtek AC97 Audio for VIA Audio Controller
Realtek AC'97 Audio for VIA Audio Controller
Realtek AC'97 Audio or C-Media AC'97 Audio Device
SoundMAX Integrated Digital Audio
Vinyl AC'97 Audio Device
VT8233 AC'97 Enhanced Audio Controller