Realtek has updated their AC'97 (Audio Codec '97) Windows Vista/Windows 7 driver for the ALC audio processor series. This driver supports all ALC series audio chipsets from ALC101 up to ALC861. The ALC series are being used as onboard sound on many motherboards. The following Realtek audio chips are supported by this driver: ALC101/201/202/203/250/650/653/655/658/850/861.

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