Supported operating system:

Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit
Windows Server 2008 32-bit
Windows Server 2008 64-bit

Release note:
Realtek ALC861/ALC880/ALC882/ALC883/ALC885/ALC887/ALC888/ALC889/ALC890/ALC260/ALC262
/ALC268/ALC272/ALC273/ALC662/ALC663/ALC665 HD Audio chip version 2.30 driver for Vista/Vista-64/
Win7/Win7-64 released on 12th Aug 2009.

Fixed some problems in DTM test on Windows 7. It can support ALC880, ALC882, ALC883, ALC885, ALC887, ALC888, ALC889, ALC890, ALC861VC, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC260, ALC262, ALC267, ALC268, ALC269, ALC272, ALC273, ALC275.

Supported Devices:
Realtek High Definition Audio