Realtek has released a new driver for its popular High Definition audio processor. This driver is available to Microsoft Windows 2000, XP, 2003, MCE, Vista, 7 and their 64-bit flavors as well. This driver offers support for the following Realtek audio ICs: ALC882, ALC883, ALC885, ALC888, ALC889, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC260, ALC262, ALC267, ALC268, ALC269, ALC272, ALC273 and ALC887. 

Download : Realtek HD Driver 2.59