A Realtek liberou a versão 2.54 de seu "pacote" de drivers chamado Realtek HD Audio Driver. Abaixo características e links para download.

Driver Package R2.54
Realtek HD Audio Driver support all of Realtek HD Audio Codec.

1. Vista/Windows 7 WHQL Supporting: ALC882, ALC883, ALC885, ALC887, ALC888, ALC889, ALC892, ALC899, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC670, ALC680 ALC260, ALC262,ALC267, ALC268, ALC269, ALC270, ALC272, ALC273, ALC275

2. Windows 2000/XP WHQL Supporting: ALC880, ALC882, ALC883, ALC885, ALC887, ALC888, ALC889, ALC892, ALC899, ALC861VC, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC670, ALC680 ALC260, ALC262, ALC267,ALC268, ALC269, ALC270, ALC272, ALC273, ALC275

3. HDMI Device WHQL Support: ATI HDMI Devices

4. OS Supporting: Microsoft WindowsXP, Widnows2000, Windows Server 2003, Vista, Windows Server 2008, Windows7 - x86/x64

5. Pack with Microsoft High Definition Audio UAAV1.0a(5013)

6. Add/Fix
   1.) Driver :
      1. Customizations.