Realtek Audio Driver v 5.10.0.6363 for Windows XP 32/64-bit (WHQL)
Realtek Audio Driver v 6.0.1.6363 for Windows Vista 32/64-bit (WHQL)
Realtek Audio Driver v 6.0.1.6363 for Windows 7 32/64-bit (WHQL)
Alternative drivers to Asus Maximus IV Extreme-Z Audio Driver 6.0.1.6363: