Microsoft UAA Bus driver for High Definition Audio this update installs the Microsoft driver and enables the UAA Bus driver feature on your motherboard. Without this driver, the HD audio embedded in new chipset mainboard won’t function – or on new installations of Windows XP, 2000 or Server 2000. The original Windows installation CDs do not include the Microsoft UAA Bus driver for High Definition Audio – that’s why you need this package. Windows XP Service Pack 3 contains this update so this patch is not required for the systems having winxp SP3

Download Windows Xp Service Pack 3

File Size :- 30 MB
License :- Freeware
Homepage :- Microsoft Corporation


  1. I was searching about UAA driver for my Dell Vostro for more than 1 month…It was your post which helped me to find the information regarding this.
    Thanks a lot..


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