Universal Audio Architecture (UAA) High Definition Audio class driver version 1.0a available for Windows XP, Windows Server 2003, and Windows 2000

Prerequisites

This driver is designed to work with the following operating systems:

• The original release version of Microsoft Windows Server 2003
  
  Note This driver does not work with Windows Server 2003 Service Pack 1 or a later service pack.

• Microsoft Windows XP with Service Pack 1 (SP1) or with Service Pack 2 (SP2)

• Microsoft Windows 2000 with Service Pack 4 (SP4)

Restart requirement

You may have to restart your computer after you apply this update if the operating system components that this update replaces are being used when you install the update.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Improvements for users

• Easier installation of audio peripherals

• Easier installation of audio drivers

• Better system stability

• Better performance

• Glitch-free audio

• Improved security of the content that you want to help protect

• 
  Fewer vendor-supplied drivers

• 
  Less need to upgrade drivers

• 
  Guaranteed basic audio support for UAA-compliant devices
  
  

Improvements for OEMs and hardware manufacturers

• Less software development, testing, and support

• Less exposure to product support calls and to product returns

• Easier phase-out of products that are at the "end of life"
  
  

If you install, remove, and then re-install this update, the update is no longer listed in Add or Remove Programs in Control Panel. Therefore, you cannot remove this update from your computer. To work around this problem, follow these steps.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

322756 How to back up and restore the registry in Windows

1. Click Start, click Run, type regedit in the Open box, and then click OK.

2. Locate and then click the following subkey in the registry:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB888111

3. On the Edit menu, click Delete.

4. Click Yes, and then exit Registry Editor.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.