Microsoft KB Archive/839274

= Your computer may stop responding if you are using a ULi ATAPI controller and you are running Windows Server 2003, Windows XP, or Windows 2000 =

PSS ID Number: 839274

Article Last Modified on 4/5/2004

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The information in this article applies to:


 * Microsoft Windows Server 2003, Datacenter Edition
 * Microsoft Windows Server 2003, Enterprise Edition
 * Microsoft Windows Server 2003, Enterprise Edition for the Workstation
 * Microsoft Windows Server 2003, Standard Edition
 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows 2000 Professional
 * Microsoft Windows 2000 Server

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Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
Your computer may stop responding when you have an ULi ATAPI controller and you are using Microsoft Windows XP, Microsoft Windows 2000, or Microsoft Windows Server 2003.



CAUSE
This problem may occur if you have a ULi ATAPI controller that is waiting for I/O to a bad disk sector to finish. While the controller is waiting, Windows sends a new command to the controller, and the computer stops responding.



RESOLUTION
To resolve this problem, remove any timeout value from the registry. To do so, follow these steps:

Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
 * 1) Click Start, click Run, type regedit in the Open box, and then click OK.
 * 2) Locate and then click the following subkey:.
 * 3) Right-click the TimeOutValue entry, and then click Delete.
 * 4) On the Registry Editor File menu, click Exit.
 * 5) Restart your computer.

Additional query words: hang

Keywords: kbprb KB839274

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