Computer Hangs When You Resume from Hibernation or Standby if Your Ultra Bay Has a UDMA Device

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This article was previously published under Q317087

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SYMPTOMS

If the following conditions exist, your IBM ThinkPad laptop computer may stop responding (hang):

You hot docked your IBM ThinkPad laptop computer to a docking station that has a UDMA-capable device (such as CD-ROM or DVD drive) in the ThinkPad Ultra bay.
You placed your IBM ThinkPad laptop computer into Hibernation mode or Standby mode.
You resumed your IBM ThinkPad laptop computer from hibernation or standby.

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CAUSE

This problem may be caused when the ATAPI driver (Atapi.sys) sends a command to the IDE controller before the driver is fully initialized.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 (http://support.microsoft.com/kb/322389/EN-US/ ) How to Obtain the Latest Windows XP Service Pack

The English version of this fix should have the following file attributes or later:

   Date         Time   Version      Size    File name
   --------------------------------------------------
   30-Jan-2002  14:49  5.1.2600.28  86,912  Atapi.sys

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows XP Service Pack 1.

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