Microsoft KB Archive/316427

= The Computer Hangs During Startup If DMA Mode Is Set for IDE Devices on a ThinkPad Docking Station =

Article ID: 316427

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT 4.0 Service Pack 6a
 * Microsoft Windows NT Server 4.0 Enterprise Edition
 * Microsoft Windows NT 4.0 Service Pack 6a
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q316427



SYMPTOMS
Your computer may stop responding (hang) while the boot screen is displayed if DMA mode is set for IDE devices in an IBM ThinkPad docking station.



CAUSE
This problem is caused by the CMD PCI-648 IDE controller that is built into the docking station. This device raises an interrupt but does not set its status accordingly. After you install this hotfix, the interrupt is ignored.



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:   Date         Time   Version        Size    File name 19-Jan-2002 00:37  4.0.1381.7123  27,728  Atapi.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbbug kbfix kbqfe kbhotfixserver KB316427

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