CPUID Function Incorrect on Mobile Pentium II or Mobile Celeron CPU

Article ID: 219368 - View products that this article applies to.
This article was previously published under Q219368
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SYMPTOMS

After you install Microsoft Windows NT 4.0 Service Pack 4 and then run a program that uses the CPUID instruction on a computer that has an Intel Mobile Pentium II or Mobile Celeron CPU (with on-die L2 cache), the function call may incorrectly return one of the feature bits set to a value of one (1) instead of zero (0).
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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
  • Windows Service Pack Center
    (http://windows.microsoft.com/en-US/windows/downloads/service-packs)
    -or-

  • 152734
    (http://support.microsoft.com/kb/152734/EN-US/ )
    how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
(http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS)


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STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT version 4.0 Service Pack 5.
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Properties

Article ID: 219368 - Last Review: June 11, 2012 - Revision: 3.0
APPLIES TO
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition
Keywords: 
kbhotfixserver kbqfe kbbug kbenv kbfix kbhardware KB219368
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