CPUID Function Incorrect on Mobile Pentium II or Mobile Celeron CPU

This article was previously published under Q219368
This article has been archived. It is offered "as is" and will no longer be updated.
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).
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:
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:
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.
Properties

Article ID: 219368 - Last Review: 11/02/2013 23:44:00 - Revision: 4.0

  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition
  • kbnosurvey kbarchive kbhotfixserver kbqfe kbbug kbenv kbfix kbhardware KB219368
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