CPUID Function Incorrect on Mobile Pentium II or Mobile Celeron CPU
This article was previously published under Q219368
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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).
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:
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.
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
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