Microsoft KB Archive/238891

= Service Pack 6 Updates Windows NT Kernel to Support Future Processors =

Article ID: 238891

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition

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This article was previously published under Q238891



SUMMARY
The Windows NT 4.0 kernel currently contains two restrictions that limit the kernel's use to certain processors:
 * A check for a Pentium processor that was never released.
 * A processor bit configuration that limits the maximum processor family to seven.



Windows NT Server or Workstation 4.0
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:


 * http://www.microsoft.com/windows/servicepacks/ -or-


 * 152734how 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/directory/overview.asp

Windows NT Server 4.0, Terminal Server Edition
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.

This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.



MORE INFORMATION
Both of these checking routines are disabled when you apply Microsoft Windows NT 4.0 Service Pack 6, so Windows NT 4.0 can easily support future processors.

This behavior is related to the processing of the data returned by the KiSetProcessorType function in the Windows NT 4.0 kernel for Intel-based computers.

Additional query words: executive

Keywords: kbbug kbenv kbfix kbhardware KB238891

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