Microsoft KB Archive/149994

= ATAPI Causes CRC Errors on Serial Board =

Article ID: 149994

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q149994





SYMPTOMS
Your application reports CRC errors when using the ATAPI driver. The error may be generated by your serial communication board, and the error message may vary.



CAUSE
The problem is encountered with the proprietary serial board.



RESOLUTION
Change the Atapi.sys by redoing some checks in the Interrupt Service Routine.

For additional information, please see the following article in the Microsoft Knowledge Base:

139494Multiple CRC Errors and Hardware Overruns Using RAS

NOTE: Applying Service Pack 4 will not fix this problem.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.51. A fix to this problem is in development, but has not been regression-tested and may be destabilizing in production environments. Microsoft does not recommend implementing this fix at this time. Contact Microsoft Product Support Services for more information on the availability of this fix.

Keywords: KB149994

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