MS-DOS Does Not Properly Process Hard Disk Hardware Errors

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Article ID: 311561 - View products that this article applies to.
This article was previously published under Q311561
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SYMPTOMS

Data corruption may occur when you are using an MS-DOS-based program in MS-DOS mode if your hard disk has a hardware error. Your computer is in MS-DOS mode if you started your computer with a system startup floppy disk, or if you selected Command Prompt Only from the Startup menu, or if you selected Restart in MS-DOS mode from the Shut Down Windows dialog box. It only occurs in Windows if the Performance tab of the System tool in Control Panel indicates that the disk file system is using MS-DOS Compatibility mode.

CAUSE

This problem can occur if MS-DOS does not process hard disk errors correctly when the hard disk is being accessed by using LBA mode (extended interrupt 13). This can cause data to be returned that has not really been read or the failure to completely write data to the disk. In either case, no failure is returned to the program.

RESOLUTION

The following files are available for download from the Microsoft Download Center:

Windows 98 and Windows 98 Second Edition (SE)

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Windows Millennium Edition (Me)

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Download Italian (Italy) (311561ITNM.EXE) now

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Download Japanese (311561JPNM.EXE) now

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Download Portuguese (Portugal) (311561PORM.EXE) now

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Download Russian (311561RUSM.EXE) now

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Download Slovak (311561SVKM.EXE) now

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Download Slovenian (311561SLOM.EXE) now

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Download Spanish (Spain) (311561SPAM.EXE) now

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Download Swedish (311561SWEM.EXE) now

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Download Thai (311561THAM.EXE) now

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Download Turkish (311561TRKM.EXE) now

The English version of this fix should have the following file attributes or later.

Windows 98

   Date           Time   Size       File name     
   ------------------------------------------
   30-Nov-2001    21:31  222,670    Io.sys
				

Windows 98 Second Edition

   Date          Time   Size       File name     
   -----------------------------------------
   01-Dec-2001   15:37  222,670    Io.sys
				

Windows Millennium Edition (Me)

   Date          Time   Size       File name     
   -----------------------------------------
   29-Nov-2001   12:29  110,080    Io.sys
				

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Properties

Article ID: 311561 - Last Review: January 31, 2007 - Revision: 1.6
APPLIES TO
  • Microsoft Windows Millennium Edition
  • Microsoft Windows 98 Second Edition
  • Microsoft Windows 98 Standard Edition
Keywords: 
kbhotfixserver kbqfe kbdownload kbenv kbprb KB311561

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