DOCUMENT:Q99415  17-DEC-2000  [msdos]
TITLE   :Hard Disk Controller BIOS Error Codes
PRODUCT :Microsoft Disk Operating System
PROD/VER:MS-DOS:2.x,3.x,4.x,5.x,6.0,6.2,6.21,6.22
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft MS-DOS operating system versions 2.11, 3.1, 3.2, 3.21, 3.3, 3.3a, 4.0, 4.01, 5.0, 5.0a, 6.0, 6.2, 6.21, 6.22 
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SUMMARY
=======

This article lists the error messages you may receive if you have a hardware
failure on the hard disk, the hard disk controller, or both. The errors listed
below normally occur during a low-level format but may also occur anytime after
the low-level format is done (for example, when you are installing MS-DOS,
Windows, or other software).

MORE INFORMATION
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Code               Description
   ------------------------------------------------
   00H                No Error
   01H                Bad Command
   02H                Address Mark Not Found
   03H                Write Protect
   04H                Request Sector Not Found
   05H                Reset Failed
   06H                Media Change
   07H                Initialization Failed
   09H                Cross 64K DMA Boundary
   0AH                Bad Sector Flag Detected
   0BH                Bad Track Flag Detected
   10H                Bad ECC on Disk Read
   11H                ECC Corrected Data Error
   20H                Controller Has Failed
   40H                Seek Operation Failed
   80H                Drive Failed to Respond
   AAH                Drive Not Ready
   BBH                Undefined Error
   CCH                Write Fault
   0EH                Register Error
   FFH                Sense Operation Failed


Additional query words: 6.22 2.0 3.0 3.00 3.10 3.1 3.3 3.30 3.3a 3.30a 4.0 4.00 4.01 4.01a 5.00 5.0 5.00a 5.0a 6 6.00 6.0 6.20 msdos ms dos hard drive errors failures lowlevel low level format

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Keywords          :  
Technology        : kbMSDOSSearch kbMSDOS321 kbMSDOS400 kbMSDOS320 kbMSDOS330a kbMSDOS621 kbMSDOS622 kbMSDOS620 kbMSDOS600 kbMSDOS310 kbMSDOS500 kbMSDOS330 kbMSDOS401 kbMSDOS500a kbMSDOS211
Version           : MS-DOS:2.x,3.x,4.x,5.x,6.0,6.2,6.21,6.22

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