Article ID: 73736
Article Last Modified on 11/16/2006
APPLIES TO
- Microsoft MS-DOS 3.1
- Microsoft MS-DOS 3.2 Standard Edition
- Microsoft MS-DOS 3.21 Standard Edition
- Microsoft MS-DOS 3.3 Standard Edition
- Microsoft MS-DOS 3.3a
- Microsoft MS-DOS 4.0 Standard Edition
- Microsoft MS-DOS 4.01 Standard Edition
- Microsoft MS-DOS 5.0 Standard Edition
- Microsoft MS-DOS 5.0a
- Microsoft MS-DOS 6.0 Standard Edition
- Microsoft MS-DOS 6.2 Standard Edition
- Microsoft MS-DOS 6.21 Standard Edition
- Microsoft MS-DOS 6.22 Standard Edition
This article was previously published under Q73736
SUMMARY
If you use MS-DOS FDISK to delete and then recreate a partition or logical drive on your hard disk, the boot record, root directory, and file allocation tables (FATs) of these logical drives may be affected in varying degrees, depending on the particular version of FDISK used.
MORE INFORMATION
MS-DOS Version 3.2
Area Effect ---- ------ Boot record Preserves boot record. Root directory Preserves root directory. 1st copy of FAT Preserves 1st copy of FAT. 2nd copy of FAT Preserves 2nd copy of FAT.
MS-DOS Version 3.21
Area Effect ---- ------ Boot record Zeros area formerly occupied by boot record. Root directory Zeros area formerly occupied by root directory. 1st copy of FAT Zeros area formerly occupied by 1st copy of FAT. 2nd copy of FAT Zeros area formerly occupied by 2nd copy of FAT.
MS-DOS Version 3.30a
Area Effect ---- ------ Boot record Fills area formerly occupied by boot record with bytes containing value F6. Root directory Fills area formerly occupied by root directory with bytes containing value F6. 1st copy of FAT Fills area formerly occupied by 1st copy of FAT with bytes containing value F6. 2nd copy of FAT Fills area formerly occupied by 2nd copy of FAT with bytes containing value F6.
MS-DOS Version 4.01a
Area Effect ---- ------ Boot record Fills area formerly occupied by boot record with bytes containing value F6. Root directory Invalidates root directory; may contain "garbage" values. 1st copy of FAT Invalidates 1st copy of FAT; may contain "garbage" values. 2nd copy of FAT Invalidates 2nd copy of FAT; may contain "garbage" values.
MS-DOS Versions 5.0 and 6.0
Area Effect ---- ------ Boot record Fills area formerly occupied by boot record with bytes containing value F6. Root directory Preserves root directory information. 1st copy of FAT Preserves 1st copy of FAT. 2nd copy of FAT Preserves 2nd copy of FAT.
Additional query words: 6.22 3.20 3.21 3.30a 4.01a 5.00 5.00a 6.00 6.20
Keywords: KB73736