Possible CHKDSK Errors with Coherent Partition and MS-DOS (75193)
The information in this article applies to:
• Microsoft MS-DOS operating system 5.0
• Microsoft MS-DOS operating system 5.0a
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.21
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q75193
CHKDSK returns an invalid value for total disk space if the Coherent Setup
utility is used to "shrink" a logical DOS partition.
Coherent is a UNIX operating system clone. During the installation of
Coherent, the Setup program can shrink the logical DOS partition and
create a non-DOS partition for the Coherent operating system. After this
has been done, CHKDSK will return the size of the extended DOS partition as
the sum of the extended DOS partition and the non-DOS (Coherent) partition.
FDISK will return the correct partition sizes when "Display Partition
Information" is selected.
The problem occurs because Coherent's Setup program only modifies the
master boot record (MBR) entries and not the other linked partition
tables or the modified logical drive boot sectors.
Coherent is produced by:
Mark Williams Company
The product included here is manufactured by vendors independent of
Microsoft; we make no warranty, implied or otherwise, regarding this
product's performance or reliability.
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