Dec 102017
Verify your disk.
File VERDISK.ZIP from The Programmer’s Corner in
Category HD Utilities
Verify your disk.
File Name File Size Zip Size Zip Type
TPCREAD.ME 199 165 deflated
VERDISK.ASM 13184 4282 deflated
VERDISK.COM 1024 796 deflated
VERDISK.DOC 1024 536 deflated

Download File VERDISK.ZIP Here

Contents of the VERDISK.DOC file

VERDISK is a quick way to check on the condition of disks, to
give warning of impending failure.

It uses the PC disk I/O call (INT 13) to verify the readability of
each sector on the disk. All verify errors are reported, indicating the
error type (drive seek, controller, CRC, missing sector, missing addr mark),
the side, track and sector, and the number of unsuccessful retries, up
to a maximum of 5. The batch ERRORLEVEL is also set as a return code.

All PC and AT 5.25" floppy formats and IBM hard disks are
supported. The IBM 8" floppy formats are not supported. If you have
hard disks then DOS device B: must be BIOS unit 80H, C: must be 81H,
and so on.

Syntax: VERDISK d:

Where d: is the drive specifier.

The ERRORLEVEL is OR'ed with to indicate
1 recoverable disk error (successful retry)
2 non-recoverable error (unsuccessful after 5 retries)
4 non-supported disk type
8 invalid drive spec

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