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930503FG.TXT
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1993-05-11
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48 lines
Technical Support Note
Product(s) involve : CDROM
Third party card(s) : MSCDEX.EXE Ver 2.21 & Ver 2.22
Subject
-------
Error message "Incorrect DOS version" displayed when loading MSCDEX.EXE
Ver 2.21.
Description
-----------
User who upgraded from MS DOS 5.0 to MS DOS 6.0 will encounter the above
mentioned error message when loading MSCDEX.EXE Ver 2.21.
The reason is that MSCDEX.EXE Ver 2.21 does not recognise MS DOS 6.0 and
thus report the "Incorrect DOS version" error when loading.
Solution/Action
---------------
The following two solutions help to solve the problem:
a. Use version 2.22 of MSCDEX.EXE provided by MS DOS 6.0 instead of
MSCDEX.EXE Version 2.21 (MSCDEX.EXE Ver 2.22 can be found in the
DOS directory).
b. Update the SETVER version-table to report DOS 5.0 to MSCDEX.EXE
instead of DOS 6.0.
The following statements will update the SETVER version-table
accordingly:
C:\> SETVER C:\DOS MSCDEX.EXE 5.00
Then add the following line at the begining of your CONFIG.SYS file:
DEVICE=C:\DOS\SETVER.EXE
You will need to reboot your system to let the version-table to take effect.