Microsoft KB Archive/104990

= Problems Using DoubleSpace on Disk Manager Partitioned Drive =

Article ID: 104990

Article Last Modified on 11/21/1999

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APPLIES TO


 * Microsoft MS-DOS 6.2 Standard Edition
 * Microsoft MS-DOS 6.22 Standard Edition

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This article was previously published under Q104990



SYMPTOMS
This information applies to both Microsoft DoubleSpace and Microsoft DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands and filenames.

If the DMDRVR.BIN command is loaded after SMARTDRV /DOUBLE_BUFFER in your CONFIG.SYS file and your hard disk drive has more than 1024 cylinders, it may appear that your compressed data is lost after you create a new DoubleSpace-compressed drive.

This problem occurs when you have other DoubleSpace-compressed drives and you try to create a new DoubleSpace-compressed drive using the Disk Manager partitioned drive as the host.



CAUSE
This problem occurs when DMDRVR.BIN is loaded after SMARTDRV DOUBLE_BUFFER in the CONFIG.SYS file. DMDRVR.BIN should be the first device loaded in the CONFIG.SYS file.



RESOLUTION
To work around this problem:


 * 1) Restart your computer and press CTRL+F5 when the "Starting MS-DOS..." message is displayed.
 * 2) Delete the C:\DBLSPACE.BIN and C:\DBLSPACE.INI files.

NOTE: You may have to remove the file attributes first.
 * 1) Restart your computer.
 * 2) Edit your CONFIG.SYS file with a text editor such as MS-DOS Editor.
 * 3) Move the DMDRVR.BIN command to the top of your CONFIG.SYS file.
 * 4) Save the CONFIG.SYS file and exit the text editor.
 * 5) Restart your computer.
 * 6) Run DoubleSpace and create the new DoubleSpace-compressed drive again.

Additional query words: 6.20

Keywords: KB104990

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