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Microsoft KB Archive/104739

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Knowledge Base

Article ID: 104739

Article Last Modified on 11/21/1999


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

This article was previously published under Q104739


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.

Under MS-DOS 6.2, copying files to (or from) removable media disks seems slower when the Automount switch for DoubleSpace-compressed floppy disks is enabled. Applications that are disk intensive (such as Microsoft Defragmenter [Defrag]) may also seem slower under MS-DOS 6.2 when accessing removable media disks.


The additional Automount functionality comes with some performance tradeoffs. Those who want maximum floppy performance or who don't plan to use compressed floppies may choose to disable automatic mounting.


To work around this problem, disable Automount. To do this, type the following at the MS-DOS command prompt and then press ENTER:

dblspace /automount=0


For more information on DoubleSpace and Automount, type help automount at the MS-DOS command prompt and then press ENTER.

Additional query words: 6.20 floppy disk diskette performance slow auto mount slowly

Keywords: KB104739