Microsoft KB Archive/104947

= DoubleSpace Leaves ASPI4DOS.SYS and UPSI14.SYS on Host Drive =

Article ID: 104947

Article Last Modified on 11/20/1999

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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 Q104947



SUMMARY
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.

MS-DOS 6.2 DoubleSpace leaves the following files on the uncompressed host drive:   ASPI4DOS.SYS USPI14.SYS



MORE INFORMATION
DoubleSpace supports restartability during the compress and uncompress processes. If you are compressing or uncompressing a DoubleSpace- compressed drive and the process is interrupted (for example, there is a loss of power), MS-DOS restarts the DoubleSpace compress or uncompress process when the machine restarts.

Machines that use ASPI4DOS.SYS or USPI14.SYS need to have these files available when the system restarts. To support these machines, DoubleSpace leaves the files on the uncompressed host drive.

DoubleSpace knows to leave these files on the uncompressed host drive by reading the COPY= settings in the DBLSPACE.INF file. The COPY=[filename] entry specifies that the file should be copied to the compressed drive as well as left on the uncompressed drive.

Additional query words: 6.20 UPSI14.SYS

Keywords: KB104947

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