How the UseMRCI1= Switch in DRVSPACE.INI Works in MS-DOS 6.22 (121422)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q121422
The MS-DOS version 6.22 DRVSPACE.INI file supports all of the switches
supported by the MS-DOS versions 6.0 and 6.2 DBLSPACE.INI file, plus the
following additional switch:
This switch can be used as follows:
If UseMRCI1=0, DRVSPACE.BIN does not look for DBLSPACE.BIN to load MRCI
1d (DRVSPACE.MR1) for reading DoubleSpace drives.
If UseMRCI1=1, DRVSPACE.BIN tries to load the MRCI 1d.
The default value is 1. However, when this setting is 1, the MRCI 1d still
does not load unless the valid key file (DRVSPACE.MR1) is found.
To change MRCI 1d support:
• Manually set UseMRCI1= to either 1 or 0 in the DRVSPACE.INI file.
• From the Tools menu in the DriveSpace interface, choose Options, and
select the Read DoubleSpace Drives check box.
• Delete the DRVSPACE.MR1 key file on the boot drive (or copy to the boot
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