DOCUMENT:Q110311 23-NOV-1999 [msdos] TITLE :Reserving 0.0 MB on a RAM Drive with DoubleSpace PRODUCT :Microsoft Disk Operating System PROD/VER:MS-DOS:6.0,6.2,6.22 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft MS-DOS operating system versions 6.0, 6.2, 6.22 ------------------------------------------------------------------------------- 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. Neither the graphical interface of the full-screen DoubleSpace maintenance program, nor the DBLSPACE.EXE command-line switches allows you to reserve zero (0) bytes of free space on the host drive during the compression of a RAM drive. WORKAROUND ========== To reserve zero bytes of free space on the host drive when you are compressing a RAM drive, use the following procedure: 1. Create a new drive or compress an existing drive on the RAM drive using either the full-screen DoubleSpace maintenance program or the MS-DOS command line. For example, at an MS-DOS command prompt, you might type: " dblspace /create : /size=1.37 " (without the quotation marks) where drive is a 2-megabyte (MB) RAM drive. (This uses 1.37 MB of drive D to create a compressed RAM drive and leaves approximately 0.62 MB free on the drive D. 2. Resize the compressed drive to its maximum size and the host drive to zero with a command similar to the following: dblspace /size /reserve=0 : where is the drive letter of the compressed RAM drive. To determine the drive letter for the compressed drive, type "dblspace /list" (without the quotation marks) at the MS-DOS command prompt. MORE INFORMATION ================ Reserving 0.0 MB on the host drive of the RAM drive ensures that no RAM is leftover as unused space on the host drive. The above procedure does not apply to the compression of a hard disk drive. Additional query words: 6.00 6.20 dblspace doublespace manager ====================================================================== Keywords : Technology : kbMSDOSSearch kbMSDOS622 kbMSDOS620 kbMSDOS600 Version : MS-DOS:6.0,6.2,6.22 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.