DOCUMENT:Q111757 18-DEC-2000 [win95x] TITLE :CD-ROM Always Shows 127 MB Used and Zero Bytes Free PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER:MS-DOS:4.x,5.x,6.0,6.2,6.21; WINDOWS:3.0,3.0a,3.1,3.11 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows versions 3.0, 3.0a, 3.1, 3.11 - Microsoft Windows for Workgroups versions 3.1, 3.11 - Microsoft MS-DOS operating system versions 4.0, 4.01, 5.0, 5.0a, 6.0, 6.2, 6.21 ------------------------------------------------------------------------------- SUMMARY ======= When you view disk information for a CD-ROM in File Manager, free disk space is always reported as zero (0) bytes, and total disk space in use is always reported as approximately 127 megabytes. Microsoft Mulitmedia CD-ROM Extensions (MSCDEX.EXE) is coded to report a specific number for both free space and bytes in use. Microsoft has confirmed this to be a limitation of MSCDEX.EXE (all versions). Microsoft Windows NT uses a different file system for addressing CD-ROM drives and does not have this limitation. Additional query words: wfw wfwg MSDOS DOSSHELL DOS SHELL FILE 131070 134215 130048 kbmm mmtitles 4.0 4.00 4.00a 4.01 5.00 5.00a 5.0 5.0a 6.00 6.20 win30 win31 ====================================================================== Keywords : Technology : kbAudDeveloper kbWin3xSearch kbWFWSearch kbZNotKeyword3 kbWin300 kbWin300a kbWin310 kbWin311 kbWFW310 kbWFW311 kbMSDOSSearch kbMSDOS400 kbMSDOS621 kbMSDOS620 kbMSDOS600 kbMSDOS500 kbMSDOS401 kbMSDOS500a Version : MS-DOS:4.x,5.x,6.0,6.2,6.21; WINDOWS:3.0,3.0a,3.1,3.11 ============================================================================= 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 2000.