KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q158904: CD-ROM Benchmark Program May Not Disable Read Ahead or Caching

Article: Q158904
Product(s): Microsoft Windows 95.x Retail Product
Version(s): 2,2.1
Operating System(s): 
Keyword(s): osr2 win95
Last Modified: 31-JAN-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Windows 95 OEM Service Release, versions 2, 2.1 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you are using a CD-ROM benchmark program to test the file transfer rate of
a CD-ROM drive, the program may not disable read ahead and caching for the
CD-ROM drive, which may result in an inaccurate measurement of the drive's
transfer rate

RESOLUTION
==========

Disable read ahead and caching for the CD-ROM drive. To do so, follow these
steps:

1. In Control Panel, double click System.

2. Click the Performance tab.

3. Click File System.

4. Click the CD-ROM tab and move the Supplemental Cache Size slider all the way
  to the left (to Small).

5. In the Optimize Access Pattern For box, click No Read Head.


Additional query words: 95

======================================================================
Keywords          : osr2 win95 
Technology        : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210
Version           : :2,2.1

=============================================================================

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 1986-2002.