DOCUMENT:Q158904 31-JAN-2001 [win95x] TITLE :CD-ROM Benchmark Program May Not Disable Read Ahead or Caching PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER::2,2.1 OPER/SYS: KEYWORDS:osr2 win95 ====================================================================== ------------------------------------------------------------------------------- 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 2001.