Microsoft KB Archive/158904

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


The information in this article applies to:

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


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


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
Issue type :
Technology : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210

Last Reviewed: January 31, 2001
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