About Performance Update 1.0

This update addresses intermittent hard drive related pauses reported by a small number of customers.

Learn how to apply the Performance Update 1.0 to an Intel-based Macintosh computer.

This article has been archived and is no longer updated by Apple.
  1. Quit all open applications, then download and install the update for Mac OS X v10.5 Leopard or Mac OS X v10.6 Snow Leopard.
  2. The downloader will place the disk image with an installer in your Downloads folder or in the download location specified in the General tab under Safari > Preferences.
  3. If you downloaded the disk image via Safari, Safari will notify you that an application is in the image.  Click OK to continue.
  4. If "Open safe files after downloading" is enabled in Safari preferences, the disk image file will mount by itself.  If that preference is not enabled in Safari, double-click the disk image to mount it.
  5. In the mounted disk image, double-click the PerformanceUpdate.pkg file to start the firmware update process.
  6. A welcome screen appears.  Click Continue. 
  7. If you receive the message "This computer does not need this update," your computer is not eligible for this update. 
  8. A Software License Agreement window appears.  Click Continue. 
  9. To agree to the terms, click Agree.
  10. A standard install window appears.  Click Install to install the performance update.
  11. Enter the administrative password for your computer at the prompt.  Click OK.
  12. A dialog appears informing you that you will need to restart your computer after the installer finishes.  Click Continue Installation.
  13. An "Installation completed successfully" window appears.  Click Restart.
  14. Your computer should restart.  If your computer does not restart, contact AppleCare for more information.
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