Apple Releases Performance Update 1.0 for MacBook/Pro/Air, iMac, Mac mini

Apple released Performance Update 1.0, an update for the company's MacBook, MacBook Pro, and MacBook Air models that addresses, "intermittent hard drive related pauses reported by a small number of customers."

Portable Models
Mac mini


  • MacBook (13-inch, Aluminum Late 2008)
  • MacBook (13-inch, Early 2009)
  • MacBook (13-inch, Mid 2009)

MacBook Pro 13-inch

  • MacBook Pro (13-inch, Mid 2009)

MacBook Pro 15-inch

  • MacBook Pro (15-inch, Late 2008)
  • MacBook Pro (15-inch, Mid 2009)
  • MacBook Pro (15-inch, 2.53GHz, Mid 2009)

MacBook Pro 17-inch

  • MacBook Pro (17-inch, Early 2009)
  • MacBook Pro (17-inch, Mid 2009)

MacBook Air

  • MacBook Air (Late 2008)
  • MacBook Air (Mid 2009)
iMac 20-inch
  • iMac (20-inch, Mid 2009)
  • iMac (20-inch, Early 2009)

iMac 24-inch

  • iMac (24-inch, Early 2009)
  • Mac mini (Early 2009)

The company has detailed instructions on how to use and isntall the update in a KnowledgeBase article.

Apple has separate downloads for the update for Leopard and Snow Leopard.