Apple Releases Performance Update 1.0 Patch for Certain Macs

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Date: Thursday, October 15th, 2009, 03:46
Category: Hardware, Software

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Early Thursday, Apple released Performance Update 1.0, a firmware fix for Macs experiencing occasional hard drive stalls under the Mac OS X 10.5 and Mac OS X 10.6 operating systems.

The patch, a 300 kilobyte download available via Software Update, affects the following machines:

- MacBook Air (Mid 2009)
- MacBook Pro (17-inch, Mid 2009)
- MacBook Pro (13-inch, Mid 2009)
- MacBook Pro (15-inch, Mid 2009)
- MacBook Pro (15-inch, 2.53GHz, Mid 2009)
- iMac (20-inch, Mid 2009)
- MacBook Pro (17-inch, Early 2009)
- MacBook (13-inch, Early 2009), MacBook (13-inch, Mid 2009)
- MacBook (13-inch, Aluminum, Late 2008)
- MacBook Air (Late 2008)
- MacBook Pro (15-inch, Late 2008)
- iMac (24-inch, Early 2009)
- iMac (20-inch, Early 2009)
- Mac mini (Early 2009)

The update requires Mac OS X 10.5 or Mac OS X 10.6.1 (for the Snow Leopard version) to install and run.

If you’ve tried the update, please let us know how it worked in the comments.

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  • Glenn

    So far, so good. It has either entirely fixed, or at least mainly fixed my problem on a month-old MBP. I was getting random pinwheels, and my Mac was quite unusable part of the time. Very frustrating. So, I’m thrilled the Apple has done something about it!

  • Joecool

    Not sure, but I think now my hard drive will not sleep and battery performance has been severely compromised. Tired PRAM and SMC reset but no luck.

  • Steve

    Since the update, Windows XP hangs in Bootcamp every time that it tries to ‘sleep’ my 13″ MacBook Pro.

  • Mykel

    I was having CONSTANT stalls lasting for 10-60 seconds at a time every 15 minutes or so every single day no matter what I did. I was becoming infuriated at the fact that nothing I did seemed to help. Though ever since the update, my 13 Inch MacBook Pro has been running like water. I am extremely pleased. :-D