27-inch iMac EFI FW Update
27-inch iMac EFI FW Update
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HomeSystem Utilities27-inch iMac EFI FW Update
27-inch iMac EFI FW Update free download for Mac

27-inch iMac EFI FW Update1.0

15 April 2010

For all quad-core Intel Core i5 and i7 27-inch iMacs.

Overview

Apple 27-inch iMac EFI FW Update...The update is recommended for all quad-core Intel Core i5 and Core i7 processors 27-inch iMacs

This update addresses the following:

  • Resolves an issue that sometimes caused high processor utilization while playing audio through the headphone output mini-jack.
  • Resolves an issue that prevented the display backlight from turning on after powering on the iMac.

When your computer restarts a gray screen will appear with a status bar to indicate the progress of the update. Do not disturb or shut off the power on your iMac during this update

What's new in 27-inch iMac EFI FW Update

Version 1.0:
  • Release notes were unavailable when this listing was updated.
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Tachyonflare
Tachyonflare
Apr 15 2010
1.0
5.0
Apr 15 2010
5.0
Version: 1.0
So far no issues, the update causes the fan to spin at high speed during the process. iMac running stable.
Free
5.0
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App requirements: 
  • Intel 64
  • Intel 32
  • Mac OS X 10.6.8 or later
  • 27" iMac
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