Apple releases iMac Graphics Firmware Update 1.0

Apple today released iMac Graphics Firmware Update 1.0 which is for 20-inch and 24-inch aluminum iMac computers with the ATI Radeon HD 2600 Pro graphics running Mac OS X 10.4.10 with iMac Software Update 1.2.1 or Leopard with iMac Software Update 1.3.

It updates the graphics firmware on the ATI Radeon HD 2600 PRO card to address issues that may have caused the computer to freeze.

Not every 20-inch and 24-inch aluminum iMac computer requires this update. If you are not automatically presented with this update, your computer does not need it. If you manually download this update and attempt to install it on an ineligible computer, you will receive an error message.

If you manually download the update and receive the following error message when selecting a volume, “You cannot install iMac Graphics Firmware Update on this volume. Your computer does not need this update,” one of two conditions exist:
• You have not installed the iMac Software Update 1.2.1 for Tiger or iMac Software Update 1.3 for Leopard. From the Apple menu, select Software Update and install the appropriate software update, and then reinstall iMac Graphics Firmware Update 1.0.
• You have already installed this update.

iMac Graphics Firmware Update 1.0 is available via Software Update and also as a standalone installer.

More info and download link (772KB) here.


  1. Curious thing about this update …

    On my iMac, Software Update delivered the update as an application and placed it in Applications>Utilities. But there it stopped without further actual installation of the firmware and also without stating where it was located. I had to go find it in the Utilities folder via Spotlight and run it. Interesting, eh?

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