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Apple iMac Software Update 1.2.1 (Tiger) This update is for 20-inch and 24-inch aluminum iMac computers with 2.0, 2.4, or 2.8 GHz processors running Mac OS X Tiger.

It improves the performance and reliability of graphics-intensive games and applications and fixes an issue that some customers encountered when installing Mac OS X Leopard after applying iMac Software Update 1.2.

For further information on this Update, please visit this website:

Apple iMac Software Update 1.3 (Leopard)
This more...

What's New

Version 1.2.1: Release notes were unavailable when this listing was updated.


  • Mac OS X 10.5 or later
  • iMac (Mid 2007)

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Apple iMac Software Update User Discussion

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itaiferber Member IconComment+5

I do wonder what was just installed on my computer, because it now freezes up every two days or so, and I have to reboot my computer 3 times just to get the Login Window to load properly...

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Version 1.1
Jools912 Member IconComment+0


For anyone wondering, this will update the ATI Graphics Card drivers, and the "GLEngine" (presumably something to do with OpenGL).

To see what files it installs, run the installer and choose "Show Files" from the "File" menu before clicking the "Install" button.

I don't know why its so hard for Apple to provide even a little bit of information about what they expect us t install.

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Version 1.1
Bruce_Y Member IconComment+36

(though I do not have one of the new iMacs, but was previously awaiting it-) It would be nice to know what exactly, what really this addresses and fixes.

The Apple description of "provides important bug fixes" is not very useful.

Apple seems to have gotten into this habit of late, issuing updates to iTunes, QT, Macs, etc with only the boilerplate: this important update fixes some bugs (and other stuff), everyone recommended to update... sigh...

Guess its been a few weeks since my last Apple Feedback posts, time for another. (To their credit, some of the things I have posted to Apple Feedback have been corrected.)

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Version 1.1
TachyonFlare Member IconReview+14

Smooth update. No issues.

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Version 1.0
iamaswissguy Member IconComment+3

Wow, that was fast.

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Version 1.0
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> 5 1


Current Version (1.x)


Downloads 4,726
Version Downloads 2,468
Type Utilities / System
License Updater
Date 05 Nov 2007
Platform OS X / Intel 32
Price Free
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