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Apple Power Mac G5 (Late 2004) Firmware Update is only for the 1.8 GHz, single-processor Power Mac G5 (Late 2004) computer and supports installation on Mac OS X 10.4.3 or later Also improves the reliability of your Power Mac G5, especially after it has been inactive for two hours.


  • Mac OS X 10.4.3
  • 1.8GHz Power Mac G5 single processor

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Apple Power Mac G5 (Late 2004) Firmware Update User Discussion

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TorontoMatt Member IconComment+0

Did the update and now my airport shows up, which is great. The only problem is that I have to do the install power up (hold the power button till the light flashes) everytime or my airport is turned off and cannot be activated. Gerr....

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Version 1.1
Brian-Kendig Member IconComment+39

I just tried to install this on my 1.8GHz single-processor Power Mac G5 running 10.4.5, and it told me that my computer doesn't need the update.

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Version 1.1

There were actually two different 1.8 GHz G5 models.

The first was the mid-range system when the G5 was first introduced. 1.8GHz, 8GB max RAM and PCI-X. It was discontinued with the release of the dual 1.8 GHz system.

Roughly a year later, Apple released a second 1.8 GHz system, this one with 4GB max RAM, and standard PCI. It also has the liquid cooling system.

I believe it is this second system that this update deals with.


I have exactly the same problem: don´t need this update. I have the 600mhz machine. I thought that´s what the update is for. Very frustrating as I still have some of the mentioned troubles. It was updated last year, but I think the firmware is still old. I found very little information in the web. In systemprofiler it says Boot-ROM-Version: 5.2.2f2
Can anyone help me install the new firmware? doesn´t anybody else have the same problem?

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Current Version (1.x)


Downloads 3,789
Version Downloads 3,789
Type Utilities / System
License Updater
Date 01 Mar 2006
Platform OS X / PPC 32
Price Free
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