A firmware update for the single-processor 1.8GHz Power Mac G5 is now available for download.
Firmware for Mac OS X 10.4.3 or later
This Power Mac G5 System Firmware Update is only for the 1.8 GHz, (600 MHz bus), single-processor Power Mac G5 (Late 2004) computer. This update improves the reliability of your Power Mac G5, especially after it has been inactive for two hours.
Detail on problems addressed:
* The computer may freeze when performing certain video-intensive tasks for extended periods of time, such as a full screen slideshows, QuickTime playback, or some games.
* The optical drive may not eject when you've been using the computer for about two hours.
* Internet Connect may become unresponsive when you've been using the computer for about two hours.
* Attached displays may not wake up properly after the computer, running Mac OS X 10.4, has been sleeping for an extended period of time. The computer seems to wake up, but the display doesn't.
Note that, as of the time of this posting, Apple's detail page has a bad link for the Mac OS 10.4.3 download. Use the link above instead.