System instability for 1.6 GHz models A fairly large number of readers are reporting significant system instability on Power Mac G5 1.6 GHz models after applying the Power Mac G5 5.1.5f1 firmware ...

Apple has released an update to the Power Mac G5's firmware that fixes a previously reported issue where single-processor G5s refused to sleep. We first reported the problem on August 17th, noting ...

Apple on Monday released a firmware update for its Power Mac G5 systems. The 5.1.4 firmware update is available for download through the Software Update System Preferences pane. The update provides ...

I have two PowerMac G5s. Both are dual CPU (2.5GHz), liquid cooled. Both have firmware locked via Apple's Open Firmware Password utility (I know the password). Both running 10.3.9.<BR><BR>One was ...