Firmware update for Power Mac G5 SP 1.8 GHz

This update (900 KB) is only dedicated to the PMG5 SP 1.8GHz model (end of 2004) running Mac OSX.4 (OS X 10.4.3 and latter). It is supposed to improve the reliability of your Power Mac G5, especially after it has been inactive for two hours.
For additional info, please visit the dedicated page on Apple Support webpage.