I had been searching for hours on alternatives to wake on lan for a G4 Mac Mini I bought for a home server project, these posts
http://ubuntuforums.org/archive/index.php/t-1701534.html
http://ubuntuforums.org/archive/index.php/t-1889083.html
to a very useful linux package powerpc-utils for controlling the open firmware which can schedule the mac to boot up on week days and weekends and also turn off the very annoying and loud chime on startup.
