Full install instructions for installing Fedora Core 5 on a Sony Playstation 3 using OtherOS Installer released by Sony.
http://ps3.qj.net/PS3-Linux-The-void-has-been-filled-Full-install-instructions-for-Fedora-Core-5-/pg/49/aid/73144
Also, here is a short video with voiceover of Fedora Core 5 Linux PPC installed and running.
http://www.youtube.com/watch?v=_ZXcuhJkwx4