iBook G4

Debian on PowerPC

PowerPC known issues (Ubuntu wiki)

Firefox 4 for PowerPC - Community builds and TenFourFox (optimized)

iMovie 09 - It works also on G4 processor :)

black screen and a loud, whirring fan on bootup - Logic board fix

Non charging battery - Solution 1, 2

No audio output - Clean your headphone jack on the ibook or plug/unplug two or three time your headphone.