hello evry body,

i have an ibookg4 powerpc

under mac os x 10.4.11 (8s165)
poross : 1.33 gh2
512 mb
version kanel darwin 8.11.0
volume makintosh hd

please help me to delete this hell mac for all and install ubuntu

and please tell me which version of ubuntu that can be installed on this mahchine and how to burn it .
i tried ubuntu 10.4 and 12.4 i burn them with poweriso
i tryed to boot from cd holing the bottom C but ididnt boot.
please help me

thank you