Linux won't run on PPC G5 2.0GHz dual

--luke--'s picture

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Hi everybody,
I've installed Squeeze 64bit on PPC G5 dual 2.0GHz, but when started the monitor become totally black and appear a text that says: "out of scan".
So I try to install Lenny 64bit, but it won't run because yaboot is not founded despite there wasn't problem when installed.
I thought it might be the 64bit version and then I've tryed 32bit, but the installer stops on open firmware white screen, also with the option "video=ofonly".
Anyones know an exorcist?