actually out of interest i googled a little and came across this peron's working config:
http://people.gnulinux.org.mx/drs/powerbook/XF86Config-4 also a bunch more info on this mail list message: http://lists.debian.org/debian-powerpc/2003/debian-powerpc-200306/msg00817.html > Hi Simon, > > sometimes the X sistem works but wrong resolution/settings prevent you > seeing anything on the screen. > I suspect this might be your case as otherwise you would be getting > some error messages from the xserver. > Try change the resolution with contro-alt and +/- (the plus or minus on > your keyboard) and see what happens. > You might be surprised....! > > > Pieter > > PS In any case don't give, up you'll succeed at last :-) >