Taken from a discussion in another thread, decided to start anew rather than hijack someone else's questions ...
I managed to get Leopard 10.5.8 running on my Pismo with G4 550 upgrade; System Profiler showed the right graphics card (ATI Rage 128) but no extensions loaded for it.
A little research lead me to http://nanchatte.wordpress.com/2008/05/14/installing-old-ati-rage-pro-128-video-drivers-from-tiger-into-leopard/ which describes how to use the ATI kexts from Tiger 10.4.11 in the Leopard installation.
Although the kexts greatly improved graphics response and enabled the system to run DVD Player (previously it would not open at all), the downside is that I get screen artifacts of the cursor when it changes shape from a pointer to a hand, but I find this acceptable.
DVD Player now opens but I get sound with no video - the screen remains black; I've even tried VLC with the same result.
Anyway, the point is that installing Tiger ATI kexts in Leopard on any unsupported machines should get your graphics working much better.
Tiger ATI kexts attached for those who need 'em
Cheers
Hugh
I managed to get Leopard 10.5.8 running on my Pismo with G4 550 upgrade; System Profiler showed the right graphics card (ATI Rage 128) but no extensions loaded for it.
A little research lead me to http://nanchatte.wordpress.com/2008/05/14/installing-old-ati-rage-pro-128-video-drivers-from-tiger-into-leopard/ which describes how to use the ATI kexts from Tiger 10.4.11 in the Leopard installation.
Although the kexts greatly improved graphics response and enabled the system to run DVD Player (previously it would not open at all), the downside is that I get screen artifacts of the cursor when it changes shape from a pointer to a hand, but I find this acceptable.
DVD Player now opens but I get sound with no video - the screen remains black; I've even tried VLC with the same result.
Anyway, the point is that installing Tiger ATI kexts in Leopard on any unsupported machines should get your graphics working much better.
Tiger ATI kexts attached for those who need 'em
Cheers
Hugh
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