As for graphics, I was able to get Thousands of colors instead of 256 somehow, but I did try installing the elusive Nvidia drivers for OS 9 version 3.5.1 for the MDD, and I don't think they'll work because this particular model of iMac has a GeForce 4 MX GPU, and OS 9's drivers are for the GeForce 2 series (as far as I know). Perhaps they can be hacked to include rudimentary support for the GeForce 4? Their not crashing anything, so that's positive.

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The iMac (17-inch Flat Panel) from 2002 is listed as an OS 9 compatible machine, and that has a GeForce4 MX in it. That particular version used the Mac OS ROM v9.5.1 which I also have. The difference appears to be that the later iMac G4s use DDR for the video memory where as the earlier ones don't.

Perhaps I'll attempt to apply the modification to that version of the ROM, load up an appropriate version of OS 9 and see if I can get some video acceleration working. I have the NetBoot9 image around here somewhere that appears to be a fairly driver-complete version of the system.

As for OS 9 on a G5 based system... well, I can't discourage anyone from dreaming big. :lol: I think with the difficulty in making it run on some G4 based systems though, the idea of G5 being supported is still rather out there. One step at a time, I say.