G5 PCI-E OpenFirmware Rom Hacking?

Discussion in 'PowerPC Macs' started by zmttoxics, Jul 4, 2008.

  1. zmttoxics macrumors 65816


    May 20, 2008
    Does anyone know where I can get the information of video card rom hacking for OF based systems? I don't mean simply flashing a card, but the actual code required for a rom to make it compatible with OpenFirmware based systems. I read that some Mac OF based cards work in Sun SPARC based computers as well.

    I could just compare a pc and a g5 1900xt bios to see whats different, but I want to experiment, see if I can't take say an 8600 and make it OpenFirmware capable.

    All links, notes, mailing lists, and what have you of information is welcome. :D

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