On May 8, 2010, at 6:22 PM, Bruce Johnson wrote:
It has to be done in DOS because Windows needs to access the Flash ROM of the video card to display anything, whereas a DOS display relies on hardware character generators on the video card that is unaffected by the higher level programming of the card.
I always wondered about that, thanks Bruce for the explanation. I assume this is the same for Mac when booted in single-user or open firmware? Something that has always been strange to me is that PC Hackintosh computers use regular PC ROM video cards under OS X and can't use a Mac ROM card at all. I haven't thought about it much, but for some reason it seemed reasonable to me that a Mac ROM Radeon 7000 PCI SHOULD work under OS X in a PC, but instead, you must flash it back to the original PC ROM to work under OS X in a hackintosh.
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