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macrumors member
Original poster
Jan 10, 2018
Silly question that I haven't found an answer yet. Is it possible to permanently upgrade the EFI in a MacPro 1,1/2,1 to the true 64 bit version? I know you can use a "utility" like Piker's boot.EFI, but if you try yo install updates, they over write that boo.EFI and you're bricked.
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