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OS X - Operating System General OS operation information and support

Upgrading EFI from 32-bit to 64-bit on Mac Pro with 64-bit processor


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Gemless Ear

 
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I have been investigating the possibility of instalkling Fedora (Linux) on a separate drive on my Mac Pro. But the EFI is only 32-bit (even though the processors are 64-bit), and does not support the Fedora installation. Does anyone know of a workaround for this problem, or a way to upgrade the EFI?
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chas_m

 
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There is no way to do that to the best of my knowledge.
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Gemless Ear

 
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Thanks. I have read of methods that are claimed to work, but I have no way to verify them. Let's see if anyone else has any input.
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Gemless Ear

 
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Found this on the internet, but I don't know enough to evaluate it.

http://blog.christophersmart.com/200...cluding-64bit/

Last edited by Gemless Ear; 04-21-2014 at 12:39 AM. Reason: forgot to include link.
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harryb2448

 
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Can't be done will always be 32bit EFI.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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