Extensible Firmware Interface is a specification that defines a software interface between an operating system and platform firmware

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Disk Utility says: “Error: This disk doesn't contain an EFI system partition.”

After a clean install of Lion, followed by partitioning which again was followed by a installation of Ubuntu, I noticed some error messages of Disk Utitity. When verifying the volume I get told that ...
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How do I boot into the EFI firmware shell?

I'd like to experiment with the EFI shell on a MacBook Pro 2010 model. I am unable to find the keyboard sequence to hold on boot. Does someone know what the sequence is, do I need to boot from my ...
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What cool things can you do if you hack EFI

I think I'm right in thinking Intel Macs use EFI. I heard rumours that you can create low-level password protection and even install a shell. Info is sparse and limited. Have any power users hacked ...