I have discovered some additional information that may help Apple currently implements EFI/uEFI 1.1 on their machines. Windows 7 64 bit requires uEFI 2.0 the same may be true of ubuntu/grub2. Open refits console and type ver to see the EFI version.
I have discovered some additional information that may help Apple currently implements EFI/uEFI 1.1 on their machines. Windows 7 64 bit requires uEFI 2.0 the same may be true of ubuntu/grub2. Open refits console and type ver to see the EFI version.