On 08.06.2012 20:34, Chris Murphy wrote: > a.) Mac Mini's EFI implementation can use either MBR or GPT schemes for > booting. > > b.) If this is a dual boot situation, Mac OS X is EFI only, effectively > requires GPT and an EFI System partition. Your particular Linux distribution > support of Apple's unique EFI, which is not UEFI, determines whether you will > boot Linux or Windows or whatever you're booting, either in EFI mode, or CSM > (BIOS emulation) mode. >
Wrong. EFI doesn't require GPT or other round. Mac OS X installer will refuse to install on GPT but if you force it, Mac OS X will be able to boot alright. Also Mac OS doesn't use EFI system partition other than for firmware updates. > c.) If CSM is required for the foreign OS, and this particular Mac mini, then > GRUB2 EFI is inapplicable. You'd use GRUB2. > And it necessarily means the nasty situation of hybrid MBR (disk appears to > be MBR to the foreign OS, and appears to be GPT to Mac OS). > You mix again 2 things: you can boot in BIOS mode (CSM) on pure GPT as well. Windows is an exception since Microsoft pretends that possible is impossible. -- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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