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Re: grub-efi with latest mac mini
From: |
Vladimir 'φ-coder/phcoder' Serbinenko |
Subject: |
Re: grub-efi with latest mac mini |
Date: |
Fri, 08 Jun 2012 20:50:14 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120510 Icedove/10.0.4 |
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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- Re: grub-efi with latest mac mini, (continued)
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/09
- Re: FW: grub-efi with latest mac mini, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/06/10
- RE: FW: grub-efi with latest mac mini, John Frankish, 2012/06/11
- RE: FW: grub-efi with latest mac mini, John Frankish, 2012/06/20
- Re: FW: grub-efi with latest mac mini, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/06/20
- RE: FW: grub-efi with latest mac mini, John Frankish, 2012/06/20
- RE: FW: grub-efi with latest mac mini, John Frankish, 2012/06/21
- RE: FW: grub-efi with latest mac mini, John Frankish, 2012/06/22
- Re: grub-efi with latest mac mini, irrational John, 2012/06/08
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/08
- Re: grub-efi with latest mac mini,
Vladimir 'φ-coder/phcoder' Serbinenko <=
- Re: grub-efi with latest mac mini, Seth Goldberg, 2012/06/08
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/08
- Re: grub-efi with latest mac mini, Seth Goldberg, 2012/06/08
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/08
- Re: grub-efi with latest mac mini, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/06/08
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/08
- Re: grub-efi with latest mac mini, Georg Wicherski, 2012/06/08
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/08
- Re: grub-efi with latest mac mini, Georg Wicherski, 2012/06/09
- Re: grub-efi with latest mac mini, Chris Murphy, 2012/06/09