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Date:      Wed, 7 Mar 2012 20:15:04 +0100
From:      Carsten Mattner <>
Subject:   Re: Single boot EFI Mac install
Message-ID:  <>
In-Reply-To: <20311.38687.874857.590780@gargle.gargle.HOWL>
References:  <> <20311.38687.874857.590780@gargle.gargle.HOWL>

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On Wed, Mar 7, 2012 at 6:13 PM, George Hartzell <> wrote=
> Carsten Mattner writes:
> =A0> Has anyone successfully installed FreeBSD as a single boot system
> =A0> on an EFI Mac?
> I'm not sure exactly what you mean by a single boot system.
> I have Mac Pro that runs Mac OS on on disk (actually a pair in a
> software RAID) and FreeBSD from another pair (gmirror RAID). =A0I
> suspect that I could pull the MacOS disks from the system and it would
> happily run as a FreeBSD only machine.
> I believe that I set up the disks using the mac tools and then did an
> install from a DVD, but it's been a while.
> The only particularly trick-ish part is that I had to partition the
> FreeBSD disks using MBR style partitions, that's (part of?) what the
> Mac firmware uses to decide to turn on it's PC-style BIOS emulation,
> which FreeBSD needs before it can get itself going. =A0GPT partitions
> will not work. =A0Every once in a while the machine hangs at boot time
> but I haven't seen it in a while.
> What happens if you just throw a FreeBSD DVD in the drive?

I'm pretty sure I can install FreeBSD.

The real question is: Are there EFI bootable FreeBSD images?
rEFIt works but cannot be convinced to stop delaying the boot
process by ~20 seconds (even after deleting PRAM and bless'ing
the partition). That's why I've been looking for native (EFI) boot options.

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