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    SubjectRe: [PATCH[RFC] Quirk macbook pro 6,2 into ahci mode
    On Sun, Jul 18, 2010 at 14:34:46 -0600, Jens Axboe wrote:


    > See this is where I'm getting confused, since I'm not entirely sure what
    > the boot process is. If I boot a DVD directly, then it's in piix mode.
    > Booting through refit -> Linux, it's in piix mode. So my logic was that
    > it is probably getting switched into ahci mode by the OSX boot loader or
    > perhaps the driver does it there.

    If this helps: I switched from grub-pc to grub-efi on my oldish Mac
    mini Core 2 Duo (i945 chipset) and the hard disk used AHCI after this.
    Suspend also works fine. So I would guess that the AHCI/PIIX difference
    is caused by booting with EFI/legacy DOS bootblock, and the latter is
    just done for Windows compatibility.


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