Why mac pro 1,1 can't run with Harpertown cpu?

Discussion in 'Mac Pro' started by Amethyst, Mar 1, 2012.

  1. Amethyst macrumors 6502

    Joined:
    Aug 8, 2006
    #1
    Because Apple EFI doesn't have CPU microcode or
    it hardware doesn't support?
     
  2. Neodym macrumors 65816

    Neodym

    Joined:
    Jul 5, 2002
    #2
    The 5000X chipset should support the 54xx series of Xeons, so its probably a question of EFI/Firmware. There have been quite some threads about that topic - so far no success stories afaik.

    With the preview of 10.8 Mountain Lion and the official cease of support for first-gen MP's there may be renewed interest in firmware mods - maybe the Harpertown support could eventually be added by some inofficial modification (see e.g. the CPUID speculation in post #147 over at netkas).

    Question is whether it'd be worth it, as the advantages seem to be comparably small (quick google search - no idea regarding the credibility).
     

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