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Apple Computing Products:
macOS - Operating System
64-bit and Snow Leopard – What 64-bit means for you
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<blockquote data-quote="Derek McNelly" data-source="post: 896244" data-attributes="member: 47675"><p>Just to chime in, remember that a 64-bit processor with a 32-bit EFI will only run in 32-bit mode.</p><p></p><p>My Mid-2007 MacBook won't boot into 64-bit mode because of it's 32-bit EFI, the same reason I can only address 3 gigs of RAM.</p></blockquote><p></p>
[QUOTE="Derek McNelly, post: 896244, member: 47675"] Just to chime in, remember that a 64-bit processor with a 32-bit EFI will only run in 32-bit mode. My Mid-2007 MacBook won't boot into 64-bit mode because of it's 32-bit EFI, the same reason I can only address 3 gigs of RAM. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
64-bit and Snow Leopard – What 64-bit means for you
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