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Re: Mac OS X Snow Leopard and 64-bit applications
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Re: Mac OS X Snow Leopard and 64-bit applications


  • Subject: Re: Mac OS X Snow Leopard and 64-bit applications
  • From: Tim Seufert <email@hidden>
  • Date: Sat, 29 Aug 2009 05:23:23 -0700

On Aug 29, 2009, at 1:18 AM, Eli Bach wrote:

I tried to describe that these are two separate things, namely:

1. The arbitrary limitation that if your computer 'only' as EFI32, Apple prevents you from booting into the 64-bit kernel.
2. For the set of computers that Apple enables the capability of booting into the 64 bit kernel (namely Intel Mac's with EFI64 firmware, and perhaps some other limitations), only a limited subset currently boot by default into the 64-bit kernel.

I don't think you understood me. I'll restate it more clearly: there are some EFI64 Macs which will not load the 64-bit kernel even if you attempt to override the default choice by pressing "6" and "4" during boot. Thus, EFI bitness is clearly not the only criterion, if it is one at all (we outsiders have insufficient information to know whether it actually is, IMO).


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  • Follow-Ups:
    • Re: Mac OS X Snow Leopard and 64-bit applications
      • From: Alastair Houghton <email@hidden>
References: 
 >Mac OS X Snow Leopard and 64-bit applications (From: rohan a <email@hidden>)
 >Re: Mac OS X Snow Leopard and 64-bit applications (From: Eli Bach <email@hidden>)
 >Re: Mac OS X Snow Leopard and 64-bit applications (From: Tim Seufert <email@hidden>)
 >Re: Mac OS X Snow Leopard and 64-bit applications (From: Eli Bach <email@hidden>)

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