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10.6: How to boot into the 64-bit kernel
Authored by: David Allen on Sep 15, '09 08:31:19AM
(pretty much anything released after early 2008) can do so
Not so. 64-bit chip + 64-bit EFI ≠ 64-bit mode. The list is a bit restricted. Basically '08 & '09 iMacs, '08 &'09 MacBook Pros and '08 & '09 Mac Pros and '08 & '08 xserves can boot into 64-bit mode. Brand new Mac minis and PowerBooks have both the chip and the EFI, but Apple does not grant them the kernel and they cannot boot into 64-bit mode.

David Austin Allen
Monterrey, NL, MX

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10.6: How to boot into the 64-bit kernel
Authored by: iandol on Sep 15, '09 03:09:58PM

Indeed, Apple have failed to port the drivers for their hardware for a number of their recent Macs. I find it amazing that they are unable to support their own hardware properly by rewriting their own kernel extensions for the limited pool of hardware they use...

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