1
vote
2answers
436 views

64 bit support with a 32 bit kernel in OS X Snow Leopard

I know that many apple laptops such as my Macbook 6,1 run a 32 bit kernel in OS X Snow Leopard. The kernel according to Apple can also run or "support" 64 bit applications. My question is how does the ...
0
votes
1answer
764 views

Why isn't my MacBook running 64 bit mode? [duplicate]

Possible Duplicate: My mac has 64-bit EFI, but it only boots with 32-bit kernel Why isn't my MacBook running 64 bit mode? It's a mid-2010 model, "MacBook 7,1" , with a Core-2 Duo. why would ...
2
votes
5answers
2k views

My mac has 64-bit EFI, but it only boots with 32-bit kernel

I followed the guide at http://macperformanceguide.com/SnowLeopard-64bit.html to boot into 64-bit mode. I had no problems with the instructions and on the boot screen it says "PAE enabled, 64bit mode ...
3
votes
4answers
3k views

How to know my kernel extensions are 64-bit ready?

Is there an easy way to tell whether all my kernel extensions will "survive" booting with a 64 bit kernel? I can of course try the "6-4 finger boot", but maybe there is a piece of hardware I use ...