Dell Mini 9 OS X Discussion Discussion for installing and setting up Mac OS X on the Dell Mini and Vostro A90

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agreenbhm agreenbhm is offline
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Default 64-bit question - 09-20-2009, 01:16 PM

Ok, I'm a bit confused. The Mini 9 has the Atom N270, 1.6GHZ, correct? I've been lead to believe that it is NOT a 64 bit processor. This being the case, how is it that it can run Snow Leopard? Isn't SL 64 bit only?
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shines on shines on is offline
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Default 09-20-2009, 01:25 PM

The atom is not a 64bit capable processor and Snow Leopard has both 32bit and 64bit binaries. Snow Leopard dropped support for PowerPC processors, not 32bit processors.

Dell mini 10v OSx 10.6.2 | Windows 7
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reflex reflex is offline
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Default 09-20-2009, 01:48 PM

Originally Posted by shines on View Post
The atom is not a 64bit capable processor...
You're correct about most Atoms. Most Atoms, including all netbook CPUs, are 32bit only. But desktop/nettop Atoms are actually 64bit capable. I don't know how well they run 64bit instructions, and I don't know of any Atom motherboard that supports a large amount of RAM. But some Atoms can run a 64bit OS and apps.

As for Snow Leopard and 64bit, I don't have anything to add other than Wikipedia's info about it: "Kernel type: 32-bit or 64-bit Hybrid kernel".

Mini 9 | Intel 5100 Wifi | Ubuntu 10.04 Netbook
Mini 1012 | SSD | Intel 6200 Wifi | Ubuntu 11.10 64bit
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