OS X Mountain Lion will be released this summer but presumably long before that we will know precise system requirements and what Macs are and are not supported by the new version of OS X. This list of compatible and incompatible Macs and system requirements are based off of the first OS X Mountain Lion Developer Preview and may be subject to change, we will update when we learn more about the specifics. Anything with an Intel GMA 950 or x3100 integrated graphics card.Older Macs and those with weaker GPU’s will likely be left behind:
Macs that are NOT expected to support OS X Mountain Lion MacBook – 13″ aluminum from 2008, 13″ from 2009 and newer.MacBook Pro – 13″ from mid 2009 or later, 15″ from late 2007 and newer, 17″ from late 2007 and newer.Macs that will support OS X 10.8 Mountain Lion This will happen by default with most OS X Lion compatible Macs, but Snow Leopard users won’t necessarily boot into the 64 bit kernel by default and will have to verify compatibility with the list of hardware below. Look for “ x86_64” to verify that a Mac is booting into a 64 bit kernel. The uname -a command will return something like this:ĭarwin MacBookAir 11.2.0 Darwin Kernel Version 11.2.0: Tue Aug 9 20:54: root:xnu-1699.24.8~1/RELEASE_X86_64 x86_64 You can check for 64 bit kernel boot suport by typing “uname -a” at the command line, launch the Terminal to do this. Internet connection required to download and install OS X 10.8.Ability to boot into OS X 64-bit kernel.64-Bit Intel Core 2 Duo processor or better required.Basic System Requirements for OS X Mountain Lion:
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