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You can't do that, only the Mac Pro can do that. The only reason the Mac Pro can get away with it is because its original unsupported GPU can be popped out and
by shinratdr 14y ago
You can't do that, only the Mac Pro can do that. The only reason the Mac Pro can get away with it is because its original unsupported GPU can be popped out and replaced with one that has drivers in 10.8. There is no GMA950/X3100 64-bit driver. You're SOL for running Mountain Lion on that machine, give up now.