![]() You can usually install a faster pin-compatible Core 2 Duo CPU to boost your 2006 Mac’s overall performance.īased on published system requirements, you might think that replacing the CPU would be enough to allow you to install and run OS X Lion on those Macs – and in general you would be wrong. In fact, Apple won’t even let you buy and download the Lion installer on these Macs.Īccording to Apple, OS X Lion requires a Core 2 Duo or later CPU, and in some cases, the processors in those first generation Macs are socketed rather than soldered in place, so it is possible to upgrade the CPU from a 32-bit Core Solo or Core Duo to a Core 2 Duo, which supports 64-bit operation. Except for the seriously underpowered Core Solo Mac mini, they all use the Core Duo CPU and are thus unable to run the OS X 10.7 Lion installer – or anything newer. Apple’s first generation of Intel-based Macs (not counting the pro-oriented 2006 Mac Pro and Xservv), is build around Intel’s first generation Core technology.
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