Updating processors mac
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The Mac Pro EFI upgrade was created by Mac EFIRom, a member of the Netkas forums.
Be sure to read the entire forum thread at the above site.
It's possible to find used processors on the salvage market, on e Bay, and in other places, but they are usually sold as is, or with very limited guarantees, such as "pulled from a known working computer." Another option is to upgrade to a 6-core Westmere processor, like the ones used in the 20 Mac Pros.
Normally, the 2009 Mac Pro wouldn't work with the 6-core Westmere processor, due to the limitation of the EFI firmware included in the 2009 Mac Pro.
This is especially true with the 2009 model of the Mac Pro, which uses processors that don't have top cases or heat spreaders.
The 20 models, however, are much more conventional, and a seasoned DIYer should be able to complete the process.
Upgrading the processor in a 2010–2012 Mac Pro is much easier than the 2009 model, mainly because of the changes Apple made to the processor socket and the types of processors it chose to use.That's because the new processor options are jumping to the front of the pack, adding ninth-gen Core i7 and i9 CPUs, in both six-core and eight-core versions.That marks the first time an eight-core processor has been available in a Mac Book, and Apple says it stands as the "fastest Mac notebook ever." Note that CNET may get a share of revenue from the sale of the products featured on this page.This unsupported hack also may not work with future OS X releases.Still, using the much more readily available 6-core Westmere processors in the 2009 Mac Pro may be worth the risk.