![]() Naturally applying any unsupported firmware update or changing the processor will void AppleCare and your Guarantee. ![]() Many thanks to MacEFIRom at for his Firmware Upgrade Utility which worked seamlessly and has the side benefit of enabling faster 1333mhz RAM and allowing audio out from the Mini Display Port. Well when I say simple replacement, I still had to upgrade the firmware to turn my computer from a 4.1 model into a 5.1 2010 Mac Pro, apparently the only actual difference between 20 models. Rather sad that this processor is not available from Apple and that no improvements were made to the beautifully engineered Mac Pro line in 2011, here’s hoping they will be upgraded in 2012, despite the rumours. Hence the headline grabbing “World’s Fastest” claim, along of course with the many others who have doubtless carried out this conversion, so let’s call it first equal. This chip is faster and better specified than any currently available from Apple (They only sell an older 3.33ghz), yet is a simple replacement job. I have installed a 3.46ghz Zeon W3690 (3.73ghz Turbo Boost) processor into my 2009 Mac Pro, replacing the original 4 core 2.93ghz chip, making it a 6 core machine with 12 virtual threads. ![]() Or How to Transform a 2009 Mac Pro into a 2012 Mac Pro
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