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Changes to How to Upgrade the Firmware of a 2009 Mac Pro 4,1 Introduction

Edit by Josh Calvetti

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Introduction
Outline whatThe 2009 Mac Pro shares an identical motherboard with the 2010 model. With a firmware update, you are going can use newer CPUs and upgrade to teach someone how macOS 10.12 and 10.13. [ ] It is important to do. note that you will need an official Apple GPU installed while performing the flash, so go ahead and dig out that old GT120 that came with the system when you purchased it if you've upgraded to a non-official GPU in the meantime.
Outline whatThe 2009 Mac Pro shares an identical motherboard with the 2010 model. With a firmware update, you are going can use newer CPUs and upgrade to teach someone how macOS 10.12 and 10.13. [ ] It is important to do. note that you will need an official Apple GPU installed while performing the flash, so go ahead and dig out that old GT120 that came with the system when you purchased it if you've upgraded to a non-official GPU in the meantime.
Summary
The 2009 4,1 Mac Pro shares an identical motherboard with the 2010 model. With a firmware update, you can use newer CPUs and upgrade be upgraded to macOS 10.12 and 10.13 be identical to the 5,1 model from 2010-2012
The 2009 4,1 Mac Pro shares an identical motherboard with the 2010 model. With a firmware update, you can use newer CPUs and upgrade be upgraded to macOS 10.12 and 10.13 be identical to the 5,1 model from 2010-2012

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