4/22/2023 0 Comments Sierra for mac pro 1,1To find your current version, click on the Apple at the top left of the screen and select About This Mac.įrom the Overview window click on System ReportĬheck which Boot ROM version you currently have. If you have a metal graphics card and want to upgrade to macOS Mojave, or just enable your Mac Pro to install and boot from High Sierra or later on a PCIe NVME drive, Boot ROM version 144.0.0.0.0 is required.ĭepending on which versions of OS X you have previously installed on your Mac Pro will determine which Boot ROM Version you currently have. The process is the same for 2009 MacPro4,1 models that have been flashed to 5,1. This guide explains the simple process for updating to the latest firmware version for all 20 MacPro5,1 models.
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