4/10/2023 0 Comments Mac pro metal capable gpuIt worked find with High Sierra & now with Mojave. Yeah, i just put a regular 'Sapphire pulse 8gb RX580' that I got from ebay for about £125. You will experience a black screen during the firmware upgrade process but you can check if it was successful via the system info in OSX (boot rom: 144.0.0.0.0 is what you are aiming for).Ĭan I ask what Mac OS version you were upgrading from? I thought I read that if you upgraded and previously installed High Sierra 10.13.6 (which I am on) you already had the firmware update ? Is this not the case ? If you are running a non-EFI card, just follow the instructions given by the Mojave installer. It won't update the firmware during the installation process if you try and execute the installer from a PCIe based SSD. One thing that I did discover through the process is that you need to run the OSX Mojave installer from either a USB stick or from one of the internal SATAII ports inside the 5,1 Mac Pro for it to update the firmware on the machine. It's a non-EFI card, but I'm not fussed by it as my computer stays on for weeks at a time. It has been incident free running Mojave & HDX with 2019.6. I tossed a Sapphire RX580 into my 5,1 Mac Pro a few days ago.
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