- AppleRAID, RAID & SATA III PCIe cards note:
You can't upgrade your firmware if you are booting from a RAID array or from a SATA III card. The point is that need to be a single SATA device (HDD or SSD) connected to the Mac Pro southbridge SATA ports, not a RAID, not a SAS, not a PCIe device, not a PCIe SATA controller, not a PCIe AHCI blade. Open your Mac Pro, remove all RAID controllers, PCIe SATA cards, PCIe AHCI or NVMe M.2/U.2 drives, disconnect all RAID drives, including AppleRAID, and use a single SATA drive connected into a backplane native SATA port. Keep it simple and use Apple defaults when upgrading Mac Pro firmware.
Btw, Mojave don't boot from SoftwareRAID/AppleRAID arrays or any hardware array that present to the OS as multiple disks.
It's uncommon but sometimes you can't upgrade from PCIe AHCI and NVMe blades too, so use the same advice if you have any problems while upgrading the firmware."
Does this mean my PCIe SSD in slot 3 will not upgrade firmware or not upgrade period? It did the initial Shuty down and hold the power button okay and it started the Mojave install for the first 10 or so minutes but now it appears to be dead in the water after the first restart. I've backed up all the drives so maybe I can relaunch in target mode to somehow access the PCIe SSD where one partition is untouched. Not having a boot screen is a real downside here. Maybe ultimately I can install a spinning drive in one of the slots and upgrade that then bounce it to my PCIe SSD through Carbon Copy Cloner. Boy this is fun.
Does this mean my PCIe SSD in slot 3 will not upgrade firmware or not upgrade period? It did the initial Shuty down and hold the power button okay and it started the Mojave install for the first 10 or so minutes but now it appears to be dead in the water after the first restart. I've backed up all the drives so maybe I can relaunch in target mode to somehow access the PCIe SSD where one partition is untouched. Not having a boot screen is a real downside here. Maybe ultimately I can install a spinning drive in one of the slots and upgrade that then bounce it to my PCIe SSD through Carbon Copy Cloner. Boy this is fun.
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