Cannot be installed when booted from RAID startup array If you are booting from a RAID setup, you will not be able to install the EFI Firmware update on your Mac Pro. In order to install the update, ...
Startup failures Users continue to report botched firmware update processes, resulting in systems that will not startup. In most cases, these issues can be resolved with the aid of the firmware ...
So, I don't need help with anything. I finally got everything working, it was just a long 4+ day struggle and I would love to hear speculation as to WTF was causing the issues I finally defeated.