Hey, all!
I have a 2010 cMP 5,1 basic quadcore cpu, in Mojave with a Sapphire Pulse RX580 8gb GPU. I have kept it mostly up to date, but it only had the 140.0.0.0.0 firmware. I recently ran the 2020-006 update and it seems to have bricked my machine. When it restarted, both monitors were black...