Here you go. To flash the bios, you could try to downgrade to release bios F1 (as long as your cpu isn’t zen 3), and then flash the modded bios using Q-Flash normally.
If you’re on Zen 3, you could use Flashprog to use flash the modded bios, be sure to backup the bios before flashing the modded bios using flashprog.
Use this to activate rebar globally on supported gpus, use this to activate rebar for Turing GPUs. Above 4G Decoding must be enabled and CSM must be disabled.