ASUS Crosshair VI Hero BIOS 7704 Enable Above 4G Decoding and Enable SR-IOV

I’ve been trying to use an NVIDIA Tesla K80 on my ASUS Crosshair VI Hero, but the board does not post with it. The Tesla K80 works in other systems with Above 4G Decoding enabled, and I’ve tried to enable it on my C6H, but I couldn’t find the option. Tried modding it with AMIBCP, and the option isn’t even there to begin with. I need a custom BIOS (preferably 7901 and later as am using AMD Ryzen 3700x) which adds two options: “Enable Above 4G Decoding” and “Enable SR-IOV”. Thanks a lot and have a nice day.