I managed to successfully unlock my iron's hidden bios features so i just show you guys the steps i made. I do not recommend to do this, its just a part of my eGPU project. I made this tutorial with the newest 209 bios already flashed, so maybe you want it too. - Save your current rom file with AFUWINGUI v5.05.04., backup a lot of copies of this somewhere safe. - Run AMIBCP4.55.0070 and open .rom file - Go to Advanced in the left tree and you will see your advanced menupoints in your bios s