Trying to get what configuration for an American Megatrends motherboard (v 2.21.1277)

I don't know if it uses UEFI or something else, and what parameters to change in order to create the right EFI (and if it's possible to do it)

https://preview.redd.it/wv1rnlk070r71.png?width=2650&format=png&auto=webp&s=27c3df9b1f92eada912b75adf6ff483534975059