heyyyyyy. check this out

i bought one of those chinese motherboards which get the UEFI package from American Megatrends and then enable options with the guiding principle of "YES."

check out how many juicy bits it has

you can turn the memory scrambler on and off! it even tells you the seed it has on, i think, this specific boot?

it has soooo many PCIe configuration options. port bifurcation is just the start of it. there's probably an option for every power related register

you can enable "PCIe Stop & Scream", whatever the hell that is

you can disable GPIO lockdown!
there's a function that prevents malicious UEFI Flash wearout, a type of attack I have not considered before. also you can turn it off
you can set UEFI boot stage breakpoints!

I think my favorite one is just

PCIe Stop & Scream Support [Disable]

@whitequark we all want to stop and scream little mobo, we all