for those who come after me:
i’ve modded bios for missing menu items, to enable above 4g decoding, which resulted in black screen, but full boot.
step1
had to increase MMIOH limit, and the DSDT update.
context
fix, part1
it’s from Nov 21, 2023 - lucky me
fix, part 2
CreateQWordField not found; CreateDWordField instead
heavy reading, but playing with the programs will help give meaning.
did PCI-E bifurcation, which as has been reported, seemingly doesn’t work in
4x4x4x4, but works in 8x4x4 with Hyper x16 populated in slot 1 and 4.
haven’t updated u/m-code yet, first is PCI passthrough