MrToad did you use CBRom to perform the updates?
I used MMTool 3.22 and simply replaced the .bin modules for both controllers.
And I don't use RAID and only AHCI on the intel controller. Will try it to see if it actually loads.
Sorry for the false hopes. Worst case scenario the intel rom doesn't initialize and you just flash back to the previous bios. Or just use secondary Bios
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