OK- 16 MB chip is bios region, 8 MB chip is fd and ME region
Bios region is a 100 % identical stock bios 607 with machine specific data - OK
ME region has corruption in MFS partition.
Put those 2 files together for a complete firmware image: Use a hex editor and copy the content of the 16 MB file at the end of the 8 MB file thus generating a 24 MB firmware image.
Use this for:
Post the result.
Edit:
I doubt that this is the reason for the board not starting, the bios region is perfectly fine and the ME region shouldn’t even have been touched by the update since Asus updates for these boards don’t contain ME regions/ complete images.