This method solves 2 current issues:
•Legacy boot with AMD Radeon HD 7xxx and and Rx-200 graphics cards.
Allows full usage of Chimera/Chameleon to boot without use of integrated graphics. For details on the issue, see here.
•Legacy boot with GPT disks on ASUS 8-series motherboards.
Allows full usage of Chimera/Chameleon to boot GPT (GUID Partition Table) disks. No need to format MBR.