Steps on how to flash modded BIOS on Gigabyte Skylake Motherboards:
1. Download FreeDOS ISO from here: http://www.freedos.org/download/
2. Use rufus to make a bootable FreeDOS USB: http://rufus.akeo.ie/
3. Plug in your USB and in the option “Create a bootable disk using” select FreeDOS
4. After rufus has finished making your bootable USB, put lordkag’s modded efiflash and your modded BIOS into the USB.
5. Now make the FreeDOS USB as the first bootable drive.
6. Once you get into FreeDOS, in the command prompt type in “efiflash NAMEOFBIOS.FX” without the quotations where NAMEOFBIOS.FX pertains to the name of the BIOS file.
7. Now your computer will do a power-off cycle once it finishes flashing.