I want to add support for carrizo APUs to a motherboard.

BIOS/UEFI Modding BIOS Modding Guides and Problems
1

I have a GA-F2A88X-UP4 (rev. 3.0), and i want to add support for the AMD A8-7680 APU.

Already tried adding the CPU microcode and VGA rom onto the bios, but the device does not boot with the CPU installed.

Is there anything else i need to do?