CPU Ref in ET6 = CPU Ref in BIOS / CPU Term * 1.2
MCH Ref in ET6 = MCH Ref in BIOS / CPU Term * 1.2
or
CPU Ref in BIOS = CPU Ref in ET6 / 1.2 * CPU Term
MCH Ref in BIOS = MCH Ref in ET6 / 1.2 * CPU Term