IFR Setup Edit

[gameboy95]

Hello,
i want to edit the SetupUtility to unlock some options...

Code:

0x9867C         Ref: USB Configuration, Variable: 0xFFFF {0F 0F 10 14 11 14 05 00 00 00 FF FF 00 26 00}
0x9868B         Ref: Chipset Configuration, Variable: 0xFFFF {0F 0F 12 14 13 14 06 00 00 00 FF FF 00 27 00}
0x9869A         Ref: ACPI Settings, Variable: 0xFFFF {0F 0F 08 00 09 00 07 00 00 00 FF FF 00 28 00}
0x986A9         Ref: CPU Configuration, Variable: 0xFFFF {0F 0F BF 00 C0 00 08 00 00 00 FF FF 00 0D 10}
0x986B8         Ref: Power & Performance, Variable: 0xFFFF {0F 0F FB 00 FC 00 09 00 00 00 FF FF 00 0E 10}
0x986C7         Ref: OverClocking Performance Menu, Variable: 0xFFFF {0F 0F 1A 04 1B 04 0A 00 00 00 FF FF 00 13 10}
0x986D6         Ref: Memory Configuration, Variable: 0xFFFF {0F 0F B5 0F B6 0F 0B 00 00 00 FF FF 00 28 10}
0x986E5         Ref: System Agent (SA) Configuration, Variable: 0xFFFF {0F 0F B3 0F B4 0F 0C 00 00 00 FF FF 00 29 10}
0x986F4         Ref: PCH-IO Configuration, Variable: 0xFFFF {0F 0F D6 04 D7 04 0D 00 00 00 FF FF 00 2F 10}
0x98703         Ref: PCH-FW Configuration, Variable: 0xFFFF {0F 0F BC 03 BD 03 0E 00 00 00 FF FF 00 3E 10}
0x98712         Ref: Thermal Configuration, Variable: 0xFFFF {0F 0F 46 0D 47 0D 0F 00 00 00 FF FF 00 46 10}

The variables are all 0xFFFF.... Do i have to assign variables or what do i have to do....?
(I just want to learn how to hack a BIOS )