the X3 lib unpacker && packer already work on XBOX and pc unpack all X3 1.6 bios .
Some X3 eeprom config :
PS : all Hex here is not on x3 bios it's on X3 eeprom

The LBA 48 :=)
Normale partiton of XBOX NO LBA 48 :
HEX STRING : 2A2A 2A2A 5833 4D41 4749 4321 2A2A 2A2A 0101 00 ; the last 00 == NO LBA 48

partiton of XBOX With LBA 48 only F:\\ :
HEX STRING : 2A2A 2A2A 5833 4D41 4749 4321 2A2A 2A2A 0101 01 ; the last 01 == LBA 48 enable only F:\\
partiton of XBOX With LBA 48 only F:\\ up to 137Gig & G:\\ the rest :
HEX STRING : 2A2A 2A2A 5833 4D41 4749 4321 2A2A 2A2A 0101 02 ; the last 02 == LBA 48 enable F:\\ & G:\\
The X3 IGR :=)
NO IGR :
HEX STRING : 2A2A 2A2A 5833 4D41 4749 4321 2A2A 2A2A 01 00 ; the last 00 == IGR Disabled
IGR Ativate :
HEX STRING : 2A2A 2A2A 5833 4D41 4749 4321 2A2A 2A2A 01 01 ; the last 01 == IGR Enabled
The X3 live blocking :=)
NO X3 live blocking :
HEX STRING : 00EDFF0083F4FF0044A3FF 00 ; the last 00 == Live block Disabled
X3 live blocking :
HEX STRING : 00EDFF0083F4FF0044A3FF 01 ; the last 01 == Live block Enabled
X3 wireframe :
HEX STRING : 0000 0000 020A 00 ; the last 00 == Wireframe Disabled
HEX STRING : 0000 0000 020A 01 ; the last 01 == Wireframe Enabled
Enjoy

Wait and see....
Yoshihiro