You can help to unlock bios and show hidden menus, and change tolud because bios only recognizes 3gb,
https://www.dropbox.com/s/u7ptp1y4b9oshv...01-A0S.rom
upgrade cpu to t7600
https://www.dropbox.com/s/u7ptp1y4b9oshv...01-A0S.rom
upgrade cpu to t7600