[REQUEST] HP G7 1105SG

Hello
Can anyone unlock this HP insydeh2O Bios??
I need Advanced Menü for disable ATI GPU, Secure boot, and enable Lagacy boot.

Current I use the F66 (sp60864) Bios but is signed and can´t unlock.

http://h10025.www1.hp.com/ewfrf/wc/previ...6&sw_lang=

which Bios can be unlocked?

Thanks and sorry for my englisch.