SHARE UR RIGS HERE with MSI P35 NEO-F with OC result

HERE is what i using

MSI p35-NEO-F
E2160
2X1GB DDR2-667 Corsair

i make it stable @ only 2.9Ghz
voltage was not increase, coz i can't find why nid increase voltage..
coz i make it stable @2.9 with auto volt

NOT STAble @ 3GHZ++with auto VOLT or i pump voltage to 1.35-1.6VOLT

WHY AR?