i cant overclock the cpu host frequancy past 340 if i do it just doesnt boot up i have turned off c1e and speed step still no luck any sujestions 
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Model Name : GA-G41MT-D3V(rev. 1.3)
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M/B Rev : 1.3
BIOS Ver : f2
Serial No. : 
Purchase Dealer : 
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VGA Brand : ATi      Model : radeon x1950 xtx
CPU Brand : Intel      Model : E8200      Speed : 2.66
Operation System : Win 7 64-bit      SP : 1
Memory Brand : Corsair      Type : ddr3
Memory Size : 2 x 2gb      Speed : 1333
Power Supply : 500 W