[Toqi]

hi i from Turkish and maybe bad english sorry

and my question ;
i Zotac 660 ti overclocked Kepler Bios Editor and KGB bios unlocker now

my max boost only 1280mhz upper crashed
gpu clock and boost clock no problem
i where is incorrect?
i upload 2 image more detail here

 

[HeLeX63]

If it crashes in the upper 1280Mhz, back off and lower your gpu clock until it doesn't crash anymore