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gigabyte ati 4770 help volt mod with rbe causing problem

Nov 18, 2010
2 (0.00/day)
south africa
hey ive been trying to oc my gpu with riva tuner and got clocks around gpu/880 and mem around 900 but it wasnt stable sometimes it just crashes at first sight of 3D rendering and i thaught it wasnt enough so i read about volt mod and tried rbe set the voltages to 1.3 and sudenly it velt like my card was slower and i couldnt clock it any more riva tuner ,cpuid says my clocks are core is 750 and memory is 799 ,riva tuner says core is 1500 and mem 796 :confused: where did i go wrong please somone help me :(

its a gv-r447ud-1gi
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