http://www.youtube.com/watch?v=A0YS2bdxBvg
http://www.youtube.com/watch?v=tyYcqXAf1fg





Overclock settings I used on the 680
1.025 volts
+100 gpu off set
+500 memory off set
+132 power set

2cd run oc settings
1.115 volts
+150 gpu off set
+510 memory off set
+132 power set

3rd/4 run Oc settings
1.125v
+175 gpu off set
+515 memory off set
132 power set