I've got 2 sticks CTL as well. I was having trouble till I set timings to Sync, Expert, 6.2.2.2 @ 2.7 volts. I can run up to 188fsb at these settings, stable @ 200fsb @ 7,3,3,2.5 @ 2.7. Voltage doesn't seem to make a difference. The sticks also feel warmer than they ran in the KR7A-133r. Hope that helps..........goldie
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