The solution:
Enable power management to +20 in CCC....
I'm running unlocked @ 900 core: 380-400 Mhash/s
Donate if this fixed your problem:
1L3GxCRZwXEh8VwpPAociZQdTkhSHKGMoY
Grtz
Dude, I'm the one who posted the solution in the post directly above your post >_> How are you going to accept donations for posting my same answer right under my post?