I got a bunch of them and none, I mean NONE of the overclock using wattman. I can lower the freq, or raise it, it does no difference in hashing at all, and the memory is only good at 1750MH. Go above that and the hash rate drops right away. I could reduce the wattage by undervolting to 950-1000mv and that lowers the power use, but still stuck at 22.2MH.
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