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So you are saying that the stats there are only confusing us, and I don't have 6% HW errors? I'm mining at btcguild, the diff in my Miner status is 128 under "Diff". Although I am curious what Diff1,DiffA,DiffR,DiffS,LSDiff all mean.
Well the screen is documented clearly in cgminer
https://github.com/ckolivas/cgminer/blob/master/README#L534AntMiner's lack of documentation in the web interface is their fault.
Though my post above I thought it was obvious that DiffA means Difficulty Accepted.