Quote from: BadgerHobbs on March 11, 2018, 12:51:38 AM

Just looking at the cgminer log and comparing with an older post on the forum, mine says this:

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Freq[195.00]

While someone else's from here (https://bitcointalk.org/index.php?topic=2353795.0) was this:

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Freq[615.17]

Is this possibly why i am getting such a low hashrate?

Hi,

What psu exactly ? We have experienced this when customers used PSU's out of specs. The 6 pin connectors deliver 12V. A cheap PSU delivers way less than the rating on the sticker for 12V.

That's why canaan offers 1600 or 1800W servergrade PSU's with only 12V+ outputs.. Can't tell you anything regarding this unless you post a log over 24hours with a PSU which has specs rated for the 741.

And yes 1 hashboard should hash 50%. It will light red but work. But this only works if you connect 1 PSU to 1 hashboard and leave the other one completely disconnected. If the voltage of your PSU drops too hard, the miner will run with lower freq = lower hashrate.

Also please don't leave any 6pin's disconnected on one board. that can damage the board.

regards.