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    New L3+ control board results in miner with superpower. Uses 50% less energy for same hashrate.

    I had a control board go bad, and so I replaced it, flashed the new control board to the antminer recovery firmware, and proceeded to install hiveon, and started mining. I literally did nothing else. A few hours later I remember that I forgot to autotune it to 504mh/s @ 660 W. Welp, to my...
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    240V PDU and Surge Protector recommendations

    I installed a 240v/30a (USA) breaker and cable, and decided on a 20a pdu. At the time I purchased, I didn't realize it has no surge protection, like most PDUs, so I got an over-voltage relay (not a true surge protector) as a better-than-nothing solution, while I decide what to do. The cheap...
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    Bolting two 2U cases together

    As the title suggests, I want to bolt two of these together, such that it essentially becomes a 4U case. Before I get into what I have in mind, I'd like to explain why I want to do this, in the hope that someone comes up with a better solution that I haven't considered. The case is designed to...
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    Buying Antminer s19* from alibaba

    It's surprisingly hard to find testimonials about buying antminers from China. The information I do find tends to be old. It's a bit unsettling because I'm about to drop 5 figures on antminers. I know to use trade assurance and deal only with verified buyers, preferably with many years on the...
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