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April 11, 2013, 10:57:28 PM |
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Well if you're mining bitcoins, with cgminer you can also very easily drop the RAM clock on it, that saves a LOT of thermal output. Bitcoin mining don't rely on memory as much as raw computational power. Personally I found a sweet spot at memory:300 and dynamic gpu_clock:600-800 so it can throttle if it does overheat, then I set the thermal ranges in cgminer to be 75 base target so it will clock up or return to normal if it's up to that, and 80 as the overheating where it will start to raise fan and throttle back, and 85 where it will cutoff and just take a break as it's overheat range. It's been working great.
Before cgminer had the really good thermal and clock code put in, last year I let it run and tried to clock with the regular program adjusters and I couldn't seem to keep the temperature down, so for a long while I had extra case fans and they still wanted to crank 85-95 range for a few months. I would say 90+ is bad, 80-90 is strenuous, and 75-80 is a fine range for a long few years lifespan.
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