Two hashboards of S9 both passed the single-board test, but the whole miner only had 2Th/s, one of the two boards without hashrate.Testing with an extended ribbon cable yields normal results.



87976.74USD
88.59USD
2.04USD
0.15USD
2896.83USD
13.81USD
880.46USD
135.67USD
0.1USD
0.04USD
0.17USD



During the single-board test, increase the frequency in the fixture configuration file and test again to see if the chip with low hashrate can be identified. Replace that chip accordingly.
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