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.



76414.4USD
60.5USD
1.59USD
0.11USD
2274.81USD
9.7USD
757.86USD
98.23USD
0.1USD
0.03USD
0.09USD



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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