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.



90740.14USD
82.28USD
2.07USD
0.14USD
3111.08USD
13.48USD
891.57USD
136.73USD
0.13USD
0.05USD
0.13USD



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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