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.



90246.02USD
81.05USD
2.09USD
0.14USD
3078.28USD
12.55USD
893.75USD
135.48USD
0.11USD
0.05USD
0.12USD



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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