Hello,
first I want to thank you for your hard work, you have done this very good software.
A few days ago I transferred a lot of my mining rings and I am very pleased with the results so far.
I have difficulty and I would like advice on how to achieve a better results with Saphire RX580 8GB Hynix.
What I have done so far:
1. I did tests with several types of BIOS: custom straps for Hynix whit nice result in ETH, one click BIOS from SRBPolarisV3.5 and PolarisBiosEditor1.6.7
2. I have used configurations 8+8, 8+7, 7+7, 15+15, 16+14
3. My settings are: core 1250/900mV and memory 2250/920mV with no hardware errors

In all cases my best results are 900H/s. 

Thanks in advance!