Nukl, thank you very much for your advice! Now I can access the 2020 Mhz Memory Clock, and I have 14.4 Mh/s, that's enough for me (Claymore's 9. 8 ). Maybe my BIOS will be useful to someone (GV-RX560GAMING-OC-4GD (Hynix)). https://cloclo9.datacloudmail.ru/weblink/thumb/xw1/7qBU/R63dT3HVj/rx560.jpg?x-email=undefined, https://cloud.mail.ru/public/JUgC/uwfjv8sJR.
Thank you. It's really improve my PowerColor RX560 Hynix, but not much. I can't set memory clock over 1900, so my hashrate only 13MB (original is 12.2).