guys. i have a sapphire rx 570 4gb itx single fan version. ive copy 1500 timings to the rest on top. hashing 29mh/s but couldnt lower the voltage. tried everything till 800mv the card still running 1.0v on the core.
tried claymore with -cvddc 900mv or 800mv doesnt change anything.

What could i do to lower the power. ive tried on afterburner reducing power limit or -100mv on the voltage did not help but only reducing the hashing speed by big margin.

other cards works well with the polaris editor by reducing voltage there.

bios here https://drive.google.com/file/d/0B0NDW4mL3FZAejZmUkc2RFJZTWs/view?usp=sharing