Hi,
I gues i have find the solution.
This MOD gives
28.5 mh/s stable with claymore for a while.
download mod 28.5 mh/sThis is another mod which give
29.8 mh/s stable since few hours.
download mod 29.8 mh/sASUS-MINING-RX470-4G-LED-HYNIX-BETA-MOD-(RX570).rom
This mod is for second edition of ASUS' RX470 VGA card.
Actually it is RX570, but i guess manufacturer renamed is as RX470.
Model Name :MINING-RX470-4G-LED
Description : MINING-RX470-4G-LED//RX470,DVI,4G,D5
Product Number : 90YV0AY2-M0NB00