Hi folks,
That's my tunned BIOS for Sapphire RX560 4GB OC. Memory Vendor Micron
I modified timing(1750 strap) and default clocks for core(1125) and memory(2125).
https://drive.google.com/open?id=0BxqQLGRQnA2OOVNwVjlMVkEzQms 
 I am getting 15.1-15.2 MH/S in Eth + 100-115Mh/s in DCR
Proof:
Very stable.
Donations are welcome:
ETC 0x16c7d279423b79d46b6d94fd372dee018300ea81
EXP 0xe34ffcbe0b4735847b8e0d542328437ab495983a