here is the modified bios. this bios brings up to 28.50 MH/SEC with only 85watt power usage.i have tested this bois and working super fine.it will defiantly
helpful for gigabyte rx 570 gaming 4g 4gb samsung memory users.
That got me ~28.50 MH/s @ 1150 Mhz / 1950 Mhz @ 85watt (Total system=165watt , system idle takes 80watt and graphic card takes nearly 85watt)
Core Clock - 1150
Memory Clock - 1950
FAN - 50%
Core Voltage - -96%
Power Limit - +10%
Temperature - 56 c
https://drive.google.com/open?id=0B3h40VsOK34jVDdyZ1pHWXdzSEE
