I used the "480LowEnergyOK" rom. It's been running for 4 hours now, dropped to 24-26mhash. dont know why.
Same here
I have XFX newest drivers: 16.8.3
In about 1 and half hour hashing dropped from 29.2 to 25.4MHs
Same ROM
Shall i use another rom?
If you decide to try - post your results here, plz