New miner 8.0, bios mod and R9 290x tri-x - 315 mhs 
Thats my record. I have several 290x tri-x but only one of them gives me this result. Other between 295 and 305. Core 1100 / Mem. 1375 / voltage + 6 / temp. 82-84C. 320mhs is possible wih core 1140 but needs more air 
Thats my record. I have several 290x tri-x but only one of them gives me this result. Other between 295 and 305. Core 1100 / Mem. 1375 / voltage + 6 / temp. 82-84C. 320mhs is possible wih core 1140 but needs more air