Windows 7 x64, AMD R9 280x 3Gb cards, i downloaded additional tahiti kernel, getting:
...
Ok, got it working but just after I renamed tahiti_144.bin into tahiti.bin.
Damn you are right ^^ Well you see some stuff written / released here with a hot needle. Well ... thats why its a preview ^^
Mine are not working on Windows.
Can you be a bit more specific? What I could need get things better: GPU and driver version and - if you see some - the error message the miner prints out to command line

I'm having the same issue with my Vega 56 on the 18.5.1 driver.
Vega currently seems broken, working on a solution.
Fiji speed avg. 14 S/s too slow.

use little power, I think it user more power, speed is up.
For NVIDIA algo 144,5 use more power is the same 200,9
wait tuning for AMD....GO GO GO

I will start tuning for AMD asap - right now lets sort out the AMD driver troubles
