setx GPU_MAX_ALLOC_PERCENT 100
cgminer.exe --scrypt -o stratum+tcp://nl.anoncoinpool.net:5555 -u xxxxx -p xxxx --thread-concurrency 11200 -g 2 -I 13 -w 256 --gpu-fan 30-75,30-75 --temp-cutoff 90,90 --temp-overheat 85,85 --temp-target 72,72 --gpu-memclock 1500,1500 --gpu-engine 1080,1080 --gpu-powertune -20,-20 --expiry 1 --scan-time 1 --queue 0 --no-submit-stale --lookup-gap 2

Sapphire Dual X 280x R9


Here is a proof:

https://anoncoinpool.net/images/proof.png