setx GPU_MAX_ALLOC_PERCENT 90
setx GPU_USE_SYNC_OBJECTS 1
sgminer.exe --kernel darkcoin -o stratum+tcp://x11.greenpool.org.uk:3333
-u VuyQsmf8oyPx8g7tnqHQCF5p9nfgkamSo2
-p password

"intensity" : "13",
"vectors" : "1",
"worksize" : "256",
"kernel" : "x11mod",
"thread-concurrency" : "5121",
"lookup-gap" : "2",
"gpu-engine" : "0",
"gpu-memclock" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"gpu-threads" : "2"