im using this commands. and im using Sapphire 280x Toxic
{
"pools" : [
{
"name" : "NiceHash_X11_auto-switch",
"url" : "stratum+tcp://stratum.nicehash.com:4336",
"user" : "BTC",
"pass" : "f0=0;f2=0;f3=4;f4=3;f5=0;f6=0;f7=0",
"nfactor" : "10",
"algorithm" : "darkcoin-mod"
},
{
"name" : "NiceHash_X13_auto-switch",
"url" : "stratum+tcp://stratum.nicehash.com:4337",
"user" : "BTC",
"pass" : "f0=0;f2=0;f3=4;f4=3;f5=0;f6=0;f7=0",
"nfactor" : "10",
"algorithm" : "marucoin-mod"
},
{
"name" : "some third-party X11 backup pool",
"url" : "stratum+tcp://x11-backup-pool:3333",
"user" : "user",
"pass" : "pass",
"nfactor" : "10",
"algorithm" : "darkcoin-mod"
}
],
"failover-only" : true,
"failover-switch-delay" : "300",
"queue" : "0",
"intensity" : "18",
"worksize" : "256",
"lookup-gap" : "2",
"thread-concurrency" : "8192",
"shaders" : "0",
}