For people using the 2% fee miner with reference 290 cards (elpida memory in my case), here is my setup getting ~3.7MH per card with low rejects:
{
"pools" : [
{
"name" : "TRADEMYBIT X11",
"url" : "stratum+tcp://east01.us.trademybit.com:4440",
"user" : "user1",
"pass" : "pass1",
"pool-priority" : "0"
},
{
"name" : "TRADEMYBIT X11",
"url" : "stratum+tcp://west01.us.trademybit.com:4440",
"user" : "user2",
"pass" : "pass2",
"pool-priority" : "1"
}
],
"intensity" : "18",
"kernel" : "darkcoin",
"lookup-gap" : "2",
"thread-concurrency" : "20482",
"vectors" : "1",
"worksize" : "128",
"auto-fan" : true,
"auto-gpu" : true,
"gpu-threads" : "2",
"gpu-fan" : "40-85",
"gpu-powertune" : "20",
"gpu-engine" : "1000",
"gpu-memclock" : "1250",
"temp-target" : "80",
"temp-overheat" : "92",
"temp-cutoff" : "95",
"temp-hysteresis" : "3",
"api-listen" : true,
"api-mcast-port" : "4028",
"api-port" : "4028",
"log" : "5",
"queue" : "1",
"scan-time" : "60",
"failover-switch-delay" : "60",
"no-pool-disable" : true,
"kernel-path" : "/usr/local/bin"
}