These are my settings using lasybear's X11 mod kernel. I beleive the cards can be pushed a little harder, but I have no HW errors with these.
280x - 3.4MH (MSI)
sgminer.exe --kernel x11mod -I 16 -w 256 --thread-concurrency 8192 --lookup-gap 2 --gpu-threads 2 --gpu-engine 1150 --gpu-memclock 1500 --queue 0 --expiry 1 --scan-time 1 --no-submit-stale --temp-cutoff 90 --temp-overheat 85 --auto-fan -o stratum+tcp://......
270x - 1.9MH (Sapphire)
sgminer --kernel x11mod -I 16 --thread-concurrency 8192 -w 128 -g 2 --lookup-gap 2 --gpu-engine 1050 --gpu-memclock 1400 --queue 5 --expiry 30 --scan-time 30 --no-submit-stale --temp-cutoff 85 --temp-overheat 80 --auto-fan -o stratum+tcp://.......
280x - 3.4MH (MSI)
sgminer.exe --kernel x11mod -I 16 -w 256 --thread-concurrency 8192 --lookup-gap 2 --gpu-threads 2 --gpu-engine 1150 --gpu-memclock 1500 --queue 0 --expiry 1 --scan-time 1 --no-submit-stale --temp-cutoff 90 --temp-overheat 85 --auto-fan -o stratum+tcp://......
270x - 1.9MH (Sapphire)
sgminer --kernel x11mod -I 16 --thread-concurrency 8192 -w 128 -g 2 --lookup-gap 2 --gpu-engine 1050 --gpu-memclock 1400 --queue 5 --expiry 30 --scan-time 30 --no-submit-stale --temp-cutoff 85 --temp-overheat 80 --auto-fan -o stratum+tcp://.......
J_Atomic, thank you very much. Say it and therefore lasybear's? He has more performance? After all, for AMD to have a pool and other programs, such as the same cgwatcher. I got to your settings on your Asus R9 280x 3.34 (3.36) on the map. That's great. How do you downloads itself lasybear's? I noticed that the folder lasybear's taken from the site multipula sgminer.conf a file and when you run Setup from there takes a miner and not with bat file that I created as usual. Here is what is written in the file sgminer.conf
{
"pools" : [
{
"url" : "stratum+tcp://stratum.cryptotrain.net:4444",
"user" : "YOUR_UTC_ADDRESS",
"pass" : "x"
}
],
"intensity" : "18",
"vector" : "1",
"worksize" : "256",
"kernel" : "x11mod",
"thread-concurrency" : "8192",
"shaders" : "2048",
"gpu-engine" : "1100",
"gpu-memclock" : "1550",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.955",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-threads" : "2",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "60",
"temp-hysteresis" : "3",
"shares" : "0"
}
rapture333 thank you very much
---------------
It would be interesting to know approximately how much can I get UTC on multipule at X11 on their 4x280X and 4x270X
On a standard pool UTC now goes 500-600 coins per 24 hours.
I just lowered mine from 18 to 16 and I have still 1.9 Mh/s (R9 270) like in J_Atomic's config. 
