Here is my setup:
My setup x2 r9 290 PowerColor (Now running at 1.712Mh/s)
I have spent 3 wasted days trying to sort out getting my cards above 500 kh/s.....ahhhhh Anyway here is my solution to finally sorting it out:
1. You need windows 64bit (32 bit didn't work for me)
2. SDK 2.9 or latest
3. Latest Catalyst 13_12
4. Cgminer 3.7.2
5. Add these commands one at a time by clicking on start and pasting into the space that says "search programs and files"
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
6. IMPORTANT I needed 8GB of RAM install in the PC (as I couldn't get the thread concurrency (TC) above 8192 with only 4GB of Ram) I was getting -4 errors when running cgminer and LOTS of Hardware Errors (HW).
7. I have used the following cgminer.conf for two cards (probably needs tweaking but I'm happy at the moment):
{
"pools" : [
{
"url" : "Add your pool address here",
"user" : "Your user name",
"pass" : "Your password"
}
]
,
"intensity" : "19,19",
"vectors" : "1,1",
"worksize" : "512,512",
"kernel" : "scrypt,scrypt",
"lookup-gap" : "2,2",
"thread-concurrency" : "33280,33280",
"gpu-engine" : "967,967",
"gpu-fan" : "50-85,60-85",
"gpu-memclock" : "1500,1500",
"gpu-memdiff" : "0,0",
"gpu-powertune" : "11,11",
"gpu-vddc" : "1.032,1.032",
"temp-cutoff" : "92,92",
"temp-overheat" : "85,85",
"temp-target" : "80,80",
"auto-fan" : true,
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "60",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}
Oh yes for the TC I also needed to use multiples of what my cards shaders are. i.e my shaders = 2560 therefore 2560 x 13 = 33280 before I added extra RAM I couldn't get the TC above 8192.
The two cards are running at 800W (total including motherboard etc) I'm sure I will beable to reduce that now I've got it working
Oh and the cards are running at 77oC & 83oC
So that is my solution thanks to all comments here.......
I've just started using CGWATCHER to control all my differn't rigs its really impressive...give it ago....