Hello Miners and welcome to x11
X11 is the new revolutionary, that you will totally fall in love with when you try it out.
X11 offers around 50% less Watt usage compared to Scrypt. Except from cutting your electricity bill in half it runs around 30% cooler which is great when summer is just around the corner.
There is a lot of other perks to x11 but nevermind that at the moment and let us get you up and running.
First of you want to sign up on a pool (most likely found on the first page in Bitcointalk.org/cointhatyouwanttomine . After registration is done you want to edit your account and click on ’My Workers’. Here you can add new workers which means an instance where you point your rig to. Arguably the most common worker name is ’1’ and password ’x’ which will give you
’–u Username.1 –p x’ in the config later on. You would be best of creating one worker for each rig.
For mining x11 you want to use the SPH SGminer. From 4.0.0 version there has been some updates and this is the latest 4.1.0 SGH miner that will give you an extra 100-300Kh/s by default compared to the 4.0 version;
https://mega.co.nz/#!6ExQEIZR!skZC-GTW2ESXdue4R7DwF0CfbkzhoFq3qhLRkfbX_WI
For more versions check:
https://bitcointalk.org/index.php?topic=475795.0;all (Official SPH-miner Bitcointalk thread)
(There might be some detection from your virus program but everything in here is harmless and any threats should simply be ignored.)
As you extract the folder to the location of your choice you want to open a .txt document and start editing it right away.
Example for 280x cards your input would look something like this;
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
sgminer.exe --kernel darkcoin -o stratum+tcp://pooladress:port -u Username.Workername -p Workerpassword --thread-concurrency 8192 -I 13 --lookup-gap 2 --worksize 256 -g 2 --gpu-engine 1160 --gpu-memclock 1450
Save the .txt file as ”name.bat” (note that this file has to be in the SGminer folder but it is perfectly fine to add a shortcut to your desktop if wanted. Now simlpy launch the the .bat file and enjoy!
When you start to fiddle with the config it mostly comes down to your coreclock/memclock settings.
A lot of people who paste their config settings from Scrypt-configs might experience a lot of HW errors. Simply turn down Memclock until you find it stable. So what you want to do is raise the coreclock to closer to 1160 for most 280x cards. You should be able to start around 1050 and work your way up increasing 25Hz. If it crashes I would suggest you do not lower the coreclock and instead try to lower the memclock even further and see if it runs without crashing – if not, turn down coreclock.
Compared to scrypt, x11 has increased hashrate so what you want to aim for is;
290x ~ 2.7Mh/s
290 ~ 2.5Mh/s
280x/7970 ~ 2.3Mh/s
270x/7950 ~ 1.4Mh/s
What might get you confused is the low number of accepts. This is normal and your WU should be around 0.015 / Mh/s.
Example settings:
6970 1,6 Mh/s -I 20 -w 256 --lookup-gap 2 --thread-concurrency 8192 --gpu-powertune 20 --gpu-engine 970 --gpu-memclock 1400
7950 / 270x @ 1.358mh/s - I 20 w 256 tc 32765 eng 1150 mem 1425
7970 / 280x 2.2Mh /s --thread-concurrency 8192 -I 13 --lookup-gap 2 --worksize 256 -g 2 --gpu-engine 1160 --gpu-memclock 1450
290 2.5 Mh/s –I 20 -g 1 --shaders 2048 2 --gpu-engine 1000-1100 --gpu-memclock 1250-1300
290x 2.8 Mh/s - I 21 w 256 tc 32765 2 --gpu-engine 1050 --gpu-memclock 1500
Good luck miners!
