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https://bitcointalksearch.org/topic/5970-energy-efficiency-98901
Topic: HOW TO GET OVER 2Ghash with 3x5970's barely OC'd [CGMINER] (Read 10076 times)
? I dont understand.
My onboard graphics controls my main desktop, radeon #1 extends the screen where i dont have anything its just black
if i dont extend to one radeon, it gives me error in CGMINER where I can't set fan speed or read temperatures and even msi afterburner doesn't work
2243Mhash average now after about 12 hours
970-1000 watts jumping around at the wall
highest temp gets 86 degrees, maybe higher if the AC at my house was off, temperature target is 80, so if i OC more I'd be exceeding max temps possibly and of course the efficiency of watts isn't good but if BTC keep going up maybe i'll be tempted for a max overclock
Last point:
Intensity 8 is now getting me more Mhash than Intensity 9
Somehow I went from 2244Mhash/s to 2270 just by increaseing from 840mhz/280 to 850mhz/284
I have been doing this after opening CGMINER script:
1. open taskmgr as Admin and set cgminer priority to Realtime
2. Minimize all windows
3. Lock computer
In hopes (I think fulfilled hopes
) of decreasing GPU/CPU usage and increasing mhash 
? I dont understand.
I doubt it.. best way is to use intensity 9 and not use the PC my opinion....
my opinion.... i have the display from my card hooked up to a screen that is just blank black as well
I doubt it.. best way is to use intensity 9 and not use the PC my opinion....
my opinion.... Alright, I think you have it licked then. I wouldn't worry about that 30Mh/s as that will even out over a week. Just use whichever one you are most comfortable with. Hint: cgminer 
yes. I did donate to the creator
another NOTE:
Not sure if helps hashrate at this point but open taskmgr as Administrator and set priority of cgminer.exe to Realtime
Alright, I think you have it licked then. I wouldn't worry about that 30Mh/s as that will even out over a week. Just use whichever one you are most comfortable with. Hint: cgminer
At what vcore and memclock?
1.1vcore, memory always 1/3 of clock
840/280 1.1v
Diablo miner 2200Ghash
CGMiner diablo kernerl 2230Ghash
Maybe they should be the same hash rate, same kernel? would have to run each at least 12hrs for better estimations
CGMiner seems to more utilize the GPU's
At what vcore and memclock?
Good to hear that you have it all sorted out now mate. Those numbers sound much more in line with what people were getting with that kind of rig.
Yeah the one i was aiming for I think they lied or they just wrote down the highest number they saw hashing, said they got 739Mhash for 5970 with cgminer 2.3.1 @795mhz same as me
I'm getting 711.6 per card, maybe multi card setup makes it harder
same settings except looks like he's under linux (Debian Squeeze) fglrx-driver 12.1.1
E: 96% i'm assuming that's efficiency...
looks like 00.19% stale rate
Couldn't help it
overclock more cost 120 watts for another 100Mhash. Still worth it at these prices
Good to hear that you have it all sorted out now mate. Those numbers sound much more in line with what people were getting with that kind of rig.
Yeah.. I turn things like AMD cool and quiet off,...
Have fun
Have fun
Good to hear bud... Glad it's working out for you.
It was crashing when ASUS Power saving was in effect, set BIOS to ASUS Performance
1 core on my dual, 16x ratio, only 1.6ghz, ram at 800mhz, disabled everything I don't need
Now I think that's why my BAMT was crashing. BUt anyway I'm getting the same efficiency and I have more control over software under an OS I understand
Good to hear bud... Glad it's working out for you.
Well I'm 2135, 850 Watts at the wall, 795Mhz overclock
what is stock voltage? 1.125? I am unsure about the 5900 series....
You should be using cgminer by itself, nothing else....
Is it crashing after you make changes to the stock setting? or crashing at stock?
You should be using cgminer by itself, nothing else....
Is it crashing after you make changes to the stock setting? or crashing at stock?
intensity should be set in cgminer by hitting... g,i,GPU# and use intensity 9
you can use intensity 9 on all gpu's unless one is a desktop gpu and will be used on a regular basis... .I would use intensity 6 for a desktop gpu...
you can use intensity 9 on all gpu's unless one is a desktop gpu and will be used on a regular basis... .I would use intensity 6 for a desktop gpu...
okay at 750 base clock 1.075 or 1.085v my driver is crashing
intensity should be set in cgminer by hitting... g,i,GPU# and use intensity 9
you can use intensity 9 on all gpu's unless one is a desktop gpu and will be used on a regular basis... .I would use intensity 6 for a desktop gpu...
you can use intensity 9 on all gpu's unless one is a desktop gpu and will be used on a regular basis... .I would use intensity 6 for a desktop gpu...
depending on the card... 128 is best IMO.... 256 worked good on 7950 series card...
Try them all... see what works best for you...
Try them all... see what works best for you...
Definately not 64, 1860Mhash
128 = 1980
256 = 2000+ mhash
Now i get to test the -v and -i handles and i don tknow what the -failover-only is either
depending on the card... 128 is best IMO.... 256 worked good on 7950 series card...
Try them all... see what works best for you...
Try them all... see what works best for you...
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