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Author Topic: help! cgminer 1 ATI card - 100%load, 2 ATI card - only 50% load  (Read 2657 times)
waitingg
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April 19, 2012, 03:28:13 PM
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I used cgminer with one radeon 5850 and got 340MH/s (at 100% load)
But when I added second 5850 card  - I got only 250 MH/s on TWO cards. Cgminer shows, that both card are working at 44% (gpu activity)
Is there a way to make both cards work with cgminer at 100% load?
Anyone, help...

P.S. I run cgminer  on Ubuntu with these options:
"Cgminer -o POOL -u USER -p PASS -I10"
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bitlane
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April 19, 2012, 04:46:22 PM
 #2

Don't use I=10.
For a 5xxx series card, use I=8 as a MAX.....

That's your problem right there.

For my 5850's, I use

Code:
cgminer -o http://pool:8332 -u user -p pass -I 8 --auto-fan --gpu-engine 900 --gpu-memclock 180 --temp-target 69

With Windows 7, CAT 11.12, SDK 2.1 and CGMiner 2.3.3 this combo yields me just over 380Mh/s and everything stays cool in the process...
(fans under 50% most of the time and 66c to 69c temps).

waitingg
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April 19, 2012, 05:06:56 PM
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I tried to decrease intensity to 5, but no change - still 50% load (
bitlane
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April 19, 2012, 05:08:56 PM
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I tried to decrease intensity to 5, but no change - still 50% load (

Check your driver and SDK versions to begin with and work from there.

waitingg
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April 19, 2012, 05:12:23 PM
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They are latest ..
Perhaps, shouldl try another miner...
BTW I'm using latest Ubuntu.
bitlane
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April 19, 2012, 05:22:52 PM
 #6

They are latest ..
Perhaps, shouldl try another miner...
BTW I'm using latest Ubuntu.

...and you lost me....
Sorry. I am a brain-dead Windows user...lol

The only thing I know about Linux for certain is the penguin and the amount of (male) virgins that use it Wink

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April 19, 2012, 06:10:31 PM
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Use Ubuntu 11.04

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April 24, 2012, 09:13:21 PM
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You could try Kano's guide, or is it Kanoi, it's in his sig. Follow both the Kano and Kanoi guides.   Tongue

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