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Author Topic: Can only run one Core at a time with GUiminer with my 5970  (Read 964 times)
jasond1979 (OP)
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September 30, 2011, 06:32:27 PM
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Hi maybe someone can give me a quick answer as to what I'm doing wrong.

1. I installed my 5970 on my windows xp 32 bit version computer, along with guiminer.  The problem is that I can add each core to a different miner definition say GPU 0-0, or 0-1  Cypress.  I can even run each miner one at a time.  But when I try to run them both at the same time my output actually drops  and I get less trying to run both then If I just run one GPU.


I also added a 5770 card and it shows up correctly assigned a miner to it, can run it separately but when I try to run it at the same time as one of the other GPUs it just doesn't put out much.

Any suggestions as to what to look for?

Also I have run my 5970 with Furmark to test it, and the power supply runs the card just fine its rated for 750 watts.

Thanks in advance for any suggestions.


Jason
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hmblm1245
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September 30, 2011, 06:50:08 PM
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Did you extend the monitor to the second GPU?
jasond1979 (OP)
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September 30, 2011, 09:02:35 PM
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I'm sorry by extend do you mean put a load plug on it?


Jason
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September 30, 2011, 09:46:21 PM
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no extend the desktop within the ati app. you need to extend the desktop like there is a monitor plugged into the second dvi port even if there is nothing there.

http://www.ehow.com/how_8121410_dual-screen-ati-5970.html

you dont need two monitors but you need to tell the ati drivers that you have "2" gpus that you want to use.
jasond1979 (OP)
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September 30, 2011, 10:25:26 PM
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Thanks will give it a try, hope the solution is just that simple.

Jason
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September 30, 2011, 10:30:57 PM
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i have seen this in the past with XP. i also have to use ati drivers 11.6 for xp rather then the latest.
jasond1979 (OP)
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October 01, 2011, 06:24:23 AM
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i have seen this in the past with XP. i also have to use ati drivers 11.6 for xp rather then the latest.


Yea I think thats what I'm going to have to use also.

Jason
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