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January 13, 2012, 03:55:54 AM |
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Hi, I have a few 5830's and I'm trying to run two on one motherboard in Linux. They're both recognized, but when I activate the second card the total MH/S drops in half, and the second card therefore doesn't add any MH/S. I can see both GPU's (Cypress 0-0 and Cypress 0-1) but when only one GPU is running, it gets 250MH/S but when I add the second GPU it goes down to about 120MH/S on each GPU instead of 250MH/S on one GPU.
Is this a known issue with linux and multiple cards? I don't seem to have this issue on windows. I'm running Debian Linux and like I said, it's great with 1 card, but terrible with 2.
Thanks!
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