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Title: 5850 + 5870 Mining Post by: ChanceCoats123 on February 11, 2012, 09:51:16 PM I'm always searching for cards to add to my mining fleet, but with the inflated prices of 5870's it's difficult to find the cards in the price range I want. I can occasionally find 5850's though. I have space in two rigs for one card each. One rig is empty (not currently running ) and the other is running with a 5870 right now. I would add to the running rig first, obviously, but my question becomes this:
If I'm running a 5870 and and 5850 in the same rig, will the 5870 only produce the mhash of the 5850? I'm wondering because when you crossfire a 5850 and a 5870, the 5870 drops to the clocks/performance of the 5850. But is crossfire required for mining, or can I simply plug the card in and the device manager will see it, and I start mining? Is anyone currently doing this? If so I would sincerely appreciate any and all advice you can give me. Thanks in advance!!! -Chance Coats Title: Re: 5850 + 5870 Mining Post by: Chomp on February 12, 2012, 01:43:20 AM I have 2x 5870 and 5850 running in windows. To get windows to recognize my cards I had to crossfire the 1st time. after crossfire drivers are installed you should turn it off in ccc for full speed.
Title: Re: 5850 + 5870 Mining Post by: ChanceCoats123 on February 12, 2012, 05:45:03 AM Thank you! No dummy plugs necessary?
Title: Re: 5850 + 5870 Mining Post by: ssateneth on February 12, 2012, 06:24:37 AM I never had to crossfire, ever, and I have mixed 5830 + 5870. Dont need dummy plugs since driver 11.7. best sdk for 5xxx is 2.1
Title: Re: 5850 + 5870 Mining Post by: bangra on February 12, 2012, 01:59:23 PM Running mixed 5850's and 5870's with no issues
Title: Re: 5850 + 5870 Mining Post by: ChanceCoats123 on February 12, 2012, 05:40:22 PM Thanks everyone! I appreciate it!
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