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Title: How to enable Crossfire in GUIMiner? Post by: favelle75 on May 01, 2013, 05:47:57 AM I have two 7770's in CrossFire, but for the life of me I can't get GUIMiner to use both of them. In the "device" drop down menu, it shows both of them, but how do I get them to run at the same time?
Title: Re: How to enable Crossfire in GUIMiner? Post by: favelle75 on May 01, 2013, 07:11:50 AM I think I solved it. I just opened multiple instances of GUIMiner and chose one 7770 in one and the other 7770 in the other one. Seems to be working because when I change the OC on either card, it affects the hash rate independently. I'll see how my shares add up though to make sure its working.
Title: Re: How to enable Crossfire in GUIMiner? Post by: nwoolls on May 01, 2013, 12:45:02 PM I have two 7770's in CrossFire, but for the life of me I can't get GUIMiner to use both of them. In the "device" drop down menu, it shows both of them, but how do I get them to run at the same time? You can create a new "miner" from the File menu, or duplicate your existing miner in GUIMiner by right-clicking the tab and clicking Duplicate. Setup one miner for one card, and another for the other. Then click View>Show summary and you can start/stop the miners from there.Here's a picture (https://www.dropbox.com/s/snyykggihiniwcg/guiminer_2miners.png) of the final setup in case it helps. I'm also using the OS X version of GUIMiner so hopefully the steps are the same for you. Title: Re: How to enable Crossfire in GUIMiner? Post by: favelle75 on May 01, 2013, 04:25:35 PM Looks good. What GUI interface do you have because mine looks nothing like that.
Mining at 2x 185Mhash/s....everything seems to be going good! Thanks. :) Title: Re: How to enable Crossfire in GUIMiner? Post by: os2sam on May 01, 2013, 08:57:02 PM I have two 7770's in CrossFire, but for the life of me I can't get GUIMiner to use both of them. In the "device" drop down menu, it shows both of them, but how do I get them to run at the same time? I have heard that you don't want to enable crossfire for mining because it will limit the performance of one GPU, or something like that. Title: Re: How to enable Crossfire in GUIMiner? Post by: favelle75 on May 02, 2013, 01:49:09 AM Yeah, I do have CrossFire enabled in CCC though and it still works....but in GUIMiner, I treat the cards as separate. I am getting the fulkl 185-188Mhash/s from each card though, so I am happy.
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