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Title: Motherboards, multiple gpu's Post by: Wes1180 on June 03, 2011, 01:23:57 AM I've been looking for a motherboard that would let me have two gpu's for mining (6950's) although it will have to be decent as it is a pc that I use for gaming.
So my question is, does the fact that 1 slot may be x16 but running at x8 make that much of a difference (if any) as the only motherboards that don't are £150 plus ($250) Here's a couple that I've came across, tell me what you think http://www.ebuyer.com/product/193443 (http://www.ebuyer.com/product/193443) http://www.ebuyer.com/product/255175 (http://www.ebuyer.com/product/255175) Also if those are no good, or you think there may be ones that are cheaper that may be usefull could you please post a link? Title: Re: Motherboards, multiple gpu's Post by: Kain on June 03, 2011, 01:41:16 AM I've been looking for a motherboard that would let me have two gpu's for mining (6950's) although it will have to be decent as it is a pc that I use for gaming. You could just get a motherboard with a 16x and a 1x and use an extender on the 1x to connect to a second card.So my question is, does the fact that 1 slot may be x16 but running at x8 make that much of a difference (if any) as the only motherboards that don't are £150 plus ($250) Here's a couple that I've came across, tell me what you think http://www.ebuyer.com/product/193443 (http://www.ebuyer.com/product/193443) http://www.ebuyer.com/product/255175 (http://www.ebuyer.com/product/255175) Also if those are no good, or you think there may be ones that are cheaper that may be usefull could you please post a link? For mining purposes, mining through a 1x gives the same hashrate. You can get said PCIE extender from Cablesaurus in the marketplace forum if you so desire. Title: Re: Motherboards, multiple gpu's Post by: Wes1180 on June 03, 2011, 01:48:17 AM I've been looking for a motherboard that would let me have two gpu's for mining (6950's) although it will have to be decent as it is a pc that I use for gaming. You could just get a motherboard with a 16x and a 1x and use an extender on the 1x to connect to a second card.So my question is, does the fact that 1 slot may be x16 but running at x8 make that much of a difference (if any) as the only motherboards that don't are £150 plus ($250) Here's a couple that I've came across, tell me what you think http://www.ebuyer.com/product/193443 (http://www.ebuyer.com/product/193443) http://www.ebuyer.com/product/255175 (http://www.ebuyer.com/product/255175) Also if those are no good, or you think there may be ones that are cheaper that may be usefull could you please post a link? For mining purposes, mining through a 1x gives the same hashrate. You can get said PCIE extender from Cablesaurus in the marketplace forum if you so desire. So in that case I can just use the one I have atm, well thank you you've been a great help. But what is this about dummy plugs, if you are running windows does gpus not in crossfire need a dummy plug in to emulate a screen attached or something? Just to make sure "Great for intense gaming & Bitcoin mining" is what it says on the site for the extender, what effect would that have for none mining purposes? Title: Re: Motherboards, multiple gpu's Post by: Kain on June 03, 2011, 01:57:05 AM So in that case I can just use the one I have atm, well thank you you've been a great help. But what is this about dummy plugs, if you are running windows does gpus not in crossfire need a dummy plug in to emulate a screen attached or something? Just to make sure "Great for intense gaming & Bitcoin mining" is what it says on the site for the extender, what effect would that have for none mining purposes? I think crossfire requires giher voltage, so the dummy plug is to run both GPU's at once without the extra drain. Of course, I'm not entirely sure, so that information may be completely false. Since the extender is going through a 1x slot, the gaming performance won't be as amazing, but it will still provide a bit of a boost. Title: Re: Motherboards, multiple gpu's Post by: wol-va-rine on June 03, 2011, 02:02:38 AM I've been looking for a motherboard that would let me have two gpu's for mining (6950's) although it will have to be decent as it is a pc that I use for gaming. You could just get a motherboard with a 16x and a 1x and use an extender on the 1x to connect to a second card.So my question is, does the fact that 1 slot may be x16 but running at x8 make that much of a difference (if any) as the only motherboards that don't are £150 plus ($250) Here's a couple that I've came across, tell me what you think http://www.ebuyer.com/product/193443 (http://www.ebuyer.com/product/193443) http://www.ebuyer.com/product/255175 (http://www.ebuyer.com/product/255175) Also if those are no good, or you think there may be ones that are cheaper that may be usefull could you please post a link? For mining purposes, mining through a 1x gives the same hashrate. You can get said PCIE extender from Cablesaurus in the marketplace forum if you so desire. or you could get it on ebay for half the price... Title: Re: Motherboards, multiple gpu's Post by: bitlock on June 03, 2011, 02:11:20 AM MSI 870-G45
Inexpesive, works good..... Title: Re: Motherboards, multiple gpu's Post by: lonestar on June 06, 2011, 05:16:37 PM MSI 870-G45 Inexpesive, works good..... Am I looking at it wrong? The MSI 870-G45 looks like it only has 3 total PCIe. Only two of which full size so the third would need an extension, right? Title: Re: Motherboards, multiple gpu's Post by: LegitBit on June 06, 2011, 06:26:59 PM 8x PCIE isn't much of a hit, a few fps here and there, totally inconsequential for mining.
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