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Do boards with a nvidea chipset support crossfire?

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January 24, 2012 2:15:55 AM

I recently bought two radeon HD 6870s to run in crossfireX, after hours of troubleshooting i have had no success.

I looked up my motherboard to find that it has a nvidea chipset.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

After googling i found some claims that motherboards using nvidea chipsets dont support crossfireX.

Im wondering if theres any truth to all of this.
January 24, 2012 2:59:53 AM

Update ur bios ,u r system support crosswire,
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January 24, 2012 3:02:22 AM

Ive already made sure my bios has the latest version.

1 card works fine, even two cards work fine. Its crossfire that wont work, i have no option for it in CCC and it will list my second cad as a disabled adapter until i plug a monitor into it.
January 24, 2012 3:04:13 AM

See u r powersupply is enough to crosswire in asus watts calculater
a b V Motherboard
January 24, 2012 3:06:05 AM

Boards with nVidia chipsets do not support crossfire. nVidia prevents that.
January 24, 2012 3:08:56 AM

megamanx00 said:
Boards with nVidia chipsets do not support crossfire. nVidia prevents that.


I was hoping this was untrue. Can anyone recomend a replacement for my current board?
a b V Motherboard
January 24, 2012 3:09:17 AM

You can force crossfire to work on that board, but you have to use Google for the answer. I believe it involves hacked motherboard driver. Those threads would be pretty old by now so it's going to take you a lot of searching.
a b V Motherboard
January 24, 2012 3:11:11 AM

Unfortunately you are correct. The product specs state that it only supports SLI. Due to this you have one of two options. Upgrade motherboard or to buy different GPU's returning the ones you have now. Here is your product specs.
http://www.asus.com/Motherboards/AMD_AM2Plus/M3N72D/#sp...
Best option would be a full upgrade to an Intel based system (i5-2500k). But this would add about $350 onto what you have already spent.
Memory- http://www.newegg.com/Product/Product.aspx?Item=N82E168...
CPU- http://www.microcenter.com/single_product_results.phtml...
But if you don't have a store near you
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Motherboard- http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
First motherboard has no on board USB 3.0 header while the second board does. Here are their specs.
http://us.msi.com/product/mb/P67A-G43--B3-.html#/?div=O...
http://us.msi.com/product/mb/P67A-G45--B3-.html#/?div=O...
January 24, 2012 3:15:33 AM

Hacked mobo drivers, this doesnt sound like it will end well :( 

I dont think given my situation, the solution is to go spend 400 dollars on a bunch of new parts. My computer runs great, even one 6870 can play new games fairly decently, and my windows rating is 7.1.
a b V Motherboard
January 24, 2012 3:17:10 AM

You could try this thread. More people bought 780i and 750i boards.

http://www.tomshardware.com/forum/287558-33-crossfire-n...

Anyway, if you want a to use crossfire without replacing your RAM you need an AM2+ board based on the one of these 790X/790GX/790FX. Something like this

http://www.amazon.com/MSI-K9A2-CF-F-DDR2-1066-Motherboa...

I wouldn't recommend that particular board though. It had some issues with 125W CPUs. Anyway check eBay.
January 24, 2012 3:20:49 AM

megamanx00 said:
You could try this thread. More people bought 780i and 750i boards.

http://www.tomshardware.com/forum/287558-33-crossfire-n...

Anyway, if you want a to use crossfire without replacing your RAM you need an AM2+ board based on the one of these 790X/790GX/790FX. Something like this

http://www.amazon.com/MSI-K9A2-CF-F-DDR2-1066-Motherboa...

I wouldn't recommend that particular board though. It had some issues with 125W CPUs. Anyway check eBay.


Perhaps i,ll return the cards for two nvideas. These cards were 165 each, whats a good nvidea replacement for around the same price?
January 24, 2012 3:42:57 AM

andrewcarr said:
560 Ti preferably if you can afford them.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Or if not then the 560
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

This should give you a general idea of how they perform.
http://www.tomshardware.com/reviews/gaming-graphics-car...

This is the improvement form 6870 CF to 560 Ti SLI.
http://www.anandtech.com/bench/Product/301?vs=441


Thank you for the links. I think i may try the hacked drivers route, or a new mobo. Everything just seems unappealing, and i only have 400 to work with after i return both cards meaning im out a gaming computer for awhile.
a b V Motherboard
January 24, 2012 3:55:05 AM

I say try the driver hacks first. I remember that essentially the dell drivers for the 680i boards were slightly modified to miss a file in order to allow crossfire. Good luck
!