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Old 12-26-2009, 01:56 PM   #1
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Crossfirex 5850

Hi!

I've been trying to make my 5850 crossfire work but it just doesn't. :/

The crossfire x option is enable on ATI Catalyst and everything is connected well...

Is there any other action I could take to test this?
 
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Old 12-26-2009, 02:08 PM   #2
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You don't need to have Crossfire enabled with a single video card. That is for dual cards.
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Old 12-26-2009, 03:51 PM   #3
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Yeah, Crossfire is for dual cards. You have one card in a PCI-E and another replica card on another PCI-E then you have a crossfire badge that will connect both cards, making it nearly two times as fast.

Just a reminder, if you connected a 5850 with a 4650, the slowest card will force other cards to scale down until it is at the same speed of the slowest card. Therefore 5850 will slow down to 4650 speeds which is considerably slower so I recommend you get two exact same cards for the best value and performance from crossfire
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Old 12-26-2009, 04:13 PM   #4
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Originally Posted by Earthful View Post
Yeah, Crossfire is for dual cards. You have one card in a PCI-E and another replica card on another PCI-E then you have a crossfire badge that will connect both cards, making it nearly two times as fast.

Just a reminder, if you connected a 5850 with a 4650, the slowest card will force other cards to scale down until it is at the same speed of the slowest card. Therefore 5850 will slow down to 4650 speeds which is considerably slower so I recommend you get two exact same cards for the best value and performance from crossfire
The 5 series wont cf with the 4 series.
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Old 12-26-2009, 04:14 PM   #5
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The 5 series wont cf with the 4 series.
That too LOL
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Old 12-27-2009, 04:12 AM   #6
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Crossfire doesn't downscale and hasn't done since the 4xxx series...
Alsol, is the OP trying to crossfire a 5850 to a 5850, or a 5850 to itself lol?
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Old 12-27-2009, 04:32 AM   #7
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Crossfire doesn't downscale and hasn't done since the 4xxx series...
Alsol, is the OP trying to crossfire a 5850 to a 5850, or a 5850 to itself lol?
Yeah, I couldn't tell from his post.....had me scratching my head something awful LOL.
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Old 12-27-2009, 04:44 AM   #8
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You all might have misunderstand OP's message, he might have two 5850's, he does say that the crossfire option is enable and all the connecters are "well".

If he ever comes back, maybe he can explain himself better.
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Old 12-27-2009, 04:54 AM   #9
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You all might have misunderstand OP's message, he might have two 5850's, he does say that the crossfire option is enable and all the connecters are "well".

If he ever comes back, maybe he can explain himself better.
If that's the case, I'd be glad to be of service....I have 2x HD5870 in CFX mode, no problemo.
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Old 12-27-2009, 05:15 AM   #10
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If that's the case, I'd be glad to be of service....I have 2x HD5870 in CFX mode, no problemo.
Lucky guy. You have two 5850's I cant even get my hands on one at the moment seeing as they are sold out every were
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Old 12-27-2009, 05:21 AM   #11
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Lucky guy. You have two 5850's I cant even get my hands on one at the moment seeing as they are sold out every were
Newegg is your friend.
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Old 12-27-2009, 05:42 AM   #12
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Lucky guy. You have two 5850's I cant even get my hands on one at the moment seeing as they are sold out every were
I can find loads in the UK.
I personally have a Sapphire 5870 flashed and overclocked to 1050MHZ on the core and 1300MHZ on the memory.
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Old 12-27-2009, 06:26 AM   #13
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I can find loads in the UK.
I personally have a Sapphire 5870 flashed and overclocked to 1050MHZ on the core and 1300MHZ on the memory.
Seeing as Newegg is out of the question for me as I am also in the UK would you mind telling me where you are able to get the 5850, sapphire preferably.
I have been looking for a while and all are out of stock. This GPU is the last component I need before I can get my first build running so any info will be very much appreciated!
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Old 12-27-2009, 07:59 AM   #14
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Lucky guy. You have two 5850's I cant even get my hands on one at the moment seeing as they are sold out every were
Really that is too bad because at Newegg Saphhire 5850 are $299 but even better if you need a power supply or just want on for free get the combo and you get a 600W Thermaltake PSU just for asking for the combo!

http://www.newegg.com/Product/ComboD...t=Combo.310962

1.
Sapphire Tech 100282SR:
$299.99


2.
Thermaltake W0388RU:
$69.99


Combo Discount: -$70.00
Combo Price: $299.98

Shipping for me is $5.99.

If I had $300 I would be getting this.
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Old 12-27-2009, 08:24 AM   #15
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Seeing as Newegg is out of the question for me as I am also in the UK would you mind telling me where you are able to get the 5850, sapphire preferably.
I have been looking for a while and all are out of stock. This GPU is the last component I need before I can get my first build running so any info will be very much appreciated!
Overclockers - VTX 5850

Aria - VTX 5850
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