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xXCrossXFire ClubXx --Because one's not enough :) - Page 85

post #841 of 3024
I.m using powercolor hd6870 x2 quadfire...
Mopiko Laila
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Mopiko Laila
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post #842 of 3024
Quote:
Originally Posted by djriful View Post
Room temp is 30.2'C

Mmhh... Ref card is at the bottom with 43'C idle...
Gigabyte Windforce 3X is at 50'C on top of the Ref.

What do you guys suggest? Should I swap it?

The Gigabyte seems to be sucking all the heat wave from the backplate of the ref card.
The ref card has as full aluminum back plate which is also to dissipate heats...
The reference card should always go on the top, as the Gigabyte cooler is not made to suck up all the heat from another card, put the non-ref on the bottom.

Quote:
Originally Posted by Reworker View Post
@ kcuestag,

I've had a few days off work and have been able to test my cards in their original slots (PCI-E_1 and PCI-E_2 x16) on my Z68X-UD7-B3 mobo. Due to issues with the USB headers I was not able to use the PCI-E x8 slot on the far left of the motherboard; I don't have a crossfire bridge that long either.

So at idle the first card is at 39c and the second card at 35c. This is with my Raven case fans on the high settings and no applications apart from MSI Afterburner running.

Running the Heaven benchmark @ 1920x1200 with medium tessellation, max temp on the first card was 74c, and on the second 65c. I think the better than average air cooling of my Raven case helps to offset the close proximity of the cards to some extent.

I don't have the funds at the moment to buy another mobo, so I will see how it goes until next pay day I've seen pics of the Asus Maximus IV mobo with HD6970's in crossfire and the gap spacing seems to be optimum. The reason why i went for the UD7 was due to the fact it could handle tri-fire GPU combinations. This still remains a long term goal.
Those temperatures sound a lot more reasonable, I wouldn't bother with a new board then, anything from 70ºC to 78ºC is great in Crossfire specially now because it is summer.

You've got great temperatures, although I don't quite get how did you fix it?

Either ways, I'm glad it got sorted out!
    
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post #843 of 3024
@ kcuestag,

Thanks - I'm not so sure what exactly fixed the problem either. In any case there are a few other peculiarities of this Z68X-UD7-B3 board, which despite being flashed to the latest F8 bios still has "double-boot" issues. I'm also concerned with the long term effects on the first card from the constant heat during games.

A friend is lending me his MIVE-Z motherboard next week as he is on holiday - I will try this board as it offers better card spacing than my Gigabyte, plus I'm keen to experience the Asus EUFI implementation. Overall very pleased with the performance of my two 6970's, but would like to improve their thermal environment.
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post #844 of 3024
Quote:
Originally Posted by kcuestag View Post
The reference card should always go on the top, as the Gigabyte cooler is not made to suck up all the heat from another card, put the non-ref on the bottom.

I'm not sure about this now. I did tested both setup with GPU-Z temp monitoring in the background.

Having a Ref on top of the Non-Ref ended up leaving the Ref to hit 80-90'C and some part hit 101'C.

I reversed it by having Ref at the bottom and Non-Ref at the top. Now both card sit between 70-80'C (73'C average) same gaming session duration and same map.

I think it depends on my chassis ventilation setup.
 
≡ Snowbaru ≡
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≡ Snowbaru ≡
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post #845 of 3024
Rbby258 - [2] - 6870
taken late with my iphone

Edited by Rbby258 - 8/26/11 at 6:57pm
I should game.
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I should game.
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post #846 of 3024
Got a HD 6950 Unlock + HD 6970 in CF.
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post #847 of 3024
I got a HD 6870 + 6850 in CF.
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post #848 of 3024
Cathal - 2 6870

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post #849 of 3024
lem_ ----- [2] 6850
post #850 of 3024
I got my crossXfire setup up and running yesterday

I am running 2x sapphire 6950's unlocked.

Here's the setup:









Only issue I have that I am not sure is an issue is my first card runs always at 500mhz/1375 in ccc when I check current values while my other card will run 250mhz/150?
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My System
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