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7970 Crossfire Help

post #1 of 17
Thread Starter 
I'm having problems with my crossfire setup. I originally installed 1 first then added the 2nd one 2 hours later. Now when I added the second one it works for a bit then the fan stops.

This is the sensor for the 1st card

cdk.png

this is the sensor for the 2nd card

7a5.png

Rig,

i7 - 2600k no over clock
8Gb Corsair Vengenace 1600mhz
Corsair TX950W
Asus P67 Sabertooth
Using 11.12
I've tried uninstalling drivers then reinstalling still no go on the second card.

ccczx.png

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post #2 of 17
Did you make sure you installed the crossfire bridge? And Through Catalyst that Crossfire is enabled??
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post #3 of 17
When you game in crossfire enabled games is your second card turning on and working?

I'm going to assume your 0% stats is because your second card isn't being utilized at that point. Notice your Core on 1st card is a 300Mhz. When it's being used it will monitor to 925Mhz at stock.

At 0C the fan is turned off and no need for it to idle. Also do you have a custom fan profile or is it on default auto settings?

Try a game out and then re-look at those stats. Left click each stat and chose 'max' to show what you maxed at while in game full throttle.

Also as Kritz said make sure crossfire is enabled in CCC.

Under "Graphics Settings" place a check in the box for "Enable CrossFire." Press the "Apply" button located at the bottom of the window. Confirm the choice by clicking the "OK" button. This will enable Crossfire on your system. Close the Catalyst Control Window after enabling the option.
     
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post #4 of 17
Thread Starter 
Yes Crossfire is enabled see below.

crossfirek.png

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Yup bridge is installed took a pic below.

52915256.jpg

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Also theres these nibs marked 2 1, I put the top one as 1 and the bottom as 2?

and now GPU-Z has this ULPS Active thing?

gyx.png

Also run 3DMark 11

http://3dmark.com/3dm11/2624039

Just got them today was hoping to jump in BF3 frown.gif
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post #5 of 17
Through my experience I have noticed that installing drivers with both cards installed works over installing drivers with one card installed (when you want to use dual cards)
post #6 of 17
Thread Starter 
Quote:
Originally Posted by XiDillon View Post

Through my experience I have noticed that installing drivers with both cards installed works over installing drivers with one card installed (when you want to use dual cards)

Yup I tried that just now used drive sweeper then re-installed.
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post #7 of 17
Quote:
The AMD Radeon HD 7970 has a new technology called ZeroCore Power, which shuts down the GPU during periods of long idle (when the screen goes to sleep). When the GPU goes to the power state the fan stops spinning and the GPU core itself consumes 0W while the rest of the PC is still running. This is a really interesting feature and we found that it works great. After the system is at long idle the video card basically shuts down and goes to sleep. With a single card in our test system the idle power was down to 86 Watts and with two cards in the system it was 93 Watts.


Normal..

D/L the new gpu-z, select the ? next to bus interface, follow directions.
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post #8 of 17
Ok Jshotz - I inquired on the [Official] AMD Radeon 7950/7970 Club Thread on helping you. I've been reading that thread since release and there's a lot of good members who've got your link and may come to assist in trouble shooting your problem.

I've not owned an AMD card for a little over a year now and only crossfired less than a month to be much of use. Good luck, hang tight.

Noticed your new to OCN - Welcome. smile.gif

Might want to go over to that club thread and join up. You'll learn a ton about your card being newly released and it's not ironed out yet.
     
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post #9 of 17
Thread Starter 
Thanks for all the help so far rep++
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post #10 of 17

I find that disabling ULPS makes crossfire run better.  Here is a thread about it.

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