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5870 crossfire

Last response: in Graphics & Displays
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October 18, 2010 11:46:06 AM

I just got my second 5870 now in crossfire is it normal for the first gpu to run at 98% activity and the second at 0%

More about : 5870 crossfire

October 18, 2010 12:38:42 PM

Crossfires enabled when i put my second card in it just automatically installed it for me!
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October 18, 2010 12:39:21 PM

windows 7 pro 64 bit installed it automatically
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Related resources
October 18, 2010 12:53:28 PM


gpu 1

gpu2

I reinstalled drivers
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October 18, 2010 12:58:44 PM

\"Photobucket\"></a><img" alt="" class="imgLz frmImg " />
1st pick gpu 1 second gpu 2
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October 18, 2010 12:59:12 PM

how in the world do i post screen shot???
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a b U Graphics card
October 18, 2010 1:00:07 PM

You have to upload screens to a site like imagehost first.
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October 18, 2010 1:02:08 PM

I have them on photobucket
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October 18, 2010 1:03:34 PM


gpu 1

gpu 2
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a b U Graphics card
October 18, 2010 1:04:25 PM

Then simply copy the screenshot url (the actual screenshot) then put at the end.
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a b U Graphics card
October 18, 2010 1:05:07 PM

Are you running in windowed mode or full screen?
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October 18, 2010 1:08:44 PM

I ran in windowed so I can see gpuz and ccc while playing still no activity on second card?
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a b U Graphics card
October 18, 2010 1:11:11 PM

Neither Sli or Crossfire works in windowed mode (or so I read).

Get a program like 3d mark vantage or 3d mark 06 and run it full screen both with and without crossfire on and you'll see it's working, hopefully.
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October 18, 2010 1:22:49 PM

ok 3d mark is downloading but i noticed that in windowed mode I get like 175 fps res 5 and full screen it can hit like 340 fps it gotta be working then I would assume?
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a b U Graphics card
October 18, 2010 1:39:58 PM

It'll be working, but try out 3d mark for extra peace of mind.
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October 18, 2010 1:42:54 PM

Ive never used it b4 what test do I run or is there just a monitor and log or something
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a b U Graphics card
October 18, 2010 1:44:29 PM

Just run it, watch a few demo's then you'll get a score at the end.
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a b U Graphics card
October 18, 2010 2:02:26 PM

You want to install these to:
http://sites.amd.com/us/game/downloads/Pages/crossfirex...
crossfire/sli only works in full screen as they mentioned.
If you have dual monitors, put gpu-z on the second monitor.
If you lose full screen focus on your game, learn to use the alt-enter command to bring it back. Everyone forgets that one.
Second with msi afterburner you can select what goes on OSD, I put fps,gpu1 temp,%load , same with gpu2 .
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October 18, 2010 2:04:12 PM

ok i tried to run 3d mark went through the gpu tests when it got to cpu test it got 0-1 fps then locked up and restarted??
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October 18, 2010 2:15:59 PM

xfx 650w modular how hot does the cpu get when running the cpu test? its a phenomiix4 965
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October 18, 2010 2:38:55 PM

ok if i turn on prime 95 it cuases my cpu temp to climb until the pc shuts off, whats too hot for this cpu i have it set to shut off in bios at 65 c also in hardware monitor it shows my cpu at 3500 mhz and its only a 3.4?
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October 18, 2010 3:00:40 PM

ok I let 7 of the test complete cpu got up to 79c never hit 80 then bounced between 76 - 79. i'm gonna try 3d mark again see what happens
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October 18, 2010 3:12:54 PM

ok I got through 3dmark my score is
3DMark Score 19392 3DMarks
SM 2.0 Score 7034
SM 3.0 Score 10490
CPU Score 4701
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October 18, 2010 3:58:01 PM

OK so I played res5 and activity on the second gpu i could catch at like 3% somtimes switcing back and fourth plus it heats up so I'd say its working, nest thing is I turned vsync on and my first gpu went form 98% to like 27% activity. My next question is if vsync takes my fps from like 200 to 300 down to 60 whats the point of crossfire? 1 of my 5870's blows that away?
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October 18, 2010 9:43:36 PM

I dont have any other games yet, Another question Ive seen countless forum post on this do I need 1 or 2 crossfire bridges?
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a c 216 U Graphics card
October 19, 2010 6:50:43 PM

minix69 said:
OK so I played res5 and activity on the second gpu i could catch at like 3% somtimes switcing back and fourth plus it heats up so I'd say its working, nest thing is I turned vsync on and my first gpu went form 98% to like 27% activity. My next question is if vsync takes my fps from like 200 to 300 down to 60 whats the point of crossfire? 1 of my 5870's blows that away?


Obviously, for this particular game, you have no use for crossfire. Your monitor only displays 60 FPS even if your video card is generating more. V-sync forces the card to only display at most 1 frame per refresh of the monitor.

However, with higher resolutions and more demanding games, you will likely have a use for it.

BTW, what resolution do you play at?
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October 19, 2010 8:54:21 PM

1440x900@60hz is my monitor max!
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a c 216 U Graphics card
October 19, 2010 10:05:21 PM

minix69 said:
1440x900@60hz is my monitor max!


What's the return policy of where you purchased your 2nd 5870? At your current resolution, you don't have much need for it.
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October 20, 2010 10:41:24 AM

well which monitor should I get?
I cant get the second returned! or the first for that matter
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a c 216 U Graphics card
October 20, 2010 5:03:32 PM

An eyefinity setup would definatly use the power of your cards. A single 1920x1200 would need the power of those cards on occation (Crysis, metro 2033 and other high end games would utilize the power).
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October 20, 2010 10:48:14 PM

I have an x2gen 19" monitor now should i just get another? I was looking at an iZ3D H220Z1 22", would 3d help use both cards?
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a c 216 U Graphics card
October 21, 2010 1:55:28 AM

You don't need to get a new monitor. If you are happy with what you have, that's all that matters. I was just mentioning that with your monitor setup, you probably don't need the 2nd 5870.
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October 21, 2010 10:17:01 AM

I like the idea of 3d though!
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October 21, 2010 10:17:35 AM

as far as eyefinity goes can i just get another 19" monitor or does if have to be the exact same one?
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!