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low 3dmarks on tri-fire set up?

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i just recently got a deal for an Hd3870, so now im running tri-fire, but the thing is that i dont see a lot of different from what my pc could do before i installed this card in. I followed a guide crossfire fire guide thinking i was doing it wrong but i still get the same results.

before tri-fire [hd3870 x2]:


after tri-fire [hd3870 x2 + hd 3870]


CPU at 3.61Ghz

RAM at 866Mhz
 

echo75

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Benchmark Scores 3Dmark06 = 15,253 for 8800GT, 3Dmark06 = 15,807 for HD 4870
That score doesnt impress me for a tri-fire setup, i agree something is wrong.

I may be wrong but isnt your CPU score a bit lowish?
 
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Your SM2.0 score dropped, which tells me it's a bad install of Catalyst drivers. What driver version are you using? With Vista I recommend you start here: http://forums.techpowerup.com/showthread.php?t=52502
Once the old drivers are uninstalled, it should be fine to have both cards installed with the CF bridge. Install the new drivers. It's also a good idea to have Speedstep disabled while overclocking.
 
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Your SM2.0 score dropped, which tells me it's a bad install of Catalyst drivers. What driver version are you using? With Vista I recommend you start here: http://forums.techpowerup.com/showthread.php?t=52502
Once the old drivers are uninstalled, it should be fine to have both cards installed with the CF bridge. Install the new drivers. It's also a good idea to have Speedstep disabled while overclocking.

Thanks i will try ur guide out, so far im using the latest Cat [8.5]. my uninstall methods were to uninstall CCC > go to safe mode and run driver sweeper > boot on normal windows and run driver sweeper once again.
 

ktr

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Bad scaling is my guess. Try bumping the testing resolution higher...and test again.
 
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does riva tuner being enabled [for fan adjustment] has to do with anything?
 

jbunch07

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also might help(if you haven't already) turn it to performance in ccc
 
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also might help(if you haven't already) turn it to performance in ccc

is that option under the crossfire branch? because i dont see it =\
 

jbunch07

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is that option under the crossfire branch? because i dont see it =\

if i was in front of my computer i would tell you how to get there.
its a profile under the control center.
 
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thanks, also does it matter where do it connect the monitor to?, because noticed after i install the drivers and restart, my PC finds the second card making my other card to loose signal force me to connect to the secondary card.
 
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Make sure catalyst AI is on standard or advanced. If it is disabled crossfire doesn't work properly.
 

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alexp999

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On my dad's rig he gets that CPU score on a q6600 @ 3GHz. have you got C1E/Enhanced Halt State/Intel Speedstep/EIST turned on in your bios.

Maybe your CPU is being held back and bottlenecking the extra graphics card?
 
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