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[SOLVED] 6850CF bf3 both gpu stuck at 40%

post #1 of 20
Thread Starter 
Hi:

I have 2 6850 clocked at 850-1000, i7 920, 6gb at 1600, CCC 12.1 +cap2

I am having issues in battlefield 3, running msi osd I see that both cards top out at 40% load and i get worse fps than a single card. What exactly am I doing wrong? Thanks
Edited by cdxliv - 2/20/12 at 3:01pm
post #2 of 20
Have you tested other games? How high is your CPU clocked. Can we have a MSI AB SS to check the temps and usage.
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Ishimura
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Silent Knight
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Intel Core i7 3770K @ 4.6GHz ASRock Z77E-ITX eVGA GTX 1080 Ti Hybrid AMD Radeon R9 16GB DDR3-2400MHz  
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eVGA SuperNOVA 750 G3 Define Nano S Logitech G502 Proteus Core PECHAM Gaming Mouse Pad XX-Large 
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Hard DriveHard DriveHard DriveCooling
OCZ Agility 3 60GB WD Caviar Green 1.5TB 2 x Seagate Barracuda 2TB XSPC Raystorm 
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post #3 of 20
Thread Starter 
Starcraft 2 runs at 70% for both cards, temperature around 55 degrees, and cpu is clocked at 3.2
post #4 of 20
Quote:
Originally Posted by cdxliv View Post

Hi:
I have 2 6850 clocked at 850-1000, i7 920, 6gb at 1600, CCC 12.1 +cap2
I am having issues in battlefield 3, running msi osd I see that both cards top out at 40% load and i get worse fps than a single card. What exactly am I doing wrong? Thanks


Are both of the 6pin power cables attached?
    
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1055T @ 3.5ghz GA-990XA-UD3 xfx 6850 crossfire 940/1150 @ 1.181v 2133mhz G skill 2x4gig 
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post #5 of 20
Thread Starter 
I will check that now
post #6 of 20
Quote:
Originally Posted by cdxliv View Post

Starcraft 2 runs at 70% for both cards, temperature around 55 degrees, and cpu is clocked at 3.2

What CPU is it? If your GPU is not being fully utilized then you may be CPU-bound, meaning your CPU, may be the bottleneck in your system.

Filling out your system specs in your user control panel will help us more accurately determine if it's a hardware issue or not.

EDIT: Just saw the post with the system specs in it. Your CPU is most definitely not the bottleneck, especially with a 12% overclock on it.

What kind of temps are you seeing on the cards?

Strange to see FPS drop when in crossfire. Something is definitely wrong.
Edited by lordikon - 2/20/12 at 1:22pm
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Foldatron
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Mat
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Work iMac
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i7 950 EVGA x58 3-way SLI EVGA GTX 660ti GTX 275 
RAMHard DriveHard DriveHard Drive
3x2GB Corsair Dominator DDR3-1600 80GB Intel X25-M SSD 2TB WD Black 150GB WD Raptor 
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2x 150GB WD V-raptor in RAID0 Win7 Home 64-bit OEM 55" LED 120hz 1080p Vizio MS Natural Ergonomic Keyboard 4000 
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750W PC P&C Silencer CoolerMaster 690 
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post #7 of 20
Is vsync on?
And what resolution do you play at?
post #8 of 20
Thread Starter 
all the power connectors are properly attached, temperatures are really good.... too good infact, 55 is the highest i have seen.
post #9 of 20
IMO first question should have been are you running with Vsync enabled or disabled?
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Le Box of Black
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Ocz Vertex 2  Samsung F1  Samsung F3 Samsung F1 
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HX1000 CM-Stacker 832 Flipped Naos 3200,G5,G400,G400s, G300, Kone+ Razor Destructor and Steelseries Qck 
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post #10 of 20
Thread Starter 
Vsync is off, I play at 1920x1080
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Overclock.net › Forums › Graphics Cards › AMD/ATI › [SOLVED] 6850CF bf3 both gpu stuck at 40%