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2x HIS HD 6950

It might be worth uninstalling the drivers, running driver sweeper and reinstalling.

I only have one 6950 flashed and run black ops at 1920x1080 maxed out and it copes perfectly. There are no issues or slow down so with 2 on a lower res you should be steaming along.
 
One definitely is. I cannot see the colour of the other one but I'm 95% sure it is in the blue PCIx slot.

Actually, I just looked at an image of my motherboard, from the net, with nothing in it and I can definitely say they are both in the blue x16 slots. I will check the BIOS setup and see if there's anything out of place to do with the PCIx settings.
 
maximusmi2 said:
It might be worth uninstalling the drivers, running driver sweeper and reinstalling.

I only have one 6950 flashed and run black ops at 1920x1080 maxed out and it copes perfectly. There are no issues or slow down so with 2 on a lower res you should be steaming along.
Click to expand...

I am just about to do this now.
 
Also have a look through this thread.

Should give you a good idea of what to expect figures wise for Heaven. Note that most people run with no AA so best to do that and see how it matches up (I just noticed yours were on 8xaa).
 
I had the same with my old xfire set, i had the edit the reg, search for enable upls then i had to change 1 to 0 or 0 to 1 cant remember off hand im not home at the mo but ccc will then show second card idle temp and fan speed after rebooting, if you google for it you will get better instructions
 
old gamer said:
I had the same with my old xfire set, i had the edit the reg, search for enable upls then i had to change 1 to 0 or 0 to 1 cant remember off hand im not home at the mo but ccc will then show second card idle temp and fan speed after rebooting, if you google for it you will get better instructions
Click to expand...

Not a major issue at the moment. Good to know though thanks.


maximusmi2 said:
It might be worth uninstalling the drivers, running driver sweeper and reinstalling.

I only have one 6950 flashed and run black ops at 1920x1080 maxed out and it copes perfectly. There are no issues or slow down so with 2 on a lower res you should be steaming along.
Click to expand...

I'm running Black Ops on 1680 x 1050, 8x AA, Full Anisotropic, Texture Quality: Extra

What about you?

Can't believe two of the latest cards can go as low as 20FPS even after I re-installed the drivers.
 
to lazy to upload image :) Single HIS flashed to 6970 stock clocks if its any help

FPS: 39.8
Scores: 1003
Min FPS: 17.3
Max FPS: 74.4

Binary: Windows 32bit Visual C++ 1500 Release May 21 2010
Operating system: Windows 7 (build 7600) 64bit
CPU model: AMD Phenom(tm) II X4 955 Processor
CPU flags: 3616MHz MMX+ 3DNow!+ SSE SSE2 SSE3 SSE4A HTT
GPU model: AMD Radeon HD 6900 Series 8.790.6.2000 2048Mb

Render: direct3d11
Mode: 1680x1050 8xAA fullscreen
Shaders: high
Textures: high
Filter: trilinear
Anisotropy: 16x
Occlusion: enabled
Refraction: enabled
Volumetric: enabled
Replication: disabled
Tessellation: normal
 
Last edited:
Thanks slyman, Wonder why my minimum FPS is considerably lower, everything else appears better, as expected.

FPS: 52.8
Scores:1331
Min FPS:11.1
Max FPS:118.5

Hardware

Binary: Windows 32bit Visual C++ 1500 Release May 21 2010
Operating system: Windows 7 (build 7600) 64bit
CPU model: Intel(R) Core(TM)2 Quad CPU @ 2.40GHz
CPU flags: 3005MHz MMX SSE SSE2 SSE3 SSSE3 HTT
GPU model: AMD Radeon HD 6900 Series 8.801.0.0 CrossFireX 2048Mb
Settings

Render: direct3d11
Mode: 1680x1050 8xAA fullscreen
Shaders: high
Textures: high
Filter: trilinear
Anisotropy: 16x
Occlusion: enabled
Refraction: enabled
Volumetric: enabled
Replication: disabled
Tessellation:normal
 
Your drivers are not the same as mine.
I am on 10.12a and they work well with all the games I play.
To be honest I am too afraid to change them at the moment :)
 
Best bet is start over again, try both cards on there own to see if there ok, then i would uninstall the drivers and run driver sweeper, then install 10.12a with one card, power down and fit the second card enable xfire and reboot and hopfully it should be working as it shluld
 
Ok, so yous would consider my readings so far is that I am having some kind of issue?

I will do that old gamer, where can I get the v10.12a of the Catalyst drivers?
 
old gamer said:
Best bet is start over again, try both cards on there own to see if there ok, then i would uninstall the drivers and run driver sweeper, then install 10.12a with one card, power down and fit the second card enable xfire and reboot and hopfully it should be working as it shluld
Click to expand...

Tried both cards individually. Both were getting 45-60 FPS on their own. Put both of them in, enabled CrossFire, started Black Ops and FPS can drop as low as 20.

I am using driver v10.12a

What could be wrong? I have a decent enough ThermalTake750W PSU. I presume this is enough? I am using 3x 6pin power connectors and one 4-to-6 pin power adapter that came with one of the cards as I only have the 3x 6pin power cables on my PSU.

Motherboard has 2x PCI 2.0 slots.

I am going to run the Heaven benchmark again and see if I get any better results :(
 
With v sync on black ops is capped at 60 fps so might be best to try some other games, out of intrest try black ops with v sync off should get 91 fps
 
ok I'll give that a go, thanks.

here's the Heaven benchmark results, nothing fancy turned on:


FPS: 50.6
Scores: 1275
Min FPS: 27.5
Max FPS: 136.0

Binary:Windows 32bit Visual C++ 1500 Release May 21 2010
Operating system:Windows 7 (build 7600) 64bit
CPU model: ntel(R) Core(TM)2 Quad CPU @ 2.40GHz
CPU flags: 3005MHz MMX SSE SSE2 SSE3 SSSE3 HTT
GPU model: AMD Radeon HD 6900 Series 8.790.6.2000 CrossFireX 2048Mb

Render: direct3d11
Mode: 1680x1050 fullscreen
Shaders: high
Textures: high
Filter: trilinear
Anisotropy: 4x
Occlusion: enabled
Refraction: enabled
Volumetric: enabled
Replication: disabled
Tessellation: normal
 
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