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Terrible performance on Multi-GPU

N

nitrobass24

[H]ard|DCer of the Month - December 2009
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Apr 7, 2006
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Ok So I just got my system up and running. First thing I did was install Nvidia Drivers and F@H.

Problem is when I have more than one GPU client running they all drop PPD drastically.
Snip
GTX 275 - EUE

I have a fresh install of Win7 x64 with 191.07 Drivers
No OC
I have increased fan speeds to 65% to keep temps down.

What gives?
 
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I know I have always said the GPU client doesn't need much CPU... have you checked your CPU use?

Also, what board are you using? Is it still the K9A2?

Also, are they downclocking? Check using GPU-z.
 
All factory clocks

CPU use is 7%

Gigabyte EX58-UD5
 
Under 3D settings in the nVidia CP, did you set Power Management mode to 'prefer max performance'?
May you try running just the gts 275 or just the 295 together to see if that changes anything?
 
Well I'm not sure what happened but the ones that are running seem fine now.

I still have that one 275 that wont fold though.

Would it matter that I have it on a DVI->VGA adaptor?
Maybe ill try a different DVI cable.

And yes its extended. Im using a Triple monitor setup so I only have 1 dummy plug on and its on the 295 crunching away!
 
Okay...!
I'm still buying parts for a newer, [H]'er, (and my first) multi GPU folder, so I'm not soo sure how to do this, as the closest to multiGPU I have got was plugging in my 8500gt into the PCIe1 slot! (alongside the 9600GSO).

Maybe they just had a slow start? :) My PPD seems to get better as the day progresses.
 
nitrobass24 said:
Well I'm not sure what happened but the ones that are running seem fine now.

I still have that one 275 that wont fold though.

Would it matter that I have it on a DVI->VGA adaptor?
Maybe ill try a different DVI cable.
Click to expand...
Both my 285s in my secondary box are DVI/VGA connected. That should have no effect on eue's.
 
Yea thats what I figured.
Temps are in the 50's though so im not sure what the deal is.

Also I may have a bigger problem because this morning when I woke up my box was off, and it was running full speed at 1am when I left it.
 
I know people say this isn't a problem anymore, but is the mobo a NV chipset?
 
My 3 way 260 rig has been doing that as of late, shutting off or crashing. WU's maybe? I've been getting more variety in WU's now, before it was only 353's
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Hmm so it seems that it doesnt matter what GPU I put in Slot 7 it just wont fold :(
 
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