Video issues while using SLI

Smitty_smit · May 19, 2008

I recently built a new computer and have been having issues while playing games. I have been getting the occasional error after my game crashes saying that my video card drivers have stopped responding but have recovered. I have the latest drivers installed for my video card and my MOBO. I have checked the videocards and they both operate fine when not using sli but once i configure it my framerate drops below what it is when i use one video card. After playing in SLI for a bit the screen will start going haywire and then the game will freeze shortly after. Video card temps normally read around 55 to 60 while playing games with everything maxed out. If anyone has any advice or has seen this issue and can offer advice it would be greatly appreciated.

dmex · May 19, 2008

Hi Smitty,

Can you show me a screenshot of GPUZ?

Steven

Smitty_smit said:
I recently built a new computer and have been having issues while playing games. I have been getting the occasional error after my game crashes saying that my video card drivers have stopped responding but have recovered. I have the latest drivers installed for my video card and my MOBO. I have checked the videocards and they both operate fine when not using sli but once i configure it my framerate drops below what it is when i use one video card. After playing in SLI for a bit the screen will start going haywire and then the game will freeze shortly after. Video card temps normally read around 55 to 60 while playing games with everything maxed out. If anyone has any advice or has seen this issue and can offer advice it would be greatly appreciated.

Smitty_smit · May 19, 2008

you want a screenshot of the NVIDIA control panel?

dmex · May 19, 2008

Screenshot of this: GPU-Z Video card GPU Information Utility

Smitty_smit · May 19, 2008

Ok here is the screen shot you asked for

Smitty_smit · May 19, 2008

Here is also a screen shot with SLI enabled.

Smitty_smit · May 22, 2008

anyone out there had this issue know about or able to help me? Getting tired of my video cards acting up when i try to play games. Please any help would be greatly appreciated.

dmex · May 22, 2008

Smitty_smit said:
anyone out there had this issue know about or able to help me? Getting tired of my video cards acting up when i try to play games. Please any help would be greatly appreciated.

Overheating, overclocking , underclocking and incorrect BIOS settings are the only things I can see causing a problem for you because your hardware is definatly good enough for games...

Do you have any BIOS setting called HPET or High precision timer? It looks very similar to a HyperThreading setting but affects the performance of Vista badly so if you have something that looks like HT ot HPET try disabling it.

Steven

Smitty_smit · May 23, 2008

dmex said:
Overheating, overclocking , underclocking and incorrect BIOS settings are the only things I can see causing a problem for you because your hardware is definatly good enough for games...

Do you have any BIOS setting called HPET or High precision timer? It looks very similar to a HyperThreading setting but affects the performance of Vista badly so if you have something that looks like HT ot HPET try disabling it.

Steven

Ok i disabled the HPET in the bios and will give it a try there was also another one HT spread spectrum. Not sure if that is the hyper thread you talked about. It is set to auto as of now. Should i disable that one as well?

johngalt · May 23, 2008

No need - since your CPU doesn't support hyperthreading (as it has *true* multiple cores as opposed to Virtual multiple core support) the BIOS cannot use it.

You *can* set it to disabled if you want to, bu there will be no gain from it as the BIOS cannot enable something the CPU does not support.

dmex · May 23, 2008

johngalt said:
No need - since your CPU doesn't support hyperthreading (as it has *true* multiple cores as opposed to Virtual multiple core support) the BIOS cannot use it.

You *can* set it to disabled if you want to, bu there will be no gain from it as the BIOS cannot enable something the CPU does not support.

John, This setting is different to the one your thinking about...

Smitty, Has disabling HPET made any improvement?
(the HT spread spectrum just lets the BIOS adjust the voltage and timing a little, it doesnt make a big difference having it enabled or disabled)

Steven

Smitty_smit · May 23, 2008

I didn't have much time to test it out last night but while i was playing one of my games after about an hour nothing bad happened. I would usually start to see signs by then so i think that might have been the issue. If I notice anything further i will let you know. Thanks for your help

dmex · May 23, 2008

Smitty_smit said:
I didn't have much time to test it out last night but while i was playing one of my games after about an hour nothing bad happened. I would usually start to see signs by then so i think that might have been the issue. If I notice anything further i will let you know. Thanks for your help

Let me know if it does stop the errors, encase someone else has the same issue they can try it out.

Steven

Smitty_smit · May 28, 2008

Hey dmxe so far i have not had any issues with my video cards taking a dump during game play looks like that was the cause of my issues. everything has been running smooth since. thanks for your help and advice. It also helped a co-worker with the same issue.

dmex · May 28, 2008

Smitty_smit said:
Hey dmex so far I have not had any issues with my video cards taking a dump during game play looks like that was the cause of my issues. everything has been running smooth since. thanks for your help and advice. It also helped a co-worker with the same issue.

Your Welcome Smitty, Glad to help anytime :cool:

Steven

310thDiablo · Jul 3, 2008

I've got similar problems with SLI. Sometimes Vista will recognize both video cards and run SLI. Most of the time it will not recognize that I have 2 video cards installed. I have tested each card seperately and each seem to work fine. At times Vista will not load my NVidia 175.19 drivers and will resort back to default drivers and change my screen resolution to 600x800. I have turned HPET off in the bios and no change. I have obtained the latest bios from MSI tech support. Here is my info...

MSI K9N Diamond mb
AMD 9600 Black Edition
2 x GeForce 7900 GTX set up in SLI
2 gig Corsair Dominator DDR2 800 Dual Channel ram
2 x 36 gig WD Raptor HDD in Raid 0
850 watt Power supply
ThermalTake ArmorLcs case with water cooling running to both video cards and CPU

Here are links to pics of CPU-Z and GPU-Z

http://img.photobucket.com/albums/v166/310thDiablo/mainboard.jpg
http://img.photobucket.com/albums/v166/310thDiablo/cpu-2300.jpg
http://img.photobucket.com/albums/v166/310thDiablo/memory-2299.jpg
http://img.photobucket.com/albums/v166/310thDiablo/GPU.gif

Any help would be appreciated in this. I'm getting nowhere in everything I try to do.

Video issues while using SLI

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