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SLI causing Shut Downs, New PSU?

Last response: in Graphics & Displays
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November 19, 2011 12:13:47 AM

I had some problems with my last PSU and got an RMA, I just installed the new one. Though this new one isn't overvolting like the last, I can't play any game for longer than 90 seconds...

That is with SLI

If I remove one of my video cards, I'm able to bump up my game time up to a good hour or so (hour is an estimate as I haven't tested gaming for longer than that time frame, though if I play in Stereoscopic 3D on a single card, the maximum timeframe is 8 minutes)

Is this really a problem with my Power Supply unit, or are there some settings I can adjust between the OS, BIOS and my video settings to allow me to play games in SLI again?
a c 77 Î Nvidia
November 19, 2011 12:24:25 AM

No information to go on....system components ? PSU wattage, name , model ? CPU temps ? GPU Temps ?
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November 19, 2011 7:07:58 PM

OP: Windows 7 Ultimate 64bit
MB: ASUS M4N75TD
HD: Intel 80 GB SSD Primary Drive
Samsung 1TB 7200 rpm Game Drive
CPU: AMD Phenom II X6, 3.2GHz
RAM: 6GB, DDR3-1333
GPU: 2 Nvidia Geforce GTX 470s in SLI
Audio: Creative Labs X-Fi Fatal1ty Champion Sound Card
PPU: BFG Ageia PhysX 100 Series Card
PSU: Kingwin Mach 1 1220w
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a b Î Nvidia
November 19, 2011 7:16:33 PM

Are you running the system with the Ageia Physx card?
Didn't know they were still supported, try taking it out and see if the SLI works fine without it.
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November 20, 2011 3:10:22 AM

Someone else suggested that in another thread on a separate forum, and I did try it to find no change.

I still keep the Ageia PhysX card around as I made a hack for it to work with modern PhysX drivers.
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a b Î Nvidia
November 20, 2011 4:02:35 AM

Did the system ever work well with SLI before the RMA?
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November 28, 2011 3:06:51 AM

monsta said:
Did the system ever work well with SLI before the RMA?


It did, before my PSU started overvolting...
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Best solution

a b Î Nvidia
November 28, 2011 8:32:51 AM

My guess is that its the PSU again , you are going to have to RMA it again.
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December 10, 2011 9:13:29 PM

Actually, I just bought a new one from a more reliable company and have not had any problems yet!
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December 23, 2011 2:37:23 PM

Best answer selected by mohawkade.
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