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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 b Î Nvidia
November 19, 2011 12:24:25 AM

No information to go on....system components ? PSU wattage, name , model ? CPU temps ? GPU Temps ?
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
Related resources
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.
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.
a b Î Nvidia
November 20, 2011 4:02:35 AM

Did the system ever work well with SLI before the RMA?
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...

Best solution

a b Î Nvidia
November 28, 2011 8:32:51 AM
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My guess is that its the PSU again , you are going to have to RMA it again.
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!
December 23, 2011 2:37:23 PM

Best answer selected by mohawkade.
!