Tom's Hardware > Forum > Graphic & Displays > Nvidia > I cant run sli mode

I cant run sli mode

Forum Graphic & Displays : Nvidia - I cant run sli mode

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my specs r

Evga 750i FTW mobo
xfx 9600GT xxx alpha dog edition 740MHz core clock
4 GB corsair 800mhz ram
500W Cooler master PSU
2*1.5TB HDDs

i bought a used PNY Verto 9600GT 650MHz core clock to run in SLI mode.

when i enable SLI in Nvidia CP and go to a game like gird my fps is lower than 20 FPS !!! on max 1680 ris (it will get 30+ FPS on single card )

i tried updating the drivers many times but it didnt work
i flashed the BIOS of the pny to make it same colck as the xfx but still the same
i flashed them both to the pny bios

and nvidia stupid massege showed up saying that i dont have engh power so my cards will downclock !!

i dont know what to do

is it my mobo/psu /gpu :S

i tested both cards alone and they work fine

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Sounds to me like your PSU doth sucketh. In other words it can't sustain both cards even though it deceived you with it's "500W" rating. You flashing the BIOS like that may not have been a good idea of the XFX card uses a different PCB layout to achieve it's higher clocks. Oh well :D.

------------------------------ Playing X-Men Origins: Wolverine Athlon 64 X2 5000+ @3.24 Brisbane | GIGABYTE GA-MA790X-DS4 | 4GB Mushkin DDR2 1066 | Plextor 760A| 2x 3850 512M CF| WD 1TB Black| Fortron Blue Storm II 500W | APEVIA X-Dreamer Black | Win XP Pro & Vista Buisness 32bit
Reply to megamanx00

So yeah, get a good quality PSU (P&C, Corsair, Antec, FSP) and you should be fine, hopefully :D. First though I would do a clean install of Windows to be sure that it wasn't just a driver problem.

------------------------------ Playing X-Men Origins: Wolverine Athlon 64 X2 5000+ @3.24 Brisbane | GIGABYTE GA-MA790X-DS4 | 4GB Mushkin DDR2 1066 | Plextor 760A| 2x 3850 512M CF| WD 1TB Black| Fortron Blue Storm II 500W | APEVIA X-Dreamer Black | Win XP Pro & Vista Buisness 32bit
Reply to megamanx00

thnx 4 ur replay

ill install them on other pc witch has 600 TT psu sli certificated and c the results

Reply to srt84ever
Tom's Hardware > Forum > Graphic & Displays > Nvidia > I cant run sli mode
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