Reduced performance with sli

01rich01 · 03-22-2008, 02:33 PM

Hi i've recently baught an extra 8800 gts to go sli, but when I play test drive unlimited I am getting glitches. The screen will pause momentarily and at random. It's as if the fps is low, but when I turn the graphics all on the lowest setting I still get the glitches. If I exit the game and turn sli off the game runs fine.
I am wondering if I need a special sli driver or something? also whats a safe temperature range for them to run at becuase one of the cards is very close to my sound card.
Appreciate any help!

NotBluePlum · 03-22-2008, 02:38 PM

i run sli and get the same problem never turned it off tho. Does it just randomly freeze for a second sometimes or longer? And even tho u can easily run the game on low/high it still does it?

01rich01 · 03-22-2008, 03:14 PM

It doesn't normally freeze for any longer than a second, and yea turning the resolution and graphics setting all to their lowest value doesn't make any difference.
I also noticed on trackmania that smoke/dust is sometimes multi coloured like a rainbow

and you can see lights through solid objects. But I don't seem to be getting the freezing with trackmania.
notblueplum You should go into the nvidia control panel and check the 'do not use sli' button and see if it works alright. What cards are you running and what temp do they normally run at?
I noticed one of mine is about 10 deg C above the other so maybe that will have an affect?

g25racer · 03-22-2008, 05:55 PM

The green smoke is do to crappy nvidia drivers and they are working on it. I have the same thing in LFS and GTR2. Your not the only one.

01rich01 · 03-22-2008, 08:11 PM

Are you running 1 or 2 cards? I only get it when I put the 2nd one in, with a single card it's ok.

g25racer · 03-22-2008, 08:17 PM

I am running single card! But when I updated forceware it got alot better.

01rich01 · 03-23-2008, 11:27 PM

So is there anyone on here that's running two 8800 gts's that can tell me the drivers ect they are using? I'm thinking of just selling them and getting a better single card 'cos this is alot of hassel.
Does sli tend to run any different on vista?

03-22-2008, 02:33 PM	#1 (permalink)
01rich01 New Member Join Date: Jun 2007 Posts: 17	Reduced performance with sli Hi i've recently baught an extra 8800 gts to go sli, but when I play test drive unlimited I am getting glitches. The screen will pause momentarily and at random. It's as if the fps is low, but when I turn the graphics all on the lowest setting I still get the glitches. If I exit the game and turn sli off the game runs fine. I am wondering if I need a special sli driver or something? also whats a safe temperature range for them to run at becuase one of the cards is very close to my sound card. Appreciate any help!

03-22-2008, 05:55 PM	#4 (permalink)
g25racer Diamond Member Join Date: Feb 2008 Location: Hamilton, MI Posts: 3,852	The green smoke is do to crappy nvidia drivers and they are working on it. I have the same thing in LFS and GTR2. Your not the only one. __________________ CPU - AMD Athlon 64x2 5200+ @ 2.6ghz Ram - 2GB Stock clock HD - 320gb seagate & Samsung 750gb 32mb cache GPU - XFX 8600GT XXX Zalman @ 680 or 700mhz PSU - Ultra X-finity 600watt OS - Vista Home Premium(32) & Ubuntu (8.04) Ultimate Ed Audio - JVC 460watts Control - Logitech G25 Wheel & Logitech Rumblepad 2 Games - GTR2 and LFS -- Race Sim's for Life --

03-22-2008, 08:17 PM	#6 (permalink)
g25racer Diamond Member Join Date: Feb 2008 Location: Hamilton, MI Posts: 3,852	I am running single card! But when I updated forceware it got alot better. __________________ CPU - AMD Athlon 64x2 5200+ @ 2.6ghz Ram - 2GB Stock clock HD - 320gb seagate & Samsung 750gb 32mb cache GPU - XFX 8600GT XXX Zalman @ 680 or 700mhz PSU - Ultra X-finity 600watt OS - Vista Home Premium(32) & Ubuntu (8.04) Ultimate Ed Audio - JVC 460watts Control - Logitech G25 Wheel & Logitech Rumblepad 2 Games - GTR2 and LFS -- Race Sim's for Life --

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03-22-2008, 02:38 PM	#2 (permalink)
NotBluePlum banned Join Date: Mar 2008 Posts: 6	i run sli and get the same problem never turned it off tho. Does it just randomly freeze for a second sometimes or longer? And even tho u can easily run the game on low/high it still does it?

03-22-2008, 03:14 PM	#3 (permalink)
01rich01 New Member Join Date: Jun 2007 Posts: 17	It doesn't normally freeze for any longer than a second, and yea turning the resolution and graphics setting all to their lowest value doesn't make any difference. I also noticed on trackmania that smoke/dust is sometimes multi coloured like a rainbow and you can see lights through solid objects. But I don't seem to be getting the freezing with trackmania. notblueplum You should go into the nvidia control panel and check the 'do not use sli' button and see if it works alright. What cards are you running and what temp do they normally run at? I noticed one of mine is about 10 deg C above the other so maybe that will have an affect?

03-22-2008, 08:11 PM	#5 (permalink)
01rich01 New Member Join Date: Jun 2007 Posts: 17	Are you running 1 or 2 cards? I only get it when I put the 2nd one in, with a single card it's ok.

03-23-2008, 11:27 PM	#7 (permalink)
01rich01 New Member Join Date: Jun 2007 Posts: 17	So is there anyone on here that's running two 8800 gts's that can tell me the drivers ect they are using? I'm thinking of just selling them and getting a better single card 'cos this is alot of hassel. Does sli tend to run any different on vista?