8800GT in SLI

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 Thread : 8800GT in SLI
 
Profile: stranger
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So I just bought my 2nd Evga 8800gt card Superclocked Edition. I tried running SLI with it and when I enable SLI, I'm only getting 10 fps on 3dmark06. When I disable SLI, I'm getting a much higher fps running just 1 card. Is it some bug with Vista x64? Does anyone have any idea why this might be happening? I've tried everything from reinstalling the drivers to reinstalling the cards themselves. Both cards show up in my device manager and both are bridged. I can't figure out why this is happening. Any help would be greatly appreciated.

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Because Mike Rowe said so!
Profile: nimble knuckle
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Vista x64 is flaky period. My buddy has all sorts of issues. Who cares about 3dMark, how does it do in games?


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E6400@3.2ghz w/ Thermalright Ultra-120  Asus P5W DH Deluxe
4x1GB Crucial Ballistix PC6400 4-4-4-12   CoolMax 600W PSU
XFX 8800GTS Alpha Dog (@750/1000)      Dell 22" E228WFP
Seagate 250GB ES.2 & 250GB 7200.10     Creative X-Fi XtremeGamer
Profile: stranger
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Same in games.  It runs 10x smoother with just 1 card.  

Because Mike Rowe said so!
Profile: nimble knuckle
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Man I dunno, if you have the bridge in and updated drivers it should fly.


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E6400@3.2ghz w/ Thermalright Ultra-120  Asus P5W DH Deluxe
4x1GB Crucial Ballistix PC6400 4-4-4-12   CoolMax 600W PSU
XFX 8800GTS Alpha Dog (@750/1000)      Dell 22" E228WFP
Seagate 250GB ES.2 & 250GB 7200.10     Creative X-Fi XtremeGamer
I buy amd 2 savu $ on ur intel
Profile: old hand
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I had the same problem; ur only using one card, trust me. Go to the nvidia control panel, then go to manage 3D settings, then click on the program settings tab, then find the program you want to use from the list, in the bottom box where it says specify the settings scroll down to sli performance mode. Choose one of the options that is NOT single gpu. Then click apply and ur done. I dont know why nvidia doesn't tell us about this, but thats how u truly enable sli. Hope that helps.  


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AMD X2 6000+ @3.2Ghz | Asus crosshair | 4gb corsair xms ddr2 800 | BFG 8800GTS (g92)x2 SLI 805/1080 | SoundMax HD | (160gb)x2 sata in raid 0 | 500 gb sata | Lian-Li PC-6070 | antec 850W PSU | thermaltake water cooling | Vista 64bit | LG 24" | Logitech 5.1
Profile: Honorary Veteran of THGC
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SLI should be enabled in 90% of game profiles from the start.  There was a reporting bug in the 169.xx drivers that said single card mode, when in fact is was running an SLI mode instead.  Not sure on Vista 64 bit as I avoided installing my copy and stuck to XP for this rig.  But in XP, once you enable SLI, the game profiles are set pretty well to use in the games it works well in.  
 
I'd try changing, updating your drivers.


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MSI P6N SLI Platinum, Q6600, 2GB Crucial Ballistix Tracer PC8000,  
SLI BFG 8800GT OC 512MB, SB X-Fi Fatality, Antec TruePower Trio 550W, Windows XP pro
Profile: Ancient Poster
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I've had no issues with Vista 64bit whatsoever. But then, I'm not running sli. :p

 

It's likely driver problem. Or possibly power problem. 64bit Vista on dual 8800gt is a common setup, if the OS itself is to blame, many more people should be running into this problem.


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Q6600@3.6ghz, GA-EX38-DS4 X38 chipset motherboard, 8gb 800mhz ddr2 4-3-3-12, 8800GTS(g92)@780mhz, 1TB 7200rpm 32mb cache hdd, 850watt 12v rails=4x20amp powersupply
Profile: enthusiast
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pick a different SLI rendering method in your nvidia graphics control panel until you find the right one

Profile: stranger
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I was having the same problem. Thanks for all the info, ryanthesav

I buy amd 2 savu $ on ur intel
Profile: old hand
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Glad I could help. :)


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AMD X2 6000+ @3.2Ghz | Asus crosshair | 4gb corsair xms ddr2 800 | BFG 8800GTS (g92)x2 SLI 805/1080 | SoundMax HD | (160gb)x2 sata in raid 0 | 500 gb sata | Lian-Li PC-6070 | antec 850W PSU | thermaltake water cooling | Vista 64bit | LG 24" | Logitech 5.1

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