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PostPosted: 10 Feb 2008, 05:37 
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Joined: 02 Feb 2008, 22:16
Posts: 17
OK... I think domino or quick-sand comes to mind now. After basically building a new PC with:

ASUS P5N-T Deluxe mother board
Intel Quad-Core2-6600
4GB Patriot DDR2 1066 Memory
(3) eVGA 8800GTX graphics cards with 3-Way SLI Bridge installed
(3) Acer AL2416W 24" widescreen monitors
1200 Watt Power Supply
Microsoft Windows Vista Ultimate 32Bit

I can't get the 3-Way SLI settings to be show in the nVidia control panel. I've tried a few different drivers but none seem to show the option to enable/manage SLI mode.

Any suggestions I'd appreciate.


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PostPosted: 10 Feb 2008, 06:25 
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Joined: 08 Dec 2006, 06:01
Posts: 1060
You can't use SLI (dual or triple) with more than one monitor.

(unless you're using TH2Go, which you didn't mention)


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PostPosted: 10 Feb 2008, 06:40 
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Joined: 02 Feb 2008, 22:16
Posts: 17
Sorry about that... Yes I do have a TH2GO Digital Ed. I have only 1 DVI port from the 8800GTX installed in PCI-e slot-1 that's connected to TH2Go. But the driver within Vista is not showing any SLI setting options in the 3D settings area of the nVidia Control Panel.


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PostPosted: 10 Feb 2008, 21:12 
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Joined: 02 Feb 2008, 22:16
Posts: 17
It ended up being the driver version. Once I installed v169.25 the SLI option was avaliable in nVidia Control Panel. creX:Napster over on SLI Zone recommended this version and it's good.

Life is good!


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PostPosted: 10 Feb 2008, 23:56 
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Joined: 09 Sep 2007, 18:11
Posts: 92
it's a pity you already found a solution to your problem, otherwise i would have suggested to send me two of you GTXs'. :D :D just kidding.

could you do me a favor and do a few frametime benchmarks? i would really appreciate that.

.25 is the original Triple-SLi Driver.


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PostPosted: 11 Feb 2008, 15:09 
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Joined: 02 Feb 2008, 22:16
Posts: 17
Sure I'd be happy to do a frametime benchmark... give me a little bit but I’ll do it soon. Picked up Crysis and in graphic settings I clicked select based on system. It selected everything as “Very Highâ€


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PostPosted: 11 Feb 2008, 15:58 
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Joined: 15 Sep 2007, 21:28
Posts: 446
I want whatever he has been smoking^^ :lol:


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PostPosted: 12 Feb 2008, 01:57 
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Joined: 09 Sep 2007, 18:11
Posts: 92
Fraps (http://www.fraps.com/) is a freeware program that allows you do capture videos screenshots and frametimes.
you can download it here (http://www.fraps.com/download.php)
everything else can be set in the options and is probably described in the readme.

the issue with multi-GPU settings is that the average framerate rises (shorter average frametimes), but the frames come unsyncronized.

e.g.:
Single GPU 30FPS: 33 - 33 - 33 - 33 - 33
SLI 30FPS: 53 - 13 - 53 - 13 - 53 - 13

both have a 30FPS = 33ms per frame on average, but the deviation with multi-GPU is way higher. So a frametime benchmark would give information if this occurs also with triple-Sli.

@Edward: you get other FPS? or do you just wonder? :D :D


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