Nvidia 680I LT SLI Manuel D’Utilisation

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Mainboard nForce 680i SLI/  
Mainboard nForce 680i LT SLI 
                                             
 
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Appendix III: SLI (Scalable Link 
Interface) Setup 
 
Introduction 
 
NVIDIA SLI (Scalable Link Interface) is a revolutionary technology that allows two NVIDIA SLI 
graphics cards to work together to deliver incredible 3D graphics performance.   
 
Your new motherboard can support up to three PCI Express graphics cards, two linked using 
SLI and one dedicated to CPU physics. 
 
 
 
Determine Component and Operating System Needs 
 
To build an NVIIDA SLI system, you are going to need the following components: 
 
 
Two NVIDIA SLI-Ready certified PCI Express graphics cards 
 
An NVIDIA SLI-Ready power supply 
 Microsoft
®
 Windows
®
 XP operating system 
 
 
 
For a complete list of certified components and a matrix to determine the power supply 
required for your particular graphic cards, go to:   
 
 
http://www.slizone.com/content/slizone/build.html
 
 
 
 
While NVIDIA recommends an SLI-Ready power supply, the following table provides some 
general power supply recommendations based on testing performed in the NVIDIA SLI 
validation lab. 
 
 
 
 
Recommended Power Supplies 
 
 
 
 
 
If the power supply specifies two 12V windings (i.e. 12V1 and 12V2), add these numbers 
together to check against the specifications described above. 
 
For systems with the 6800 Ultra or 6800 GT, please make sure the power supply also contains 
PCI Express auxiliary power supply connectors. If your power supply does not have a PCI 
NVIDIA SLI System Type 
Minimum Recommended PCI 
Express Power Supply 
High-End: GeForce 6800 Ultra 
500W–550W, +12V @ 30A 
Mid-Range: GeForce 6800 GT or 6800 
420W–480W, +12V @ 25A 
Entry-Level: GeForce 6600 GT 
350W–420W, +12V @ 20A