Mainboard nForce 680i SLI/

Mainboard nForce 680i LT SLI

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

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

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

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