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Asus A8N-SLI Deluxe nForce4 Motherboard

Author: Ryan Shrout
Subject: Motherboards
Manufacturer: Asus
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SLI Setup

Of course, how could we look at the first retail SLI motherboard without going through the additional setup and options that the SLI feature gives you? 



All nForce4 based SLI solutions will have a card of some kind on it like the one pictured above.  They may not look exactly identical from vendor to vendor, but the function behind them is the same.  On the A8N-SLI Deluxe the card is called the "EZ Selector" and it allows you to physically switch between a SLI-capable system and a single-GPU capable system.  By switching the position of the card from "Single Video Card" to "Dual Video Cards" you are splitting the PCI Express lanes between the two x16 slots, with each slot receiving 8 lanes.  Moving the card back to the "Single Video Card" setting and the PCI Express lanes are routed to x16 to the primary PCIe connection and x1 to the secondary. 


The card acts much like a SODIMM memory slot on a notebook computer, so if you are familiar with that, the setup is easy. 



First you use two fingers to gently move the two metal arms at either side of the card outward, allowing the module to pop up to this position.  You can then remove it by simply pulling away from the connection slot. 



After you have the card uninstalled, simply rotate it so that the words "Dual Video Cards" are facing towards the connection slot and towards the primary PCIe slot. 



You then simply insert the card back into the card slot at a similar angle to which you removed it and then press down until the metal arms lock it into place.  The final results are seen above.  You are now ready for an SLI system!



Here is the result of having two 6800 Ultras in SLI mode with the Asus custom bridge connector between the two cards.  Quite the beefy setup.  You can definitely see the problem I mentioned on the previous page about lack of room on the board once two Ultras are installed.  You really only get one PCI slot that isn't crowded up on -- just enough for your Audigy sound card right?  But with the features that Asus has included on the A8N-SLI Deluxe there really isn't anything a standard gamer will need to add.

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