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Overview of Components
 Important
 y
For a single PCIe x16 expansion card installation with optimum performance, using 
the PCI_E1 slot is recommended.
 y
When adding or removing expansion cards, always turn off the power supply and 
unplug the power supply power cable from the power outlet. Read the expansion 
card’s documentation to check for any necessary additional hardware or software 
changes.
Installing SLI graphics cards
For power supply recommendations for SLI configurations, please refer to the user 
guide of your graphics card to make sure you meet all the system requirements.
To install SLI graphics cards:
1.  Turn off your computer and disconnect the power cord, install two graphics cards 
into the PCI_E1 and PCI_E3 slots.
2.  Connect the two cards together using the SLI Bridge Connector.
3.  Connect all PCIe power connectors of the graphics cards.
4.  Reconnect the power cord, power up the computer and install the drivers and 
software included in your graphics card package.
5.  Right-click the Windows desktop and select NVIDIA Control Panel from the menu, 
click on Configure SLI, Surround, PhysX in the left task pane and select Maximize 
3D performance in the SLI configuration menu, and then click Apply.