•We recommend that you install a VGA card to the primary (blue) PCI Express x16 slots, and install any other PCI Express device to the universal (white) PCI Express x16 slot.

•Currently, only NVIDIA® SLI™-Ready GeForce® 8800 Ultra and GeForce® 8800 GTX graphics cards support 3-Way SLI™ mode.

•Connect a rear chassis fan to the motherboard connector labeled

CHA_FAN1 or OPT_FAN1/3 when using multiple graphics cards for better thermal environment. See page 2-36 for details.

•In single VGA card mode, use any of the PCIe 2.0 slots (blue) for a PCI Express x16 graphics card to get better performance.

•In SLI™ mode, use the PCIe 2.0 slots (blue slots) for PCI Express x16 graphics cards to get better performance.

•We recommend that you provide sufficient power when running NVIDIA®

SLI™ mode. See page 2-38 for details.

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Chapter 2: Hardware information