25Hardware InstallationPCI Express x1 SlotsThere are two PCI Express x1 slots that are designed to accommodate lessbandwidth-intensive cards, such as a modem or LAN card. The PCIe x1 slot provides250 MB/sec bandwidth.PCI Express x16 SlotsThere are two PCI Express x16 slots that are reserved for graphics cards. Thebandwidth of the x16 slot is up to 4GB/sec (8GB/sec concurrent). The design of thismotherboard supports dual PCI-Express graphics cards using NVIDIA’s SLI technology.When installing a PCI Express x16 card, be sure the retention clip snaps and locks thecard into place. If the card is not seated properly, it could cause a short across the pins.Secure the card’s metal bracket to the chassis back panel with the screw used to holdthe blank cover.Clear CMOS JumperThe motherboard uses the CMOS RAM to store all of the set BIOS parameters. TheCMOS can be cleared by removing the CMOS jumper.Use the following procedure to clear CMOS:1. Turn off the AC power supply and connect pins 1 and 2 together using the jumper cap.2. Return the jumper setting to normal (pins 2 and 3).3. Turn the AC power supply back on.CMOS Jumperlocation
