Nvidia 780I SLI manual PCI Express x1 Slot, PCI Express x16 Slots

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780i 3-Way SLI Motherboard

PCI Express x1 Slot

There is one PCI Express x1 slot that is designed to accommodate less bandwidth-intensive cards, such as a modem or LAN card. The x1 slot provides 250 MB/sec bandwidth.

PCI Express x16 Slots

These three PCI Express x16 slots are reserved for graphics or video cards. The bandwidth of the x16 slot is up to 4GB/sec (8GB/sec concurrent). The design of this motherboard supports three PCI-Express graphics cards using NVIDIA’s SLI technology with multiple displays.

When installing a PCI Express x16 card, be sure the retention clip snaps and locks the card 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 hold the blank cover.

To configure for SLI, follow the instructions that come with the SLI kit (the kit is purchased separately from the motherboard).

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NVIDIA Corporation

October 17, 2007 DU-03597-001_v01

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Contents Nvidia nForce 780i SLI Motherboard User Guide780i 3-Way SLI Motherboard Table of Contents COM1 NForce 780i SLI Motherboard Nvidia Corporation 100 List of Figures Before You Begin… Parts not in the KitIntentions of the Kit Motherboard Specifications Nvidia nForce Motherboard780i 3-Way SLI Motherboard Unpacking Unpacking Parts DescriptionsEquipment Nvidia nForce 780i SLI Motherboard Nvidia nForce 780i SLI Motherboard Layout Chassis Backpanel Connectors Hardware Installation Safety InstructionsInstalling the CPU Preparing the MotherboardInstalling the CPU Fan Installing Memory DIMMsInstalling the Motherboard Installing the I/O ShieldConnecting Cables Setting Switches Securing the Motherboard into the ChassisPower Connections Power Supply ConnectorsPin ATX Power PWR1 PWR1 Motherboard Connector PWR1 Pin AssignmentsConnecting IDE Hard Disk Drives Pin ATX 12V Power PWR2Hardware Installation Connecting Serial ATA Cables Connecting Internal Headers Front Panel HeaderFront Panel Header Pins Ieee 1394aUSB 2.0 Header Pins USB HeadersFront Audio Connector AudioCPU Fan Connector Fan ConnectionsCOM1 Expansion Slots FDD ConnectorPCI Slots PCI Express x1 Slot PCI Express x16 SlotsJumper Settings Clear Cmos Jumper ClrcmosThis page is blank Configuring the Bios Enter Bios Setup Main MenuAdvanced Chipset Features Standard Cmos FeaturesAdvanced Bios Features Power Management SetupSave & Exit Setup Load DefaultsSet Password System MonitorStandard Cmos Features Menu Standard Cmos Features MenuDate and Time IDE Channel and Sata ChannelManual NoneAuto LargeDrive a All ErrorsNo Errors Halt OnMemory Advanced Bios Features CdromRemovable Device Priority Hard Disk Boot PriorityNetwork Boot Priority CPU Internal CacheBoot Other Device Quick Power On Self TestFirst/Second/Third Boot Device Boot Up NumLock StatusMPS Version Control For OS Apic ModeSecurity Option Full Screen Logo ShowAdvanced Chipset Features Advanced Chipset FeaturesSystem Clocks CPU Spread SpectrumFrequency Settings HT Multiplier Spread SpectrumFSB & Memory Config SLI-Ready MemoryLinked FSB and Memory Clock ModeUnlinked MEM DDR, MHz Memory Timing SettingFSB QDR, MHz OptimalExpert Limit Cpuid MaxVal CPU ConfigurationDisable CPU Thermal ControlTM1 & TM2 Execute Disable BitTM2 Only C1E Enhanced Halt StateCPU FSB System VoltagesMemory HT nForce SPP MCP NForce SPPNForce MCP NForce MCP AuxiliaryNvmem Memory Test Load Timing/Voltage SetHpet Function System Bios CacheableSave Timing/Voltage Set Nvidia GPU ExIntegrated Peripherals Menu Integrated Peripherals MenuPrimary Master/Slave PIO IDE Function SetupIDE DMA transfer access Primary Master/Slave UdmaRAID Config USB ConfigIEEE1394 controller MAC ConfigIDE HDD Block Mode HD AudioPower Management Setup Menu Onboard Serial PortAcpi Suspend Type Power On by AlarmAcpi Function Soft-Off by PbntHot Key Power On Power on FunctionButton only Keyboard Password Mouse Left Mouse Right Any KeyPnP/PCI Configuration Menu PnP/PCI Configuration MenuInit Display First Reset Configuration DataResources Controlled By PCI/VGA Palette Snoop IRQ ResourcesMaximum Payload Size System Monitor Menu System Monitor MenuDynamic Fan Control Press Enter to display the Dynamic Fan Control menuThis page is blank Installing Drivers Software Windows XP Drivers Install Using Nvidia Software Nvidia Performance Group Nvidia Control Panel Device Settings Current Hardware Settings CPUMotherboard Memory Row Address StrobeRAS to RAS Delay Write Recovery TimeRAS to CAS access Memory bank switchTo W Timing To R Command DelayCommand Per Clock CAS LatencyGPU Dynamic Bios Access View System Information Profile Policies Manage Your System Bios Nvidia System Monitor Using Nvidia Software 780i 3-Way SLI Motherboard Using Nvidia Software 780i 3-Way SLI Motherboard Appendix A. Post Codes for Tritium Platform Award Post CodeAward Post Codes Name Description Post Codes Award Post Codes Name Description Award Post Codes Name Description Award Post Codes Name Description Award Post Codes Name Description Nvmm Post Codes Nvmm Post Codes Name Description 780i 3-Way SLI Motherboard Appendix B. Configuring an SLI Configuration SLI ConnectorWay Nvidia SLI connector ForceWare DriverWindows Vista Device Manager Nvidia Control Panel, Set SLI Configuration Enabling 3-Way SLISLI Visual Indicators Operating in 3DMark2006 Verifying 3-way SLI is Active Index Base MemoryFSB and Memory Clock Mode, 45 FSB Reference Clock HT Spread Spectrum Limit Cpuid MaxVal, 48 LI-Ready Memory, 44 load plate Sata Spread Spectrum TWTR Copyright 110