Nvidia 780I SLI manual Fan Connections, CPU Fan Connector

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Hardware Installation

Fan Connections

There are five fan connections on the motherboard. The fan speed can be detected and viewed in the PC Health Status section of the CMOS Setup. The fans are automatically turned off after the system enters S3, S4 and S5 mode.

Note that the CPU fan cable can be either a 3-pin or a

4-pin connector. Connect a

3-pin connector to pins 1, 2, and 3 on the motherboard connector.

CPU Fan Connector

4 3 2

GND SENSE

PWR CONTROL

Fan Connector

3 2

GND +12V

SENSE

nForce 780i SLI SPP/MCP fan connector.

Install the fan over the nForce 780i SLI SPP to draw heat from the MCP. The fans plug into a 3- pin connector.

NVIDIA Corporation

October 17, 2007 DU-03597-001_v01

21

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Contents User Guide Nvidia nForce 780i SLI Motherboard780i 3-Way SLI Motherboard Table of Contents COM1 NForce 780i SLI Motherboard Nvidia Corporation 100 List of Figures Parts not in the Kit Before You Begin…Intentions of the Kit Nvidia nForce Motherboard Motherboard Specifications780i 3-Way SLI Motherboard Unpacking Unpacking Parts DescriptionsEquipment Nvidia nForce 780i SLI Motherboard Nvidia nForce 780i SLI Motherboard Layout Chassis Backpanel Connectors Safety Instructions Hardware InstallationPreparing the Motherboard Installing the CPUInstalling Memory DIMMs Installing the CPU FanInstalling the I/O Shield Installing the MotherboardSecuring the Motherboard into the Chassis Connecting Cables Setting SwitchesPower Supply Connectors Power ConnectionsPWR1 Motherboard Connector PWR1 Pin Assignments Pin ATX Power PWR1Pin ATX 12V Power PWR2 Connecting IDE Hard Disk DrivesHardware Installation Connecting Serial ATA Cables Front Panel Header Connecting Internal HeadersIeee 1394a Front Panel Header PinsUSB Headers USB 2.0 Header PinsAudio Front Audio ConnectorFan Connections CPU Fan ConnectorCOM1 Expansion Slots FDD ConnectorPCI Slots PCI Express x16 Slots PCI Express x1 SlotClear Cmos Jumper Clrcmos Jumper SettingsThis page is blank Configuring the Bios Main Menu Enter Bios SetupPower Management Setup Standard Cmos FeaturesAdvanced Bios Features Advanced Chipset FeaturesSystem Monitor Load DefaultsSet Password Save & Exit SetupStandard Cmos Features Menu Standard Cmos Features MenuIDE Channel and Sata Channel Date and TimeLarge NoneAuto ManualHalt On All ErrorsNo Errors Drive aMemory Cdrom Advanced Bios FeaturesCPU Internal Cache Hard Disk Boot PriorityNetwork Boot Priority Removable Device PriorityBoot Up NumLock Status Quick Power On Self TestFirst/Second/Third Boot Device Boot Other DeviceFull Screen Logo Show Apic ModeSecurity Option MPS Version Control For OSAdvanced Chipset Features Advanced Chipset FeaturesCPU Spread Spectrum System ClocksFrequency Settings Spread Spectrum HT MultiplierSLI-Ready Memory FSB & Memory ConfigLinked FSB and Memory Clock ModeUnlinked Optimal Memory Timing SettingFSB QDR, MHz MEM DDR, MHzExpert CPU Thermal Control CPU ConfigurationDisable Limit Cpuid MaxValC1E Enhanced Halt State Execute Disable BitTM2 Only TM1 & TM2CPU FSB System VoltagesMemory NForce MCP Auxiliary NForce SPPNForce MCP HT nForce SPP MCPLoad Timing/Voltage Set Nvmem Memory TestNvidia GPU Ex System Bios CacheableSave Timing/Voltage Set Hpet FunctionIntegrated Peripherals Menu Integrated Peripherals MenuPrimary Master/Slave Udma IDE Function SetupIDE DMA transfer access Primary Master/Slave PIOUSB Config RAID ConfigHD Audio MAC ConfigIDE HDD Block Mode IEEE1394 controllerOnboard Serial Port Power Management Setup MenuSoft-Off by Pbnt Power On by AlarmAcpi Function Acpi Suspend TypeMouse Left Mouse Right Any Key Power on FunctionButton only Keyboard Password Hot Key Power OnPnP/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 MenuPress Enter to display the Dynamic Fan Control menu Dynamic Fan ControlThis page is blank Installing Drivers Software Windows XP Drivers Install Using Nvidia Software Nvidia Performance Group Nvidia Control Panel Device Settings CPU Current Hardware SettingsMotherboard Row Address Strobe MemoryMemory bank switch Write Recovery TimeRAS to CAS access RAS to RAS DelayCAS Latency To R Command DelayCommand Per Clock To W TimingGPU 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 Award Post Code Appendix A. Post Codes for Tritium PlatformAward 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 SLI Connector Appendix B. Configuring an SLI ConfigurationForceWare Driver Way Nvidia SLI connectorWindows Vista Device Manager Enabling 3-Way SLI Nvidia Control Panel, Set SLI ConfigurationSLI Visual Indicators Operating in 3DMark2006 Verifying 3-way SLI is Active Base Memory IndexFSB 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