Abit NF7-S2G user manual System Management Bus Headers, NF7/NF7-S/NF7-M

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Chapter 2

 

 

(16). System Management Bus Headers

This header is reserved for system management bus (SM bus). The SM bus is a specific implementation of an I2C bus. I2C is a multi-master bus, which means that multiple chips can be connected to the same bus and each one can act as a master by initiating a data transfer. If more than one master simultaneously tries to control the bus, an arbitration procedure decides which master gets priority.

NF7/NF7-S/NF7-M:

NF7 Series

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Contents NF7 Series Copyright and Warranty Notice Table of Contents Appendix a Features & Specifications IntroductionIeee 1394 NF7-S Model Chipset Features NF7-S NF7-MNF7-S2 NF7-S2GLayout Diagram NF7/NF7-S Layout Diagram NF7-M Layout Diagram NF7-S2/NF7-S2G, Ver Install CPU and Heatsink Hardware SetupInstall The Motherboard Chapter Total System Memory for Un-buffered & Non-ECC DDR 400 Dimm Install System MemoryValid Memory Configurations Bank Memory Module Total Memory NF7/NF7-S/NF7-MNF7-S2/NF7-S2G Connectors, Headers and SwitchesATX Power Input Connectors FAN Connectors NF7/NF7-S/NF7-M NF7-S2/NF7-S2G Pin 1-2 shorted default Normal operationCmos Memory Clearing Header Wake-up Header NF7/NF7-S/NF7-MNF7-S2/NF7-S2G Ver Front Panel Switches & Indicators Headers NF7/NF7-S/NF7-MNF7-S2/NF7-S2G Hled Pin 1RST Pin 5 SPK Pin 15, 17, 19Infrared Device Header NF7/NF7-S/NF7-M Additional USB Port Headers VCCAdditional IEEE1394 Port Headers NF7-S Front Panel Audio Connection Header NF7-S2/NF7-S2G Internal Audio Connectors Accelerated Graphics Port Slot Floppy Disk Drive Connector IDE Connectors NF7-S2/NF7-S2G Serial ATA Connectors NF7-S/NF7-S2/NF7-S2G Status Indicators System Management Bus Headers Back Panel Connectors NF7/NF7-S NF7-M NF7-S2/NF7-S2G AUDIO1 F10 Bios SetupEsc SoftMenu Setup CPU Name IsCPU Internal Frequency CPU Operating SpeedPower Supply Controller Multiplier FactorAGP Frequency CPU FSB/DRAM ratioBrand Name FrequencySystem Performance FSB FrequencyRow-active delay RAS-to-CAS delayRow-precharge delay CAS Latency TimeTime hhmmss Standard Cmos FeaturesNF7/NF7-S/NF7-M NF7-S2/NF7-S2G Date mmddyy NF7/NF7-S/NF7-M NF7-S2/NF7-S2G IDE HDD Auto-Detection CapacityFloppy 3 Mode Support CylinderHead PrecompBase Memory Extended MemoryAdvanced Bios Features Boot Up Floppy Seek Boot Up NumLock StatusApic Mode Swap Floppy DriveFull Screen Logo Show NF7-S2/NF7-S2G Delay IDE InitialReport No FDD For OS Advanced Chipset Features System Bios CacheableVideo RAM Cacheable AGP Aperture SizeFrame Buffer Size For NF7-M only FSB Spread SpectrumSpecial I/O for PCI Card AGP Aperture Size MBAGP 8X Support Master/Slave Drive PIO Mode Integrated PeripheralsOnChip IDE Device OnChip IDE1 ControllerIDE Prefetch Mode OnChip IDE2 ControllerIDE Bus Master OnChip PCI DeviceLAN Boot ROM Audio ControllerLAN Controller IEEE1394 Controller For NF7-S OnlyIR Transmission Delay Use IR PinsEXT-P2P’s Discard Time Onboard FDD ControllerParallel1 Port Mode EPP Mode SelectECP Mode Use DMA IDE Function SetupOnboard Device OnChip IDE-1/IDE-2 ControllerUSB KB. Storage Support Serial-ATASata Spread Spectrum SuperIO DeviceInit Display First Power Management Setup Power-On by Alarm NF7-S2/NF7-S2G Day of Month Alarm/ Time hhmmss AlarmPower On Function KB Power On PasswordRestore on AC Power Loss PnP/PCI Configurations Force Update EscdResources Controlled By IRQ ResourcesPCI Latency Timer PCI/VGA Palette SnoopAllocate IRQ to Video Allocate IRQ to USBNF7-S2/NF7-S2G Assign IRQ for VGAAssign IRQ for USB Pirq 0 Assignment ~ Pirq 3 AssignmentPC Health Status CPU Shutdown Temperature / Shutdown TemperatureCPU Warning Temperature Load Fail-Safe Defaults Load Optimized DefaultsSet Password Save & Exit SetupNF7 Series Appendix A. Install Nvidia nForce Chipset Driver Click Continue Anyway Appendix B. Install Integrated GPU Driver NF7-M Appendix B Appendix C. Install USB 2.0 Driver Appendix C Appendix D. Install LAN Driver NF7-S2G Appendix D Appendix E. Install Serial ATA Driver NF7-S Click Finish Bios Setup for Serial ATA RAID RAID Configuration Utility MenuArray Mode Main MenuOption Resolve Conflicts Option Delete RAID setOption Rebuild Mirrored set Appendix F. Bios Setup for Nvraid NF7-S2/NF7-S2G Setting Up the BiosNvidia RAID Utility Menu Define a New ArraySelecting the RAID Mode Assinging the DisksArray List Array DetailNF7 Series Appendix G. Abit EQ The Hardware Doctor Utility Appendix G Appendix H. FlashMenu Bios Update Utility Appendix H Appendix I. Troubleshooting Need Assistance? Example Main instructions Technical Support Form Appendix J. How to Get Technical Support Alt.comp.hardware.homebuilt alt.comp.hardware.pc-homebuilt 4QX, UK Thank You Abit Computer Corporation

NF7, NF7-S2G, NF7-M, NF7-S2, NF7-S specifications

The Abit NF7 series of motherboards, which includes the NF7-S, NF7-S2, NF7-M, NF7-S2G, and NF7, is renowned for its performance, stability, and advanced features tailored for AMD processors during the early 2000s. These boards were particularly popular for enthusiasts and gamers seeking to build high-performance systems with the nForce2 chipset, which significantly enhanced system capabilities.

The NF7-S, the flagship model, stood out due to its comprehensive feature set. It supported a broad range of AMD processors, including the Athlon XP and Duron, which made it an appealing choice for various users. One of its main attractions was the dual-channel memory technology, permitting up to 2GB of DDR RAM, effectively doubling memory bandwidth and improving performance in memory-intensive applications.

Another significant feature of the NF7-S was its integrated Universal Audio Codec, delivering high-quality sound without the need for a separate sound card. Additionally, it offered a fast 133MHz FSB (Front Side Bus), enabling remarkable speed in data transfer, thereby enhancing the overall system performance. The motherboard also featured several expansion slots, including AGP 8x and PCI slots, allowing users to install a range of graphics cards and peripherals.

The NF7-S2, a slightly reduced version, maintained many capabilities of the NF7-S while providing essential features suitable for budget-conscious builders. It came with single-channel memory support but still leveraged the strengths of the nForce2 chipset, ensuring solid performance for general computing and light gaming.

The NF7-M was tailored for micro-ATX systems, representing a compact solution for those who needed a smaller footprint without sacrificing performance. With similar specs to its larger counterparts, it also supported dual-channel memory and offered significant connectivity options.

The NF7-S2G included integrated graphics capabilities, catering to users who preferred a more straightforward setup without dedicated graphics cards. This model offered a great balance for everyday computing tasks and casual gaming.

In summary, the Abit NF7-series motherboards were pivotal in advancing desktop performance during their time, providing users with robust options filled with innovative technologies and a variety of features designed for different needs, solidifying their legacy in the history of computer hardware.
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