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NF500-A2G / NF500 AM2
Setup Manual
FCC Information and Copyright
This equipment has been tes ted and found to comply with the limits of a Class
B digital devic e, purs uant to Part 15 of the FCC Rules . T hese limits are designed
to provide reasonable protec tion against harmful interference in a residential
installation. T his equipment generates , uses and can radiate radio frequency
energy and, if not ins talled and used in accordance with the instructions , may
cause harmful interference to radio communications . There is no guarantee
that interference will not occur in a particular ins tallation.
The vendor makes no representations or warranties with respec t to the
contents here and s pecially disclaims any implied warranties of merchantability
or fitness for any purpose. Further the vendor reserves the right to revise this
publication and to make c hanges to the c ontents here without obligation to
notify any party beforehand.
D uplication of this publication, in part or in whole, is not allowed without first
obtaining the vendor's approval in writing.
The content of this user's manual is subject to be c hanged without notice and
we will not be res ponsible for any mis takes found in this user's manual. All the
brand and produc t names are trademarks of their respec tive companies .

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Summary of Contents for Biostar NF500-A2G

  • Page 1 NF500-A2G / NF500 AM2 Setup Manual FCC Information and Copyright This equipment has been tes ted and found to comply with the limits of a Class B digital devic e, purs uant to Part 15 of the FCC Rules . T hese limits are designed to provide reasonable protec tion against harmful interference in a residential installation.
  • Page 2: Table Of Contents

    Table of Contents Chapter 1: Introduction ..........1 Before You Start..............1 Package Checklist..............1 Motherboard Features............2 Rear Panel Connectors............3 Motherboard Layout ............4 Chapter 2: Hardware Installation......5 Installing Central Processing Unit (CPU) ........ 5 FAN Headers................ 7 Installing System Memory............
  • Page 3: Chapter 1: Introduction

    NF500-A2G/NF500 A M2 CHAPTER 1: INTRODUCTION EFORE T ART Thank you for choosing our product. Be fore you start installing the mothe rboard, please make sure you follow the instructions be low: Prepare a dry and stable work ing environment with sufficie nt lighting.
  • Page 4: Motherboard Features

    Motherboard Manual OT HERBOARD EAT URES NF500-A2G NF500 AM2 Socket AM2 Socket AM2 AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 / AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 /...
  • Page 5: Rear Panel Connectors

    Windows 2K / XP Windows 2K / XP OS Support Biostar Reserves th e righ t to add or remove Biostar Reserves th e righ t to add or remove support for any OS With or withou t notice. support for any OS With or withou t notice.
  • Page 6: Motherboard Layout

    Motherboard Manual OT HERBOARD AYOUT J CFA N1 JKBMS1 JKBMSV1 JATXPWR2 JPRNT1 ( option al) JATXPWR1 JUSB4 JUSBV1 JUSBLAN1 JAUDIO1 JAUD IO1 PCI-EX16 JN FAN1 PCI-EX1_1 Codec nVIDIA nForce500 JDDR II_2. 2V PCI-EX1_2 JC DIN1 PCI1 BAT1 JUSB2 JUSB3 JUSB4 Su per I/O PCI2 JSATA1...
  • Page 7: Chapter 2: Hardware Installation

    NF500-A2G/NF500 A M2 CHAPTER 2: HARDWARE INSTALLATION (CPU) NST ALLING ENT RAL ROCESSING Step 1: Remove the socket protection cap. Step 2: Pull the lever toward direction A from the socket and then raise the lever up to a 90-degree angle.
  • Page 8 Motherboard Manual Step 4: Hold the CPU down firmly, and then close the lever toward direct B to complete the installation. Step 5: Put the CPU Fan on the CPU and buckle it. Connect the CPU FAN power cable to the JCFAN1. This completes the installation.
  • Page 9: Fan Headers

    NF500-A2G/NF500 A M2 FAN H EADERS These fan headers support cooling-fans built in the computer. The fan cable and connector may be different according to the fan manufacturer. Connect the fan cable to the connector while matching the black wire to pin#1.
  • Page 10: Installing System Memory

    Motherboard Manual NST ALLING YST EM EMORY A. Memory Modules Unlock a DIMM slot by pressing the retaining clips outward. Align a DIMM on the slot such that the notch on the DIMM matches the break on the Slot. Insert the DIMM vertically and firmly into the slot until the retaining chip snap back in place and the DIMM is properly seated.
  • Page 11 NF500-A2G/NF500 A M2 B. Memory Capacity DIMM Socket Total Memory DDR Module Location Size DDR2A1 256MB/512MB/1024MB DDR2B1 256MB/512MB/1024MB Max is 4GB. DDR2A2 256MB/512MB/1024MB DDR2B2 256MB/512MB/1024MB C. Dual Channel Memory installation To trigger the Dual Channel f unction of the motherboard, the memory module...
  • Page 12: Connectors And Slots

    Motherboard Manual ONNECT ORS AND LOT S FDD1: Floppy Disk Conne ctor The motherboard prov ides a standard floppy disk connector that supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk ty pes. This connector supports the prov ided f loppy drive ribbon cables. IDE1/IDE2: Hard Disk Conne ctors The motherboard has a 32-bit Enhanced PCI IDE Controller that prov ides PIO Mode 0~4, Bus Master, and Ultra DMA 33/66/100/133 f unctionality.
  • Page 13 NF500-A2G/NF500 A M2 PCI-Ex16: PCI-Express x16 Slot PCI-Express 1.0a compliant. Maximum theoretical realized bandwidth of 4GB/s simultaneously per direction, f or an aggregate of 8GB/s totally. PCI-Ex1_1/PCI-Ex1_2: PCI-Express x1 slots PCI-Express 1.0a compliant. Data transf er bandwidth up to 250MB/s per direction; 500MB/s in total.
  • Page 14: Chapter 3: Headers & Jumpers Setup

    Motherboard Manual CHAPTER 3: HEADERS & JUMPERS SETUP OW T O ET UP UMPERS The illustration shows how to set up jumpers. When the jumper cap is placed on pins, the jumper is “close”, if not, that means the jumper is “open”.
  • Page 15 NF500-A2G/NF500 A M2 JATXPWR1: ATX Powe r Source Conne ctor This connector allows user to connect 24-pin power connector on the ATX power supply. Assignment Assignment +3.3V +3.3V -12V +3.3V Ground Ground PS_ON Ground Ground Ground Ground Ground PW_OK Standby Voltage+5V...
  • Page 16 Motherboard Manual JKBMSV1: Powe r Source Selection Heade rs for Keyboard/Mouse Pin 1-2 Close: JKBMSV1: +5V for PS/2 key board and mouse。 Pin 2-3 Close: JKBMSV1: PS/2 keyboard and mouse are powered with +5V standby v oltage. Pin 1-2 close Pin 2-3 close JUSB2/JUSB3/JUSB4: He ade rs for USB 2.0 Ports at Front Panel This header allows user to connect additional USB cable on the PC f ront panel,...
  • Page 17 NF500-A2G/NF500 A M2 JUSBV1/JUSBV2: Powe r Source Heade rs for USB Ports Pin 1-2 Close: JUSBV1: +5V for USB ports at JUSBLAN1. JUSBV2: +5V for USB ports at f ront panel (JUSB1/JUSB2/JUSB3). Pin 2-3 Close: JUSBV1: USB ports at JUSBLAN1 are powered by +5V standby voltage.
  • Page 18 Motherboard Manual JCDIN1: CD-RO M Audio-in Connector This connector allows user to connect the audio source f rom the v ariaty dev ices, like CD-ROM, DVD-ROM, PCI sound card, PCI TV turner card etc.. Assignment Left Channel Input Ground Ground Right Channel Input JCMO S1: Cle ar CMOS Heade r By placing the jumper on pin2-3, it allows user to restore the BIOS saf e setting...
  • Page 19 NF500-A2G/NF500 A M2 JSATA1~JSATA4: Se rial ATA Connectors The motherboard has a PCI to SATA Controller with 4 channels SATA interf ace. Assignment Ground T X+ J SATA1 J SATA2 J SATA3 JSATA4 T X- Ground Ground JPRNT1: Printe r Port Connector This header allows you to connector printer on the PC.
  • Page 20 Motherboard Manual He ade r for Memory Voltage O ve rclocking: JDDRII_2.2V When processing Memory Voltage Ov erclocking, please place the jumper to pin1-2 Closed. The Default setting is Pin 2-3 Closed. Pin 1-2 Close: Memory voltage 2.2V. Pin 2-3 Close: Normal status (default).
  • Page 21: Chapter 4: Nvidia Raid Functions

    NF500-A2G/NF500 A M2 CHAPTER 4: NVIDIA RAID FUNCTIONS PERAT ION YST EM Supports Windows XP Home/Prof essional Edition, and Windows 2000 Prof essional. RRAYS NVRAID supports the f ollowing ty pes of RAID arrays: RAID 0: RAID 0 defines a disk striping scheme that improves disk read and write times for many applications.
  • Page 22 Motherboard Manual RAID 1: Every read and write is actually carried out in parallel across 2 disk drives in a RAID 1 array system. The mirrored (backup) copy of the data can reside on the same disk or on a second redundant drive in the array.
  • Page 23 NF500-A2G/NF500 A M2 RAID 0+1: RAID 0 drives can be mirrored using RAID 1 techniques. Resulting in a RAID 0+1 solution for improved performance plus resiliency. Features and Benefits Drives: Minimum 4, and maximum is 6 or 8, depending on the platform.
  • Page 24: Chapter 5: Useful Help

    Motherboard Manual CHAPTER 5: USEFUL HELP RIVER NST ALLAT ION OT E After you installed your operating system, please insert the Fully Setup Driver CD into your optical drive and install the driver for better system performance. You will see the following window after you insert the CD The setup guide will auto detect your motherboard and operating system.
  • Page 25: Award Bios Beep Code

    BIOS contents are corrupted. In this Case, please follow the procedure below to restore the BIOS: 1. Make a bootable floppy disk. 2. Download the Flash Utility “AWDFLASH.exe” from the Biostar website: www.biostar.com.tw 3. Confirm motherboard model and download the respectively BIOS from Biostar website.
  • Page 26 Motherboard Manual B. CPU Overheated If the system shutdown automatically after power on system for seconds, that means the CPU protection function has been activated. When the CPU is over heated, the motherboard will shutdown automatically to avoid a damage of the CPU, and the system may not power on again.
  • Page 27: Troubleshooting

    NF500-A2G/NF500 A M2 ROUBLESHOOT ING Probable Solution No power to the system at all Make sure power cable is Power light don’t illuminate, f an securely plugged in. inside power supply does not turn Replace cable. Contact technical support. Indicator light on key board does not turn on.
  • Page 28: Chapter 6: Warpspeeder

    Motherboard Manual WARPSPEEDER™ CHAPTER 6: NT RODUCT ION [WarpSpeeder™], a new powerful control utility, features three user-friendly functions including Overclock Manager, Overvoltage Manager, and Hardware Monitor. With the Overclock Manager, users can easily adjust the frequency they prefer or they can get the best CPU performance with just one click. The Overvoltage Manager, on the other hand, helps to power up CPU core voltage and Memory voltage.
  • Page 29: Installation

    NF500-A2G/NF500 A M2 NST ALLAT ION 1. Execute the setup execution file, and then the following dialog will pop up. Please click “Next” button and follow the default procedure to install. 2. When you see the following dialog in setup procedure, it means setup is completed.
  • Page 30: Warpspeeder

    Motherboard Manual 6.4 W ™ PEEDER 1. Tray Icon: Whenever the Tray Icon utility is launched, it will display a little tray icon on the right side of Windows Taskbar. This utility is responsible for conveniently invoking [WarpSpeeder™] Utility. You can use the mouse by clicking the left button in order to invoke [WarpSpeeder™] directly from the little tray icon or you can right-click the little tray icon to pop up a popup menu as following figure.
  • Page 31 NF500-A2G/NF500 A M2 2. Main Panel If you click the tray icon, [WarpSpeeder™] utility will be invoked. Please refer to the following figure; the utility’s first window you will see is Main Panel. Main Panel contains fe ature s as follows: a.
  • Page 32 Motherboard Manual 3. Voltage Panel Click the Voltage button in Main Panel, the button will be highlighted and the Voltage Panel will slide out to up as the following figure. In this panel, you can decide to increase CPU core voltage and Memory voltage or not.
  • Page 33 NF500-A2G/NF500 A M2 4. Overclock Panel Click the Overclock button in Main Panel, the button will be highlighted and the Overclock Panel will slide out to left as the following figure. O ve rclock Panel contains the these features: a. “–3MHz button”, “-1MHz button”, “+1MHz button”, and “+3MHz button”: provide user the ability to do real-time overclock adjustment.
  • Page 34 Motherboard Manual “Auto-overclock button”: User can click this button and [WarpSpeeder™] will set the best and stable performance and frequency automatically. [WarpSpeeder™] utility will execute a series of testing until system fail. Then system will do fail-safe reboot by using Watchdog function. After reboot, the [WarpSpeeder™] utility will restore to the hardware default setting or load the verified best and stable frequency according to the Recovery Dialog’s setting.
  • Page 35 NF500-A2G/NF500 A M2 6. About Panel Click the “about” button in Main Panel, the button will be highlighted and the About Panel will slide out to up as the following figure. In this panel, you can get model name and detail information in hints of all the chipset that are related to overclocking.
  • Page 36: Appendencies: Spec In Other Language

    Motherboard Manual APPENDENCIES: SPEC IN OTHER LANGUAGE ERMAN NF500-A2G NF500 AM2 Sockel AM2 Sockel AM2 AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 / AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 /...
  • Page 37 Unterstü tzt RAID 0 / 1 / 0+1 Windows 2K / XP Windows 2K / XP Biostar beh ält sich das Rech t vor, ohne Biostar beh ält sich das Rech t vor, ohne OS-Un terstüt Ankündigung die Un terstützung für ein Ankündigung die Un terstützung für ein...
  • Page 38: France

    Motherboard Manual RANCE NF500-A2G NF500 AM2 Socket AM2 Socket AM2 Processeu rs AMD Athlon 64 / Athlon 64 FX / Processeu rs AMD Athlon 64 / Athlon 64 FX / Althlon 64 X2 / Sempron Althlon 64 X2 / Sempron...
  • Page 39 Windows 2K / XP Windows 2K / XP Support SE Biostar se réserve le droit d'ajouter ou de Biostar se réserve le droit d'ajouter ou de supprimer le support de SE avec ou sans préavis supprimer le support de SE avec ou sans préavis...
  • Page 40: Italian

    Motherboard Manual T ALIAN NF500-A2G NF500 AM2 Socket AM2 Socket AM2 Processori AMD Athlon 64 / Athlon 64 FX / Processori AMD Athlon 64 / Athlon 64 FX / Althlon 64 X 2 / Sempron Althlon 64 X 2 / Sempron L’architettura AMD 64 abilita l a...
  • Page 41 Supporto RAID 0 / 1 / 0+1 Windows 2K / XP Windows 2K / XP Sistemi Biostar si riserva il diritto di aggiungere o Biostar si riserva il diritto di aggiungere o operativi rimuovere il supporto di qualsiasi sistema rimuovere il supporto di qualsiasi sistema...
  • Page 42: Spanish

    Motherboard Manual PANISH NF500-A2G NF500 AM2 Conector AM2 Conector AM2 Procesadores AMD Athlon 64 / Ath lon 64 FX / Procesadores AMD Athlon 64 / Ath lon 64 FX / Ath lon 64 X2 / Sempron Ath lon 64 X2 / Sempron...
  • Page 43 Windows 2K / XP Windows 2K / XP sistema Biostar se reserva el derecho de añ adir o retirar Biostar se reserva el derecho de añ adir o retirar operativo el soporte de cualquier SO con o sin aviso previo...
  • Page 44: Portuguese

    Motherboard Manual ORT UGUESE NF500-A2G NF500 AM2 Socket AM2 Socket AM2 Processadores AMD Ath lon 64 / Ath lon 64 FX / Processadores AMD Ath lon 64 / Ath lon 64 FX / Althlon 64 X2 / Sempron Althlon 64 X2 / Sempron A arquitectu ra AMD 64 permite u ma compu tação...
  • Page 45 Suporta as funções RAID 0 / 1 / 0 +1 Windows 2K / XP Windows 2K / XP Sistemas A Biostar reserva-se o direito de adicionar ou A Biostar reserva-se o direito de adicionar ou operativos remover suporte para qu alquer sistema...
  • Page 46: Polish

    Motherboard Manual OLISH NF500-A2G NF500 AM2 Socket AM2 Socket AM2 Procesory AMD Ath lon 64 / Ath lon 64 FX / Procesory AMD Ath lon 64 / Ath lon 64 FX / Althlon 64 X2 / Sempron Althlon 64 X2 / Sempron Procesor Architektu ra AMD 64 umożliwia przetwarzanie...
  • Page 47 Obsługa RAID 0 / 1 / 0 +1 Obsluga Windows 2K / XP Windows 2K / XP systemu Biostar zastrzega sobie prawo dodawania lub Biostar zastrzega sobie prawo dodawania lub operacyjne odwoływania obsługi dowoln ego systemu odwoływania obsługi dowoln ego systemu operacyjnego bez powiadomien ia.
  • Page 48: Russian

    Motherboard Manual USSIAN NF500-A2G NF500 AM2 Гнездо AM2 Гнездо AM2 Процессоры AMD Ath lon 64 / Athlon 64 FX / Процессоры AMD Ath lon 64 / Athlon 64 FX / (центральн Althlon 64 X2 / Sempron Althlon 64 X2 / Sempron ый...
  • Page 49 тики Windows 2K / XP Windows 2K / XP Поддержка Biostar сохран яет за собой право добавлять Biostar сохран яет за собой право добавлять или удалять средства обеспечения для OS с или удалять средства обеспечения для OS с или без предварительного уведомления.
  • Page 50: Arabic

    SATA ‫. 0.1 اﻹﺹﺪار‬ ‫ﻡﻄﺎﺏﻘﺔ ﻟﻤ ﻮ اﺹﻔﺎت‬SATA ‫. 0.1 اﻹﺹﺪار‬ ‫ﺎت‬ ‫ﻡﻄﺎﺏﻘﺔ ﻟﻤ ﻮ اﺹﻔ‬ Marvell 88E3016 PHY ( ‫ ﻓــــﻲ‬NF500 AM2 ‫)ﻓﻘـــــﻂ‬ Marvell 88E1116 PHY ( ‫ ﻓــــﻲ‬NF500-A2G ‫)ﻓﻘـــــﻂ‬ ‫ﺵﺒﻜﺔ د ا ﺥ ﻠﻴﺔ‬ 1000 ‫ﺙﺎﻥﻴﺔ و‬ ‫ﻡﻴﺠﺎ ﺏﺎﻳﺖ‬...
  • Page 51 ‫ﺣﺠﻢ اﻟﻠﻮﺣﺔ‬ Windows 2K / XP Windows 2K / XP ‫ﺗﺤﺘﻔﻆ‬Biostar ‫ﺏﺤﻘﻬﺎ ﻓﻲ إﺿﺎﻓﺔ أو إز ا ﻟﺔ اﻟﺪﻋﻢ ﻷ ي ﻥﻈﺎم ﺗﺸﻐﻴﻞ ﺏﺈﺥﻄﺎ ر أو‬ ‫ﺗﺤﺘﻔﻆ‬Biostar ‫إز ا ﻟﺔ اﻟﺪﻋﻢ ﻷ ي ﻥﻈﺎم ﺗﺸﻐﻴﻞ ﺏﺈﺥﻄﺎ ر أو‬ ‫ﺏﺤﻘﻬﺎ ﻓﻲ إﺿﺎﻓﺔ أو‬...
  • Page 52: Japanese

    Motherboard Manual APANESE NF500-A2G NF500 AM2 Socket AM2 Socket AM2 AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 / AMD Ath lon 64 / Ath lon 64 FX / Alth lon 64 X2 / Sempron プロセッサ...
  • Page 53 NF500-A2G/NF500 A M2 NF500-A2G NF500 AM2 フロッピーコネクタ フロッピーコネクタ プリンタポートコネクタ プリンタポートコネクタ IDEコネクタ IDEコネクタ SATAコネクタ SATAコネクタ フロントパネルコネクタ フロントパネルコネクタ フロントオーディオコネクタ フロントオーディオコネクタ CDインコネクタ CDインコネクタ オンボードコ S/PDIFアウトコネクタ S/PDIFアウトコネクタ ネクタ CPUファンヘッダ CPUファンヘッダ システムファンヘッダ システムファンヘッダ シャーシオープンヘッダ(オプション) シャーシオープンヘッダ(オプション) CMOSクリアヘッダ CMOSクリアヘッダ USBコネクタ USBコネクタ 電源コネクタ(24 ピン) 電源コネクタ(24 ピン) 電源コネクタ(4 ピン) 電源コネクタ(4 ピン)
  • Page 54 NF500-A2G/NF500 AM2 BIOS SETUP BIOS Setup ....................1 1 Main Menu....................3 2 Standard CMOS Features..............6 3Advanced BIOS Features ................8 4 Advanced Chipset Features..............13 5 Integrated Peripherals................20 6 Power Management Setup..............26 7 PnP/PCI Configurations...............30 8 PC Health Status ...................33 9 Frequency/ Voltage Control ..............35...
  • Page 55: Bios Setup

    NF500-A2G / NF500 AM2 BIOS Setup Introduction The purpose of this manual is to describe the settings in the Phoenix-Award™ BIOS Setup program on this motherboard. The Setup program allows users to modify the basic system configuration and save these settings to CMOS RAM.
  • Page 56 NF500-A2G / NF500 AM2 PCI Bus Support This PHOENIX-AWARD BIOS also supports Version 3.0 o f the Int el PCI (Peripheral Component Interconnect) local bus specification. DRAM Support DDR SDRAM (Double Data Rate Synchronous DRAM) is supported. Supported CPUs This PHOENIX-AWARD BIOS supports the AMD CPU.
  • Page 57: Main Menu

    NF500-A2G / NF500 AM2 1 Main Menu Once you enter Phoenix-Award BIOS™ CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from several setup functions. Use the arrow keys to select among the items and press <Enter>...
  • Page 58 NF500-A2G / NF500 AM2 Integrated Peripherals This submenu allows you to configure cert ain IDE hard drive options and Programmed Input/ Output features. Power Management Setup This submenu allows you to configure the power managem ent features. PnP/PCI Configurations This submenu allows you to configure cert ain “ Plug and Play” and PCI options.
  • Page 59 NF500-A2G / NF500 AM2 Set User Password If the Supervisor Password is not set, then the User Password will function in the same way as the Supervisor Password. If the Supervisor Password is set and the User Password is set, the “User” will only be able to view con figurations but will not be able to change them.
  • Page 60: Standard Cmos Features

    NF500-A2G / NF500 AM2 2 Standard CMOS Features The items in Standard CMOS Setup Menu are divided into several categori es. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the<PgUp> or <PgDn> keys to select the value you want in each item.
  • Page 61 NF500-A2G / NF500 AM2 Item Options Description Press <Enter> to enter the Options are in its sub IDE Secondary Master sub menu of detailed menu. options. Press <Enter> to enter the Options are in its sub IDE Secondary Slav e sub menu of detailed menu.
  • Page 62: 3Advanced Bios Features

    NF500-A2G / NF500 AM2 3Advanced BIOS Features Figure 3: Advanced BIOS Setup Cache Setup...
  • Page 63 NF500-A2G / NF500 AM2 CPU Internal Cache Depending on the CP U/chipset in use, you may be able to increase me mory access time with this option. Enabled (default) Enable cache. Disabled Disable cache. External Cache This option enables or disables “ Level 2” secondary cache on the CP U, which may improve performance.
  • Page 64 NF500-A2G / NF500 AM2 Hard Disk Boot Priority The BIOS will attempt to arrange the Hard Disk boot sequence automatically. You can change the Hard Disk booting sequence here. The Choices: Pri. Master, Pri. Slave, Sec. Master, Sec. Slave, USB HDD0, USB HDD1, USB HDD2, and Bootable Add-in Cards.
  • Page 65 NF500-A2G / NF500 AM2 Virus Warning This option allows you to choose the VIRUS Warning feature th at is used to protect the IDE Hard Disk boot sector. If this function is enabled and an attempt is made to write to the boot sector, BIOS will display a warning message on the screen and sound an alarm beep.
  • Page 66 NF500-A2G / NF500 AM2 Security Option This option will enable only individuals with passwords to bring the system online and/or to use the CMOS Setup Utility. System: A password is required for the system to boot and is also required to access the Setup Utility.
  • Page 67: Advanced Chipset Features

    NF500-A2G / NF500 AM2 4 Advanced Chipset Features This submenu allows you to configure the speci fic features o f the chipset installed on your system. This chipset manage bus speeds and access to system memory resources, such as DRAM. It also coordinates communications with the PCI bus.
  • Page 68 NF500-A2G / NF500 AM2 DRAM Configuration Memory Timings...
  • Page 69 NF500-A2G / NF500 AM2 tCL <CAS Latency> The Choices: Auto (Default), 3 Clock, 4 Clock, 5 Clock, 6 Clock. tRCD The Choices: Auto (Default), 3 Clock, 4 Clock, 5 Clock, 6 Clock. The Choices: Auto (Default), 3 Clock, 4 Clock, 5 Clock, 6 Clock.
  • Page 70 NF500-A2G / NF500 AM2 Read delay from Rx FIFO The Choices: Auto (Default), 0.5 Clock, 1.0 Clock, 1.5 Clock, 2.0 Clock, 2.5 Clock, 3.0 Clock, 3.5 Clock, 4.0 Clock. Drive Strength Setting Dram driver weak mode The Choices: Auto (Default), Normal, Weak.
  • Page 71 NF500-A2G / NF500 AM2 Dram on-die Termination The Choices: AUTO(Default), 75ohm, 150ohm, 50oham. Read/Write Queue bypass The Choices: AUTO (Default). Bypass maximum The Choices: AUTO (Default). 32 Byte Granularity The Choices: AUTO (Default), 64-byte, 32-byte. Timing Mode The Choices: AUTO (Default), MaxMemCLK.
  • Page 72 NF500-A2G / NF500 AM2 Tw Tr Command Delay The Choices: 3 bus clocks (default). Trfc0 for DIMM0 The Choices: 75ns (default). Trfc1 for DIMM1 The Choices: 75ns (default). Trfc2 for DIMM2 The Choices: 75ns (default). Trfc3 for DIMM3 The Choices: 75ns (default).
  • Page 73 NF500-A2G / NF500 AM2 CPU Spread Spectrum The Choices: Disable, Center Spread (default). SATA Spread Spectrum SA TA This item allows you to disable \ enable the spread spectrum function. The Choices: Disabled (default), Down Spread. PCIE Spread Spectrum SA TA This item allows you to disable \ enable the spread spectrum function.
  • Page 74: Integrated Peripherals

    NF500-A2G / NF500 AM2 5 Integrated Peripherals Figure 5. Integrated Peripherals IDE Function Setup Highlight the “Press Enter” lab el next to the “ IDE Function Setup” label and press enter key will take you a submenu with the following options:...
  • Page 75 NF500-A2G / NF500 AM2 On-chip IDE Channel 0/1 The motherboard chipset contains a P CI IDE interface with support for two IDE channels. Select “ Enabled” to activate the first and/or second IDE interface. Select “ Disabled” to deactivate an interface if you are going to install a primary and/or secondary add-in IDE interface.
  • Page 76 NF500-A2G / NF500 AM2 RAID Config RAID Enable This option allows you to enable or disable RAID function. The Choices: Disabled (default), Enabled. SATA A/B Primary/Secondary RAID This option allows you to enable or disable SATA A P rimary/Secondary RAID.
  • Page 77 NF500-A2G / NF500 AM2 Onboard Device Highlight the “Press Enter” label next to the “Onboard Device” label and press the enter key will take you a submenu with the following options: OnChip USB This option should be enabled if your system has a USB installed on the system board.
  • Page 78 NF500-A2G / NF500 AM2 MAC LAN This option allows you to control the onboard MAC LAN. The Choices: Auto (default), Disabled. Onboard LAN Boot ROM This item allows you to enable or disable the Onboard LAN Boot ROM. The Choices: Disabled (default), Enabled.
  • Page 79 NF500-A2G / NF500 AM2 Onboard Parallel Port This item allows you to determine access onboard parallel port controller with which I/O Address. The Choices: 378/IRQ 7 (default), 278/IRQ5, 3BC/IRQ7, Disabled. Parallel Port Mode This item allows you to determine how the parallel port should function. The default value is SPP .
  • Page 80: Power Management Setup

    NF500-A2G / NF500 AM2 6 Power Management Setup The Power Management Setup Menu allows you to con figure you r system to utilize energy conservation and power up/power down featu res. Figure 6. Power Management Setup ACPI Function This item displays the status of the Advanced Configuration and Power Management (ACPI).
  • Page 81 NF500-A2G / NF500 AM2 Power Management This category allows you to select the power saving method and is directly related to the following modes: 1. HDD Power Down. 2. Suspend Mode. There are three options of Power Management, three of which have fixed mode settings Min.
  • Page 82 NF500-A2G / NF500 AM2 Soft-Off by PWR-BTN This item determines the behavior of system power button. Instant off turn o ff the power immediately, and Delay 4 Sec. will require you to press and hold the power button for 4 seconds to cut off the system power.
  • Page 83 NF500-A2G / NF500 AM2 Hot Key Power ON Choose the Hot Key combination to boot up the system. TheChoices:Ctrl-F1(default),Ctrl-F2, Ctrl-F3, Ctrl-F4,Ctrl-F5, Ctrl-F6, Ctrl-F7, Ctrl-F8, Ctrl-F9, Ctrl-F10, Ctrl-F11, and Ctrl-F12. POWER After PWR-Fail This setting specifies how your system should behave aft er a power fail or interrupts occurs.
  • Page 84: Pnp/Pci Configurations

    NF500-A2G / NF500 AM2 7 PnP/PCI Configurations This section describes configu ring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed of the CPU itself uses when communicating with its own special components.
  • Page 85 NF500-A2G / NF500 AM2 Reset Configuration Data The system BIOS supports the PnP feature which requires the system to record which resources are assigned and protects resources from con flict. Every peripheral device has a node, which is called ESCD. This node records which resources are assigned to it.
  • Page 86 NF500-A2G / NF500 AM2 PCI / VGA Palette Snoop Some old graphic controllers need to “ snoop” on the VGA palette and then map it to their display as a way to provide boot in form ation and VGA compatibility.
  • Page 87: Pc Health Status

    NF500-A2G / NF500 AM2 8 PC Health Status Figure 8: PC Health Status Shutdown Temperature This item allows you to set up the CPU shutdown Temperature. This item is only effective under Windows 98 ACPI mode. The Choices: Disabled (default) , 60℃/ 140℉, 65℃/ 149℉, 70℃/ 158℉.
  • Page 88 NF500-A2G / NF500 AM2 CPU Fan Full speed <℃> When CPU temperature is reach the set value, the CPU fan will work under Full Speed. The Choices: Min= 0, Max= 127, you can key in a DEC number. Start PWM Value When CPU temperature arrives to the set value, the CPU fan will work under Smart Fan Function mode.
  • Page 89: Frequency/ Voltage Control

    NF500-A2G / NF500 AM2 9 Frequency/ Voltage Control Figure 9: Frequency/ Voltage Control CPU Frequency This item allows you to select the CPU Frequency. The Choices: 200 (default). Min= 200 Max= 300 Key in a DEC number. NPT Fid Control This item allows you to select NPT Fid Control.
  • Page 90 NF500-A2G / NF500 AM2 Chipset Voltage This item allows you to select DDR Voltage Regulator. The Choices: 1.550V (Default), 1.600V, 1.650V, 1.700V. HyperTransport Voltage This item allows you to select DDR Voltage Regulator. The Choices: 1.250V (Default), 1.300V, 1.350V, 1.500V.

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