NF520-A2 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.
Table of Contents Chapter 1: Introduction ............................................. 1 1.1 1.2 1.3 1.4 1.5 1.6 Before You Start................................................................... 1 Package Checklist................................................................ 1 Motherboard Features.......................................................... 2 Rear Panel Connectors (for Ver 5.x)....................................... 4 Rear Panel Connectors (for Ver 6.x ).................................
NF520-A2 CHAPTER 1: INTRODUCTION 1.1 BEFORE YOU ST 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. Always disconne ct the compute r from powe r outle t be fore ope ration.
Motherboard Manual 1.3 MOT HERBOARD FEAT URES Ver 5.x Socket AM2 Ver 6.
NF520-A2 Ver 5.x Sound Ver 6.x Realtek ALC888 Realtek ALC861VD 7.1 channels audio out 5.
Motherboard Manual 1.4 REAR PANEL CONNECT ORS ( FOR V ER 5.X) PS/2 M ouse PS/2 Key board LAN C OM 1 USBX2 Center 1.5 USBX2 Lin e In Rear Lin e Out Si de Mi c In REAR PANEL CONNECT ORS ( FOR V ER 6.
NF520-A2 1.6 MOT HERBOARD LAYOUT JKBMS1 JCFAN1 JATXPWR 2 JCOM1 DIMMB2 DIMMA2 A M2 JUSBLAN1 DIMMB1 Socket JUSB1 DIMMA1 JPRNT1 JATXPWR 1 J AU DIO2 ( fo r Ver 5 .x ) JAUD IO1 (for Ver 6.x) JAUD IOF 1 IDE1 LAN MCP61D PEX1_1 BAT1 PEX1_2 SAT A1 SATA2 PEX16_1 J CDIN1 Super I/O BIOS Cod ec PCI1 J USB2 JU SB3 PCI2 FDD1 JSPDIF_ O UT1 PCI3 JCMOS1 JCI1 (o ptio nal ) JSFAN1 JPANEL1 st Not e: ■ represe nts the 1 pin.
Motherboard Manual CHAPTER 2: HARDWARE INSTALLATION 2.1 INST ALLING CENT RAL PROCESSING UNIT (CPU) 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. Step 3: Look for the white triangle on socket, and the gold triangle on CPU should point forwards this white triangle. The CPU will fit only in the correct orientation.
NF520-A2 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.
Motherboard Manual 2.2 FAN HEADERS 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.
NF520-A2 2.3 INST ALLING SYST EM MEMORY A. Memory Modules DIMMB2 DIMMA2 DIMMB1 DIMMA1 1. 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. 2. Insert the DIMM vertically and firmly into the slot until the retaining chip snap back in place and the DIMM is properly seated.
Motherboard Manual B. Memory Capacity Total Memory Size DIMM Socket Location DIMMA1 256MB/512MB/1024MB/2048MB DIMMB1 256MB/512MB/1024MB/2048MB DIMMA2 256MB/512MB/1024MB/2048MB DIMMB2 256MB/512MB/1024MB/2048MB DDR2 Module Max is 8GB. C. Dual Channel Memory installation To trigger the Dual Channel function of the motherboard, the memory module must meet the following requirements: Install memory module of the same density in pairs, shown in the following table.
NF520-A2 2.4 CONNECT ORS AND SLOT 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 cable. 2 34 1 33 IDE1: Hard Disk Conne ctor 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.
Motherboard Manual PEX16_1: 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. PEX1_1/ PEX1_2: PCI-Express x1 Slots - PCI-Express 1.0a compliant. - Data transf er bandwidth up to 250MB/s per direction; 500MB/s in total. PCI-Express supports a raw bit-rate of 2.5Gb/s on the data pins. 2X bandwidth ov er the traditional PCI architecture.
NF520-A2 CHAPTER 3: HEADERS & JUMPERS SETUP 3.1 HOW T O SET UP JUMPERS 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”. Pin opened 3.2 Pin closed Pin1-2 closed DET AIL SETT INGS JPANEL1: Front Panel Heade r This 16-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep button, speaker Connection. It allows user to connect the PC case’s front panel switch functions.
Motherboard Manual ATX Powe r Source Conne ctor: JATXPWR1 JATXPWR1 allows user to connect 24-pin power connector on the ATX power supply. Pin Assignment 1 2 3 4 5 6 7 8 9 10 11 12 +3.3V +3.3V Ground +5V Ground +5V Ground PW_OK Standby Voltage+5V +12V +12V +3.3V Pin 12 24 1 13 Assignment 13 14 15 16 17 18 19 20 21 22 23 24 +3.
NF520-A2 JUSB2/JUSB3: Heade rs for USB 2.0 Ports at Front Panel This header allows user to connect additional USB cable on the PC f ront panel, and also can be connected with internal USB devices, like USB card reader. JUSB2 JU SB3 2 10 1 9 Pin 1 2 3 4 5 6 7 8 9 10 Assignment +5V (fused) +5V (fused) USBUSBUSB+ USB+ Ground Ground Key NC SATA1/SATA2: Se rial ATA Conne ctors The motherboard has a PCI to SATA Controller with 2 channels SATA interf ace, it satisfies the SATA 2.
Motherboard Manual JAUDIO F1: Front Panel Audio Heade r This header allows user to connect the front audio output cable with the PC f ront panel. It will disable the output on back panel audio connectors.
NF520-A2 JCMO S1: Cle ar CMOS Heade r By placing the jumper on pin2-3, it allows user to restore the BIOS saf e setting and the CMOS data, please carefully f ollow the procedures to avoid damaging the motherboard. 1 3 Pin 1-2 Close: Normal Operation (default). 1 1 3 3 Pin 2-3 Close: Clear CMOS data. ※ Clear CMOS Proce dures: 1. 2. 3. 4. 5. 6. Remov e AC power line. Set the jumper to “Pin 2-3 close”. Wait f or f ive seconds. Set the jumper to “Pin 1-2 close”. Power on the AC.
Motherboard Manual JPRNT1: Printe r Port Connector This header allows you to connector printer on the PC.
NF520-A2 CHAPTER 4: RAID FUNCTIONS 4.1 O PERAT ION SYST EM z Supports Windows XP Home/Prof essional Edition, and Windows 2000 Prof essional. 4.2 RAID ARRAYS 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. RAID 1: RAID 1 defines techniques for mirroring data. 4.3 HOW RAID 0: RAID WORKS The controller “ stripes” data across multiple drives in a RAID 0 array system.
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. RAID 1 provides a hot-standby copy of data if the active volume or drive is corrupted or becomes unavailable because of a hardware failure.
NF520-A2 CHAPTER 5: USEFUL HELP 5.1 DRIVER INST ALLAT ION NOT 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. Note: If this window didn’t show up after you ins ert the Driver CD, please use file brows er to locate and execute the file SETUP.
Motherboard Manual 5.2 AWARD BIOS BEEP CODE Beep Sound One long beep followed by two short beeps High-low siren sound Meaning Video card not found or v ideo card memory bad CPU overheated System will shut down automatically One Short beep when system boot-up No error found during POST Long beeps every other second 5.
NF520-A2 5.4 TROUBLESHOOT ING Probable Solution 1. Make sure power cable is No power to the system at all securely plugged in. Power light don’t illuminate, f an inside power supply does not turn 2. Replace cable. on. 3. Contact technical support. 2. Indicator light on key board does not turn on. System inoperativ e. Keyboard lights Using even pressure on both ends of are on, power indicator lights are lit, the DIMM, press down firmly until the and hard driv e is spinning. module snaps into place. 1.
Motherboard Manual CHAPTER 6: WARPSPEEDER™ III 6.1 INT RODUCT ION [WarpSpeeder™ III], 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.
NF520-A2 6.3 INST 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. Click “Finish” button. Usage : The following figures are only for reference, the screen printed in this user manual will change according to your motherboard on hand.
Motherboard Manual 6.4 WARPSPEEDER™ III 1. Desktop Icon After the [WarpSpeeder™ III] has been installed, a [WarpSpeeder™ III] icon will appear on the desktop, just like the icon shown below. Now you can launch the [WarpSpeeder™ III] utility simply by double-clicking the desktop icon. 2. Main Panel If you double-click the desktop icon, [WarpSpeeder™ III] will be launched. Please refer to the following figure; the utility’s first window you will see is Main Panel.
NF520-A2 3. Overclock/Overvoltage Panel Click the Overclock/Overvoltage button in the Main Panel, the button will be highlighted and the Overclock/Overvoltage Panel will show up as the following figure. As you can see, the Overclock Panel is on the right side, and the Overvoltage Panel is on the left side.
Motherboard Manual O ve rclock Panel contains these fe atures: a. “Auto-Overclock”: User can click this button and [WarpSpeeder™ III] will set the best and stable performance and frequency automatically. A warning dialog as below will show up to notify you that the system may become unstable, click on “OK” to proceed. Then [WarpSpeeder™ III] utility will execute a series of testing until system fail. Then system will do fail-safe reboot by using Watchdog function.
NF520-A2 O ve rvoltage Panel contains these fe ature s: a. b. “CPU Voltage”: This function allows user to adjust CPU voltage. increase or “-“ to decrease the CPU voltage. Click on “+” to “Memory Voltage”: This function allows user to adjust Memory voltage. to increase or “-“ to decrease the Memory voltage. Click on “+” 4. Hardware Monitor Panel Click the Hardware Monitor button in Main Panel, the button will be highlighted and the Hardware Monitor panel will show up as the following figure.
Motherboard Manual 5. About Panel Click the “about” button in Main Panel, the button will be highlighted and the About Panel will show 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. You can also get the the version number of [WarpSpeeder™ III] utility.
NF520-A2 This page is intentionally left blank.
Motherboard Manual APPENDENCIES: SPEC IN OTHER LANGUAGE GERMAN Ver 5.x Sockel AM2 Ver 6.
NF520-A2 Ver 5.x Audio-Codec Steckplätze Onboard-Ansc hluss Realtek ALC861VD 7.1-Kanal-Audioausgabe 5.
Motherboard Manual FRANCE Ver 5.x UC Ver 6.
NF520-A2 Ver 5.x Ver 6.x Realtek ALC861VD Realtek ALC888 Sortie audio à 5.1 voies Codec audio Sortie audio à 7.
Motherboard Manual IT ALIAN Ver 5.x Socket AM2 Ver 6.
NF520-A2 Ver 5.x Alloggi Ver 6.
Motherboard Manual SPANISH Ver 5.x CPU FSB Conjunto de chips Ver 6.
NF520-A2 Ver 5.x Códecs de sonido Ranuras Conectores en placa Ver 6.x Realtek ALC888 Realtek ALC861VD Salida de sonido de 7.1 canales Salida de sonido de 5.
Motherboard Manual PORT UGUESE Ver 5.x CPU FSB Chipset Ver 6.
NF520-A2 Ver 5.x Ranhuras Ver 6.
Motherboard Manual POLISH Ver 5.x Procesor FSB Chipset Ver 6.
NF520-A2 Ver 5.x Kodek dźwiękowy Gniazda Złącza wbudowane Ver 6.x Realtek ALC 888 Realtek ALC 861VD 7.1 kanałowe wyjście audio 5.
Motherboard Manual RUSSIAN Ver 5.x CPU Ver 6.
NF520-A2 Ver 5.x Звуковой кодек Слоты Встроенны й разъём Realtek ALC 888 Realtek ALC 861VD Звуковая поддержка High-Definition Звуковая поддержка High-Definition 7.1канальный звуковой выход панель средств ввода-выв ода Размер панели 5.
Motherboard Manual ARABIC Ver 5.x وﺣﺪة اﻟﻤﻌ ﺎﻟﺠﺔ اﻟﻤﺮآﺰﻳﺔ Ver 6.
NF520-A2 Ver 5.x آﻮدیﻚ اﻟﺼﻮت Ver 6.x Realtek ALC888 Realtek ALC861VD ﺗﺪﻋﻢ ﺗﻘﻨﻴﺔ اﻟﺼﻮت ﻋﺎﻟﻲ اﻟﺘﻌﺮﻳﻒ ﻡﻦ ﺗﺪﻋﻢ ﺗﻘﻨﻴﺔ اﻟﺼﻮت ﻋﺎﻟﻲ اﻟﺘﻌﺮﻳﻒ ﻡﻦ 7.1ﻗﻨﻮات ﻟﺨﺮج اﻟﺼﻮت 5.
Motherboard Manual JAPANESE Ver 5.x CPU Ver 6.
NF520-A2 Ver 5.x サウンド Codec スロット オンボードコ ネクタ 背面パネル I/O Realtek ALC 888 Realtek ALC 861VD ハイデフィニションオーディオのサポート ハイデフィニションオーディオのサポート 7.1 チャンネルオーディオアウト 5.
NF520-A2 BIOS Setup BIOS Setup ................................................................................................ 1 1 Main Menu ............................................................................................. 3 2 Standard CMOS Features..................................................................... 7 3 Advanced BIOS Features ...................................................................... 9 4 Advanced Chipset Features.....................................................
NF520-A2 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. The power of CMOS RAM is supplied by a battery so that it retains the Setup information when the power is turned off. Basic Input-Output System (BIOS) determines what a computer can do without accessing programs from a disk.
NF520-A2 ACPI Support Phoenix-Award ACPI BIOS support Version 1.0b of Advanced Configuration and Power interface specification (ACPI). It provides ASL code for power management and device configuration capabilities as defined in the ACPI specification, developed by Microsoft, Intel and Toshiba. PCI Bus Support This PHOENIX-AWARD BIOS also supports Version 3.0 of the Intel PCI (Peripheral Component Interconnect) local bus specification.
NF520-A2 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 to accept and enter the sub-menu. !! WARNING !! For better system performance, the BIOS firmware is being continuously updated. The BIOS information described in this manual (Figure 1, 2, 3, 4, 5, 6, 7, 8, 9) is for your reference only.
NF520-A2 Advanced BIOS Features This submenu allows you to configure advanced features of the BIOS. Advanced Chipset Features This submenu allows you to configure special chipset features. Integrated Peripherals This submenu allows you to configure certain IDE hard drive options and Programmed Input/ Output features. Power Management Setup This submenu allows you to configure the power management features.
NF520-A2 Set Supervisor Password Setting the supervisor password will prohibit everyone except the supervisor from making changes using the CMOS Setup Utility. You will be prompted with to enter a password. 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 configurations but will not be able to change them.
NF520-A2 Upgrade BIOS This submenu allows you to upgrade bios.
NF520-A2 2 Standard CMOS Features The items in Standard CMOS Setup Menu are divided into several categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the or keys to select the value you want in each item. Figure 2: Standard CMOS Setup Main Menu Selections This table shows the items and the available options on the Main Menu. Item Options Description Date mm : dd : yy Set the system date.
NF520-A2 Item Options Description 360K, 5.25 in 1.2M, 5.25 in Drive A 720K, 3.5 in Drive B 1.44M, 3.5 in Select the type of floppy disk drive installed in your system. 2.88M, 3.5 in None EGA/VGA Video CGA 40 Select the default device. video CGA 80 MONO All Errors No Errors Halt On All, but Keyboard All, but Diskette Select the situation in which you want the BIOS to stop the POST process and notify you.
NF520-A2 3 Advanced BIOS Features Figure 3: Advanced BIOS Setup Cache Setup 9
NF520-A2 CPU Internal Cache Depending on the CPU/chipset in use, you may be able to increase memory 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 CPU, which may improve performance. Enabled (default) Enable cache. Disabled Disable cache. Boot Seq & Floppy Setup This item allows you to setup boot sequence & Floppy.
NF520-A2 Removable Device Priority Select Removable Boot Device Priority. The Choices: Floppy Disks, Zip100, USB-FDD0, USB-FDD1, USB-ZIP0, USB-ZIP1, LS120. 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.
NF520-A2 CD-ROM Boot Priority The Choices: Pri. Master, Pri. Slave, Sec. Master, Sec. Slave, USB CDROM0, USB CDROM 1. First/Second/Third Boot Device The BIOS will attempt to load the operating system in this order. The Choices: Removable, Hard Disk, CDROM, Legacy LAN, Disabled. Boot Other Device When enabled, BIOS will try to load the operating system from other device when it failed to load from the three devices above.
NF520-A2 Boot Up Floppy Seek When enabled, System will test the floppy drives to determine if they have 40 or 80 tracks during boot up. Disabling this option reduces the time it takes to boot-up. The Choices: Enabled (default), Disabled. Virus Warning This option allows you to choose the VIRUS Warning feature that is used to protect the IDE Hard Disk boot sector.
NF520-A2 Typematic Rate (Chars/Sec) Sets the rate at which a keystroke is repeated when you hold the key down. The Choices: 6 (default), 8, 10, 12, 15, 20, 24, 30. Typematic Delay (Msec) Sets the delay time after the key is held down before it begins to repeat the keystroke. The Choices: 250 (default), 500, 750, 1000. Security Option This option will enable only individuals with passwords to bring the system online and/or to use the CMOS Setup Utility.
NF520-A2 Full Screen Logo Show This item allows you to select whether the “Full Screen Logo” shows. Enabled (default) “Full Screen Logo” shows when system boots up. Disabled No “Full Screen Logo” shows when system boots The Choices: Enabled (default), Disabled. Small Logo(EPA) Show This item allows you to select whether the “Small Logo” shows. Enabled (default) “Small Logo” shows when system boots up. Disabled No “Small Logo” shows when system boots The Choices: Enabled (default), Disabled.
NF520-A2 4 Advanced Chipset Features This submenu allows you to configure the specific features of 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. The default settings that came with your system have been optimized and therefore should not be changed unless you are suspicious that the settings have been changed incorrectly.
NF520-A2 HT Spread Spectrum This item allows you to select HT Spread Spectrum function. The Choices: Disabled (default), 0.50% H. Kiss Cntr, 0.75% H. Kiss Cntr, 0.50% Triang. Center, 0.75% Triang. Center. SSE/SSE2 Instructions This item allows you to enable/disable SSE/SSE2 instruction. The Choices: Enabled (default), Disabled. CPU Feature Virtualization This option allows you to enable or disable Virtualization function. The Choices: Disabled (default), Enabled.
NF520-A2 System BIOS Cacheable Selecting the “Enabled” option allows caching of the system BIOS ROM at F0000h-FFFFFh, which is able to improve the system performance. However, any programs that attempts to write to this memory block will cause conflicts and result in system errors. The Choices: Disabled (default), Enabled.
NF520-A2 5 Integrated Peripherals Figure 5.
NF520-A2 RAID Config RAID Enable This option allows you to enable or disable RAID function. The Choices: Disabled (default), Enabled. SATA 1 Primary/Secondary RAID This option allows you to enable or disable SATA 1 Primary/Secondary RAID. The Choices: Disabled (default), Enabled. On-chip IDE Channel 0 The motherboard chipset contains a PCI IDE interface with support for two IDE channels. Select “Enabled” to activate the first and/or second IDE interface.
NF520-A2 Primary Master/Slave UDMA Ultra DMA function can be implemented if it is supported by the IDE hard drives in your system. As well, your operating environment requires a DMA driver (Windows 95 or OSR2may need a third party IDE bus master driver). If your hard drive and your system software both support Ultra DMA, select Auto to enable BIOS support. The Choices: Auto (default), Disabled. IDE DMA Transfer Access This item allows you to enable or disable the IDE DMA transfer access.
NF520-A2 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: USB Memory Type The Choices: SHADOW (default), Base Memory(640K). USB Keyboard/Storage Support This item allows you to enable or disable the USB Keyboard / Storage Legacy Support. Enabled Enable USB Keyboard / Storage Support. Disabled (default) Disable USB Keyboard/ Storage Support.
NF520-A2 MAC LAN This option allows you to control the onboard MAC LAN. The Choices: Auto (default), Disabled. MAC Media Interface This option allows you to control the onboard MAC Media Interface. The Choices: Pin Strap (default), MII, RGMII. Onboard LAN Boot ROM This item allows you to enable or disable the Onboard LAN Boot ROM. The Choices: Disabled (default), Enabled. Onboard I/O Address Press Enter to configure the Onboard I/O Address.
NF520-A2 Onboard Serial Port 1 Select an address and corresponding interrupt for the first and second serial ports. The Choices: 3F8/IRQ4 (default), Disabled, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3, Auto. Onboard Parallel Port This item allows you to determine access onboard parallel port controller with which I/O Address. The Choices: 378/IRQ7 (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.
NF520-A2 IDE HDD Block Mode Block mode is also called block transfer, multiple commands, or multiple sectors read / write. If your IDE hard drive supports block mode (most new drives do), select Enabled for automatic detection of the optimal number of block mode (most new drives do), select Enabled for automatic detection of the optimal number of block read / write per sector where the drive can support. The Choices: Enabled (default), Disabled.
NF520-A2 6 Power Management Setup The Power Management Setup Menu allows you to configure your system to utilize energy conservation and power up/power down features. Figure 6. Power Management Setup ACPI Function This item displays the status of the Advanced Configuration and Power Management (ACPI). The Choices: Enabled (default), Disabled. ACPI Suspend Type The item allows you to select the suspend type under the ACPI operating system.
NF520-A2 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. Saving Minimum power management. Suspend Mode = 1 hr. HDD Power Down = 15 min Max. Saving Maximum power management only available for sl CPU’s. Suspend Mode = 1 min. HDD Power Down = 1 min.
NF520-A2 Soft-Off by PBTN This item determines the behavior of system power button. Instant off turn off 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. The Choices: Delay 4 Sec, Instant-Off (default). WOL(PME#)/ From Soft-Off This item allows you to enable or disable Wake On LAN from Soft-Off function. The Choices: Disabled (default), Enabled.
NF520-A2 HPET Support This option allows you to disabled or enables the High Precision Event Timer. The Choices: Enabled (default), Disabled. POWER ON Function` This item allows you to choose the power on method. The Choices: Button Only(default), Password, Hot Key, Mouse Move/Click, Mouse Double Click, Any Key, Keyboard 98. KB Power ON Password Input password and press Enter to set the Keyboard power on password. Hot Key Power ON Choose the Hot Key combination to boot up the system.
NF520-A2 7 PnP/PCI Configurations This section describes configuring 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. This section covers some very technical items and it is strongly recommended that only experienced users should make any changes to the default settings.
NF520-A2 Reset Configuration Data The system BIOS supports the PnP feature which requires the system to record which resources are assigned and protects resources from conflict. Every peripheral device has a node, which is called ESCD. This node records which resources are assigned to it. The system needs to record and update ESCD to the memory locations. These locations are reserved in the system BIOS.
NF520-A2 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 information and VGA compatibility. This item allows such snooping to take place. The Choices: Disabled (default), Enabled Maximum Payload Size Set the maximum payload size for Transaction packets (TLP). The Choice: 4096 (default.), 128, 256, 512, 1024, 2048.
NF520-A2 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 , 60℃/ 140℉, 65℃/ 149℉, 70℃/ 158℉, 75℃/ 167℉, 80℃/ 176℉(default), 85℃/ 185℉, 90℃/ 167℉. Show H/W Monitor in POST If you computer contains a monitoring system, it will show PC health status during POST stage. The item offers several different delay times.
NF520-A2 CPU Fan Off<℃> If the CPU Temperature is lower than the set value, FAN will turn off. The Choices: Min= 0, Max= 127, key in a DEC number. CPU Fan Start<℃> CPU fan starts to work under smart fan function when arrive this set value. The Choices: Min= 0, Max= 127, key in a DEC number. 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, key in a DEC number.
NF520-A2 9 Performance Booster Zone CPU VID Control The Choices: Default (default), +3.3%, +6.6%, +10%. Memory Voltage The Choices: 1.950V (default), 2.000V, 2.050V, 2.100V. CPU Frequency This item allows you to select the CPU Frequency. The Choices: 200 (default), 201~450. PCIE Clock The Choices:100Mhz (default), 100Mhz-150Mhz. K8<->NB HT Speed The Choices: AUTO (default), 1x, 2x, 3x, 4x, 5x.
NF520-A2 DRAM Configuration Memory Timings tCL(CAS Latency) The Choices: Auto (default), 3 clock ~ 6 clock.
NF520-A2 tRCD The Choices: Auto (default), 3 clock ~ 6 clock. tRP The Choices: Auto (default), 3 clock ~ 6 clock. tRAS The Choices: Auto (default), 5 clock ~ 18 clock. Command Per Clock (CMD) The Choices: Auto (default), 1 clock ~ 2 clock. tRRD The Choices: Auto (default), 2 clock ~ 5 clock. AsyncLat The Choices: Auto (default), 1ns ~ 15ns. tRC The Choices: Auto (default), 11 clock ~ 26 clock. tWR The Choices: Auto (default), 3 clock ~ 6 clock. tRWT The Choices: Auto (default), 2 clock ~ 9 clock.
NF520-A2 Trfc2 for DIMM2 The Choices: Auto (default) , 75ns, 105ns, 127.5ns, 195ns, 327.5ns. Drive Strength setting Dram driver weak mode The Choices: Auto (default), Normal, Weak. CKE drive strength The Choices: Auto (default), 1.0x, 1.25x, 1.5x, 2.0x. CS drive strength The Choices: Auto (default), 1.0x, 1.25x, 1.5x, 2.0x. MA drive strength The Choices: Auto (default), 1.0x, 1.25x, 1.5x, 2.0x. MCLK drive strength The Choices: Auto (default), 0.75x, 1.0x, 1.25x, 1.50x.
NF520-A2 Dram on-die Termination The Choices: Auto (default), Disable, 75ohm, 150ohm, 50ohm. Read/Write Queue bypass The Choices: Auto (default), 2 times, 4 times, 8 times, 16 times. Bypass Maximum The Choices: Auto (default), No bypass, 1 time ~ 15 time. 32 Byte Granularity The Choices: Auto (default), 64-byte, 32-byte. Timing Mode This item allows you to choose to manually or automatically regulate the DDR Timing. The Choices: Auto (default), MaxMemClk.