Asus A7N266-E User Manual Page 1

® A7N266JumperFree™ DDR DRAM266MHz FSBNVIDIA® nForce 420™ ChipsetSocket A MotherboardUSER’S MANUAL

10ASUS A7N266 User’s Manual2. FEATURESPerformance2. FEATURES2.1.3 Performance and Intelligence• UltraDMA/100 Support: Comes with an onboard PCI Bus

ASUS A7N266 User’s Manual1007. APPENDIX7. APPENDIXModem Riser7.2.4 Software Setup in Windows 98The Modem Riser supports the Plug and Play feature. It

ASUS A7N266 User’s Manual 101INDEXAAccelerated Graphics PortAGP Capability 64AGP Pro Slot 30AccessoriesModem Riser 99ASUS PC Probe 83ASUS Update

102 ASUS A7N266 User’s ManualFFloppy 3 Mode 54Floppy Disk Drive Connector 35GGlossary 95HHard Disk Drives (HDDs)CHS Capacity 57Cylinders 56Heads

ASUS A7N266 User’s Manual 103PParallel Port 65Modes 66Parallel Port Connector 32PasswordIf You Forget 59Notes 59Supervisor 59User 59PC Probe 8

104 ASUS A7N266 User’s ManualNOTES

ASUS A7N266 User’s Manual 112. FEATURES2. FEATURESIntelligence• Two Onboard LEDs: 1) A green LED lights up to indicate that power is availableonboar

12ASUS A7N266 User’s Manual2. FEATURES2. FEATURESM/B ComponentsLocationProcessor Support Socket A for AMD® Athlon XP™, Athlon™ and Duron™ CPUs 1Chip

ASUS A7N266 User’s Manual 132. FEATURES2. FEATURESMotherboard Parts2.2.1 Component Locations26232725201223522242818151361817791014416211119

14ASUS A7N266 User’s Manual3. HARDWARE SETUP3.1 Motherboard LayoutMotherboard Layout3. H/W SETUP24.5cm (9.64in)30.5cm (12.0in)Primary IDESecondary ID

ASUS A7N266 User’s Manual 153. HARDWARE SETUP3. HARDWARE SETUPLayout Contents3. H/W SETUP3.2 Layout ContentsMotherboard Settings1) PLED, WARNING p.

16ASUS A7N266 User’s Manual3. HARDWARE SETUPLayout Contents3. H/W SETUP3.3 Hardware Setup ProcedureComplete these procedures before powering up the co

ASUS A7N266 User’s Manual 173. HARDWARE SETUP3. H/W SETUPMotherboard SettingsWARNING! Computer motherboards and expansion cards contain very delicateI

18ASUS A7N266 User’s Manual3. HARDWARE SETUPA7N2660 10 10 1®A7N266 CPUExternal Frequency Selection12BSEL0BSEL1CPU 133MHz(Default)DRAM 133MHz312BSEL0BS

ASUS A7N266 User’s Manual 193. HARDWARE SETUP3. H/W SETUPMotherboard Settings4) Voltage Regulator Output Setting (VID1, VID2, VID3, VID4)This jumpers

ASUS A7N266 User’s Manual2USER'S NOTICEProduct Name: ASUS A7N266Manual Revision: 1.00 E853Release Date: November 2001No part of this manual, inc

20ASUS A7N266 User’s Manual3. HARDWARE SETUP3. H/W SETUPMotherboard Settings7) Onboard Network Setting (LAN_EN) (LAN Models only)The onboard LAN netwo

ASUS A7N266 User’s Manual 213. HARDWARE SETUP3. H/W SETUPMotherboard Settings8) Onboard Audio Setting (AUD-EN) (Audio Models only)The onboard 6 channe

22ASUS A7N266 User’s Manual3. HARDWARE SETUP3. H/W SETUPMotherboard Settings10) Clear RTC RAM (2-pin CLR_RTC)This jumper allows you to reset the Real

ASUS A7N266 User’s Manual 233. HARDWARE SETUPSystem Memory3. H/W SETUP3.5 System Memory3.5.1 DDR DIMM SupportThe three DDR DIMM sockets support 2.5Vol

24 ASUS A7N266 User’s Manual3. HARDWARE SETUPSystem Memory3. H/W SETUPA7N2660 10 10 1®A7N266 184-Pin DDRDIMM Sockets80 Pins104 Pins3.5.2 Memory Instal

ASUS A7N266 User’s Manual 253. HARDWARE SETUPSystem Memory3. H/W SETUP3.5.4 General DIMM Memo•See the Configuration Rules on page 23 for essential ins

26 ASUS A7N266 User’s Manual3. HARDWARE SETUP3.6 Central Processing Unit (CPU)The motherboard provides a Socket A (462) for CPU installation. A fan a

ASUS A7N266 User’s Manual 273. HARDWARE SETUP3.7 Expansion CardsIn the future, you may need to install expansion cards. The motherboard has fivePCI ex

28 ASUS A7N266 User’s Manual3. HARDWARE SETUPCPU Installation3. H/W SETUP3.7.2 Assigning IRQs for Expansion CardsSome expansion cards need an IRQ to o

ASUS A7N266 User’s Manual 293. HARDWARE SETUPExpansion Cards3. H/W SETUPInterrupt Request Table for this MotherboardINT-A INT-B INT-C INT-D INT-EPCI s

ASUS A7N266 User’s Manual 3ASUS CONTACT INFORMATIONASUSTeK COMPUTER INC. (Asia-Pacific)MarketingAddress: 150 Li-Te Road, Peitou, Taipei, Taiwan 112Tel

30 ASUS A7N266 User’s Manual3. HARDWARE SETUPExpansion Cards3. H/W SETUP3.7.4 Accelerated Graphics Port (AGP) Pro SlotThis motherboard has an Accelera

ASUS A7N266 User’s Manual 313. HARDWARE SETUPConnectors3. H/W SETUP3.8 Connectors3.8.1 External ConnectorsWARNING! Some pins are used for connectors

32 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUP3) Universal Serial Bus Ports 1 & 2 (Black two 4-pin USB)Two USB ports are av

ASUS A7N266 User’s Manual 333. HARDWARE SETUPConnectors3. H/W SETUP6) Serial Port Connectors (Teal/Turquoise 9-pin COM1, 10-1 pin COM2)One serial por

34 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUP8) Game/MIDI Ports (Gold 15-pin GAME_AUDIO) (optional)This connector supports a jo

ASUS A7N266 User’s Manual 353. HARDWARE SETUPConnectors3. H/W SETUP10) IDE Activity LED (2-pin IDELED)This connector supplies power to the cabinet’s I

36 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUPIMPORTANT: For UltraDMA/100/66 IDE devices,use a 40-pin 80-conductor IDEcable. The

ASUS A7N266 User’s Manual 373. HARDWARE SETUPConnectors3. H/W SETUP13) CPU Fan, North Bridge Fan, and Chassis Fan Connectors(CPU, NB, CHA_FAN)The thre

38 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUP15) Infrared Connector (10-1 pin IrDA)This connector supports an optional wireless

ASUS A7N266 User’s Manual 393. HARDWARE SETUPConnectors3. H/W SETUP16) Power Supply Connectors (20-pin block ATXPWR)This connector supplies to an ATX

ASUS A7N266 User’s Manual4CONTENTS1. INTRODUCTION ... 71.1 How This Manual

40 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUP18) Internal Audio Connectors (4-1 pin CD, AUX, MODEM) (optional)These connector re

ASUS A7N266 User’s Manual 413. HARDWARE SETUPConnectors3. H/W SETUP20) Headphone True-level Line Out Header (3-pin HPHONE) (optional)This connector s

42 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUPA7N2660 10 10 1®A7N266 Digital Audio ConnectorSPDIFGND+5VSPDIF_INSPDIF_OUTGND122) D

ASUS A7N266 User’s Manual 433. HARDWARE SETUPConnectors3. H/W SETUPA7N2660 10 10 1®A7N266 Power Supply Thermal ConnectorJTPWRGroundJTPWR24) Power Sup

44 ASUS A7N266 User’s Manual3. HARDWARE SETUPConnectors3. H/W SETUP25) System Power LED Lead (3-1 pin PWR.LED)This 3-1 pin connector connects to the s

ASUS A7N266 User’s Manual 453. HARDWARE SETUP3. H/W SETUPPowering Up3.9 Starting Up the First Time1. After all connections are made, close the system

ASUS A7N266 User’s Manual463. HARDWARE SETUP3. H/W SETUPPowering Up7. During power-on, hold down <Delete> to enter BIOS setup. Follow theinstruc

ASUS A7N266 User’s Manual 474. BIOS SETUP4. BIOS SETUP4.1 Managing and Updating Your BIOS4.1.1 Upon First Use of the Computer SystemIt is recommended

ASUS A7N266 User’s Manual484. BIOS SETUP4. BIOS SETUP Updating BIOS5. Select 1. Save Current BIOS to File from the Main menu and press<Enter>. T

ASUS A7N266 User’s Manual 494. BIOS SETUP4. BIOS SETUP4.1.2 Updating BIOS Procedures1. Download an updated ASUS BIOS file from the Internet (WWW orFTP

ASUS A7N266 User’s Manual 5CONTENTS4.3 Main Menu ... 544.3.1 Primary &am

ASUS A7N266 User’s Manual504. BIOS SETUP4. BIOS SETUP Updating BIOS7. The utility starts to program the new BIOS information into the FlashROM. The bo

ASUS A7N266 User’s Manual 514. BIOS SETUP4. BIOS SETUP4.2 BIOS Setup ProgramThis motherboard supports a programmable EEPROM that you can update usingt

ASUS A7N266 User’s Manual524. BIOS SETUP4. BIOS SETUP4.2.1 BIOS Menu BarThe top of the screen has a menu bar with the following selections:MAIN Use th

ASUS A7N266 User’s Manual 534. BIOS SETUP4. BIOS SETUPGeneral HelpIn addition to the Item Specific Help window, the BIOS setup program also providesa

ASUS A7N266 User’s Manual544. BIOS SETUP4. BIOS SETUPSystem Time [XX:XX:XX]Sets the system to the time that you specify (usually the current time). Th

ASUS A7N266 User’s Manual 554. BIOS SETUP4. BIOS SETUPType [Auto]Select [Auto] to automatically detect an IDE hard disk drive. If automaticdetection i

ASUS A7N266 User’s Manual564. BIOS SETUP4. BIOS SETUP Master/Slave Drives[User Type HDD]Manually enter the number of cylinders, heads and sectors per

ASUS A7N266 User’s Manual 574. BIOS SETUP4. BIOS SETUP Master/Slave DrivesCHS CapacityThis field shows the drive’s maximum CHS capacity as calculated

ASUS A7N266 User’s Manual584. BIOS SETUP4. BIOS SETUP Keyboard FeaturesBoot Up NumLock Status [On]This field enables users to activate the Number Lock

ASUS A7N266 User’s Manual 594. BIOS SETUP4. BIOS SETUP Main MenuLanguage [English]This field displays the BIOS language version.Supervisor Password [D

ASUS A7N266 User’s Manual6FCC & DOC COMPLIANCEFederal Communications Commission StatementThis device complies with FCC Rules Part 15. Operation is

ASUS A7N266 User’s Manual604. BIOS SETUP4. BIOS SETUP4.4 Advanced MenuCPU Frequency Multiple [9.5x]This field is for unlocked processors only and will

ASUS A7N266 User’s Manual 614. BIOS SETUP4. BIOS SETUPAdvanced MenuCPU/Memory Frequency Ratio [Auto]This field determines whether the memory clock fre

ASUS A7N266 User’s Manual624. BIOS SETUP4. BIOS SETUPWarning Messages1. Cause for Hangup: Checksum Error Warning“The CMOS checksum is incorrect. Ple

ASUS A7N266 User’s Manual 634. BIOS SETUP4. BIOS SETUPChip ConfigurationSDRAM Configuration [By SPD]This sets the optimal timing. The default setting

ASUS A7N266 User’s Manual644. BIOS SETUP4. BIOS SETUPChip ConfigurationInternal Graphic Over-clocking [Disable]This feature permits the grapical proce

ASUS A7N266 User’s Manual 654. BIOS SETUP4. BIOS SETUPI/O ConfigurationOnboard FDC Swap A & B [No Swap]This field allows you to reverse the hardwa

ASUS A7N266 User’s Manual664. BIOS SETUP4. BIOS SETUPI/O Device ConfigParallel Port Mode [ECP+EPP]This field allows you to set the operation mode of t

ASUS A7N266 User’s Manual 674. BIOS SETUP4. BIOS SETUPPCI ConfigurationSlot 1/5, Slot 2, Slot 3, Slot 4 IRQ [Auto]These fields automatically assign th

ASUS A7N266 User’s Manual684. BIOS SETUP4. BIOS SETUP PCI ConfigurationPCI DMA Resource ExclusionDMA x Reserved for Legacy Drive [No/ICU]These fields

ASUS A7N266 User’s Manual 694. BIOS SETUP4. BIOS SETUPShadow Configuration4.4.4 Shadow ConfigurationVideo ROM BIOS Shadow [Enabled]This field allows y

ASUS A7N266 User’s Manual 71.1 How This Manual Is OrganizedThis manual is divided into the following sections:1. INTRODUCTION Manual information and c

ASUS A7N266 User’s Manual704. BIOS SETUP4. BIOS SETUP Power Menu4.5 Power MenuThe Power menu allows you to reduce power consumption. This feature turn

ASUS A7N266 User’s Manual 714. BIOS SETUP4. BIOS SETUPPower Up ControlPWR Button < 4 Secs [Soft Off]When set to [Soft off], the ATX switch can be u

ASUS A7N266 User’s Manual724. BIOS SETUP4. BIOS SETUPHardware Monitor4.5.2 Hardware MonitorMB Temperature [xxxC/xxxF]CPU Temperature [xxxC/xxxF]POWER

ASUS A7N266 User’s Manual 734. BIOS SETUP4. BIOS SETUPBoot MenuBoot SequenceThe Boot menu allows you to select among the four possible types of bootde

ASUS A7N266 User’s Manual744. BIOS SETUP4. BIOS SETUPBoot MenuBoot Virus Detection [Enabled]This field allows you to set boot virus detection, ensurin

ASUS A7N266 User’s Manual 754. BIOS SETUP4. BIOS SETUPExit Menu4.7 Exit MenuWhen you have made all of your selections from the various menus in theSet

ASUS A7N266 User’s Manual764. BIOS SETUP4. BIOS SETUP Exit MenuLoad Setup DefaultsThis option allows you to load the default values for each of the pa

77ASUS A7N266 User’s Manual5. S/W SETUP5. SOFTWARE SETUP5.1 Install Operating SystemYou should always use the latest operating system and updates wh

785. SOFTWARE SETUPASUS A7N266 User’s Manual5. S/W SETUP5.3 A7N266 Series Motherboard Support CDNOTE: The support CD contents are subject to change

795. SOFTWARE SETUPASUS A7N266 User’s Manual5. S/W SETUP• Adobe Acrobat Reader Vx.xx: Installs the Adobe Acrobat Reader softwarenecessary to view us

8ASUS A7N266 User’s Manual2.1 ASUS A7N266 MotherboardThe ASUS A7N266 motherboard is a high-performance motherboard powered byAMD® Athlon™/Duron™ proce

805. SOFTWARE SETUPASUS A7N266 User’s Manual5. S/W SETUP5.3.3 Manual Installation of Drivers for Windows 98Use the Device Manager to uninstall all p

815. SOFTWARE SETUPASUS A7N266 User’s Manual5. S/W SETUPITEM 3: PCI Standard Ram Controller1. Go to the Device Manager2. Select PCI standard RAM

826. SOFTWARE REFERENCEASUS A7N266 User’s Manual6. S/W REFERENCEASUS Update6.1 ASUS Live UpdateASUS LiveUpdate is a utility that allows you to updat

ASUS A7N266 User’s Manual 836. SOFTWARE REFERENCE6. S/W REFERENCEPC Probe6.2 ASUS PC ProbeASUS PC Probe is a convenient utility to continuously monit

ASUS A7N266 User’s Manual846. SOFTWARE REFERENCE6. S/W REFERENCEPC ProbePC Probe6.2.2 Using ASUS PC ProbeMonitoringMonitor SummaryShows a summary of

ASUS A7N266 User’s Manual 856. SOFTWARE REFERENCE6. S/W REFERENCEPC ProbeInformationSettingsLets you set threshold levels and pollingintervals or ref

ASUS A7N266 User’s Manual866. SOFTWARE REFERENCE6. S/W REFERENCEDevice SummaryShows a summary of devices in your PC.DMI ExplorerShows information pert

ASUS A7N266 User’s Manual 876. SOFTWARE REFERENCE6. S/W REFERENCE6.2.3 ASUS PC Probe Task Bar IconWhen the ASUS PC Probe sensesa problem with your PC,

ASUS A7N266 User’s Manual886. SOFTWARE REFERENCE6. S/W REFERENCE6.3.2 The C-Media Audio Demo Program1. The Audio Demo program offers an easy way to te

ASUS A7N266 User’s Manual 896. SOFTWARE REFERENCE6. S/W REFERENCE2. The PCI Multi-Channel Audio Demo has several Demos to help finetune your PC speake

ASUS A7N266 User’s Manual 92. FEATURES2. FEATURESSpecifications2.1.2 Connections• CPU socket: Socket A (462) for Athlon XP™ / Athlon™ / Duron™ proce

ASUS A7N266 User’s Manual906. SOFTWARE REFERENCE6. S/W REFERENCE3Deep Color6.4 3Deep Color TunerThe 3-Deep color tuner is designed to match your CRT o

ASUS A7N266 User’s Manual 916. SOFTWARE REFERENCE6. S/W REFERENCE4. Select the color squares which mostclosely blend and match with thebackground.5.

ASUS A7N266 User’s Manual926. SOFTWARE REFERENCE6. S/W REFERENCE6.5 CyberLink PowerPlayer SECyberLink PowerPlayer SE is an intelligent software player

ASUS A7N266 User’s Manual 936. SOFTWARE REFERENCE6. S/W REFERENCE6.6 CyberLink VideoLive MailCyberLink’s VideoLive Mail Plus Ver 3.0 (a.k.a. VLM 3) is

ASUS A7N266 User’s Manual946. SOFTWARE REFERENCE6. S/W REFERENCE6.6.2 CyberLink VideoLive Mail User Interface6.6.1 Starting VideoLive MailTo start Vid

ASUS A7N266 User’s Manual 957 . APPENDIXGlossary7. APPENDIX7.1 Glossary13941394 is the IEEE designation for a high performance serial bus tht offers d

ASUS A7N266 User’s Manual967. APPENDIX7. APPENDIXGlossaryBootBoot means to start the computer operating system by loading it into system memory. Whent

ASUS A7N266 User’s Manual 977 . APPENDIXGlossary7. APPENDIXIDE (Integrated Drive Electronics)IDE devices integrate the drive control circuitry directl

ASUS A7N266 User’s Manual987. APPENDIX7. APPENDIXGlossaryPS/2 PortPS/2 ports are based on IBM Micro Channel Architecture. This type of architecture tr

ASUS A7N266 User’s Manual 997. APPENDIX7. APPENDIXModem Riser7.2 Modem Riser7.2.1 56K Software ModemThe Modem Riser (MR) is a high-speed PCcommunicati