Asus P4B266 User Manual

Motherboard®P4B266User Guide

xASUS contact informationASUSTeK COMPUTER INC. (Asia-Pacific)Address: 150 Li-Te Road, Peitou, Taipei, Taiwan 112General Tel: +886-2-2894-3447General F

4-32Chapter 4: BIOS SetupInterrupt Mode [APIC]The Advanced Programmable Interrupt Controller (APIC) setting allowsyou to distribute interrupt routings

ASUS P4B266 motherboard user guide4-334.7 Exit MenuWhen you have made all of your selections from the various menus in theSetup program, save your cha

4-34Chapter 4: BIOS SetupLoad Setup DefaultsThis option allows you to load the default values for each of theparameters on the Setup menus. When you s

Chapter 5Software supportThis chapter describes the contents of thesupport CD that comes with themotherboard package.

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guide5-15.1 Install an operating systemThis motherboard supports Windows 98/ME/NT/2000/XP and OS/2operating system (OS).

5-2Chapter 5: Software support5.2.2 Main menuFrom the welcome screen, the program takes you directly to the mainmenu. The main menu displays an image

ASUS P4B266 motherboard user guide5-35.2.3 Software menuThe software menu shows the applications and other software that themotherboard supports. The

5-4Chapter 5: Software supportASUS BIOS Flash UtilityThis utility allows you to remotely flash the Client PC’s BIOS when usedwith the Intel LDCM Admin

ASUS P4B266 motherboard user guide5-55.2.4 Drivers menuThe drivers menu shows the available device drivers if the system detectsinstalled devices. Ins

Chapter 1This chapter describes the features of theP4B266 motherboard. It includes briefexplanations of the special attributes of themotherboard and

5-6Chapter 5: Software supportWinbond Memory Stick Storage Device DriverThis item installs the Memory Stick (MS) device driver. The device driverallow

ASUS P4B266 motherboard user guide5-75.2.7 Other informationThe icons on the left side of the screen give additional information on themotherboard and

5-8Chapter 5: Software supportTechnical Support FormThe window displays the ASUS Technical Support Request Form that youhave to fill up when requestin

ASUS P4B266 motherboard user guide5-95.3 Software informationMost of the applications in the support CD have wizards that willconveniently guide you t

5-10Chapter 5: Software support4. From the FTP site, select theBIOS version that you wish todownload. Click Next.5. Follow the instructions on thesucc

ASUS P4B266 motherboard user guide5-114. From the selection that appears,choose a logo image. Click Next.NOTE: If you wish, you maycreate your own boo

5-12Chapter 5: Software support5.3.3 Personalized Boot LogoAlso included in the support CD is a DOS version of ASUS MyLogo.Locate the application call

ASUS P4B266 motherboard user guide5-135.3.4 Winbond Voice EditorThe Winbond Voice Editor software allows you to customize the vocalPOST messages. Inst

5-14Chapter 5: Software supportChanging the default language1. Click on the Load button. awindow showing the availablelanguages appears.2. Select your

ASUS P4B266 motherboard user guide5-15You may want to create a separate folder for your wave files so youcan locate them easily in one place.Customizi

ASUS P4B266 motherboard

5-16Chapter 5: Software supportIf you receive an error message telling you that the files exceed the totalallowable size, do one or all of the followi

ASUS P4B266 motherboard user guide5-175.3.5 Multi-Channel Audio FeatureThe C-Media PCI Audio Driver and Applications are included in theSupport CD tha

5-18Chapter 5: Software supportRunning the C-Media Audio Demo ProgramThe C-Media audio demoprogram allows you to test andfine tune your speaker system

GlossaryThis part lists the technical terms that youmay encounter when reading thisdocument.

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guideG-1AC’97 (Audio Codec '97). AC '97 is the next step in enabling PCs withaudio quality comparable to consum

G-2Appendix C: GlossaryBIOS (Basic Input/Output System). BIOS is a set of routines that controlhow the computer transfers data between computer compon

ASUS P4B266 motherboard user guideG-3Device Driver. A software routine that links a peripheral device to theoperating system. It acts as a translator

G-4Appendix C: GlossaryIrDA (Infrared Data Association). An internaltional organization thatcreates and promotes inter-operable, low cost, infrared da

ASUS P4B266 motherboard user guideG-5POST (Power On Self Test). When you turn ON the computer, it will firstrun through the POST, a series of software

ASUS P4B266 motherboard user guide1-11.1 Welcome!Thank you for buying the ASUS® P4B266 motherboard!The ASUS P4B266 motherboard delivers a host of new

G-6Appendix C: GlossarySystem Disk. A system disk contains the core file of an operating systemand is used to boot up the operating system.TCP/IP (Tra

IndexThis part contains an alphabetical list of thetopics found in this document.

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guideI-1AAccelerated Graphics Port 2-15Acrobat Reader 5-4ASUS ASIC 1-7ASUS EZ Plug™ 1-3, 1-6ASUS iPanel 1-3, 2-30ASU

I-2IndexDDDR SDRAM technology 2-10Digital audio interfacesS/PDIF 1-3DIMMinstalling 2-11removing 2-12DIMM sockets 1-6DIP switches 1-7, 2-17Double

ASUS P4B266 motherboard user guideI-3OOnboard LED 2-3Operating systeminstallation 5-1Overclocking features 1-3PParallel Port 1-8, 4-21Modes 4-21P

I-4IndexUUART2 4-23Ultra DMA Mode 4-12Universal Serial Bus (USB) 2.0 1-2USB Legacy Support 4-17USB ports 1-8USWC 4-20VVideo Memory 4-20ZZIF soc

1-2Chapter 1: Product introduction1.3 Special features1.3.1 Product highlightsLatest processor technologyThe P4B266 motherboard supports the latest In

ASUS P4B266 motherboard user guide1-3ASUS EZ Plug™This patented ASUS technology lets you use your existing power supplyrather than buying a new ATX 12

1-4Chapter 1: Product introduction1.4 OverviewBefore you install the P4B266 motherboard, familiarize yourself with itsphysical configuration and avail

ASUS P4B266 motherboard user guide1-523 42214111820191125 615132110987161723 24 25 2627282932 31 30

1-6Chapter 1: Product introductionATX 12V connector. This power connector connects the 4-pin 12Vplug from the ATX 12V power supply.CPU socket. A 478-p

ASUS P4B266 motherboard user guide1-7Super I/O controller. This Low Pin Count (LPC) interface providesthe commonly used Super I/O functionality. The c

iiChecklistCopyright © 2001 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software described in it, may

1-8Chapter 1: Product introductionPCI slots. These six 32-bit PCI 2.2 expansion slots support busmaster PCI cards like SCSI or LAN cards with 133MB/s

Chapter 2Hardware informationThis chapter describes the hardware setupprocedures that you have to perform wheninstalling system components. It includ

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guide2-12.1 Motherboard installationBefore you install the motherboard, study the configuration of your chassisto ensure

2-2Chapter 2: Hardware information2.2 Motherboard layoutThe audio, USB 2.0, and LAN features are optional. Thesecomponents are grayed out in the abov

ASUS P4B266 motherboard user guide2-32.3 Before you proceedTake note of the following precautions before you install motherboardcomponents or change a

2-4Chapter 2: Hardware information2.4 Central Processing Unit (CPU)2.4.1 OverviewThe motherboard comes with a surface mount 478-pin Zero InsertionForc

ASUS P4B266 motherboard user guide2-52.4.2 Installing the CPUFollow these steps to install a CPU.1. Locate the 478-pin ZIF socket on the motherboard.2

2-6Chapter 2: Hardware information3. Position the CPU above the socket such that its marked cornermatches the base of the socket lever.4. Carefully in

ASUS P4B266 motherboard user guide2-72.4.3 Installing the heatsink and fanThe Intel® Pentium® 4 478/Northwood Processor requires a speciallydesigned h

iiiFeaturesContentsFCC/CDC statements ... viSafety information ...

2-8Chapter 2: Hardware information2. Position the fan with the retention mechanism on top of the heatsink.Align and snap the four hooks of the retenti

ASUS P4B266 motherboard user guide2-92.4.4 Connecting the CPU fan cableWhen the fan, heatsink, and the retention mechanism are in place,connect the CP

2-10Chapter 2: Hardware information2.5 System memory2.5.1 OverviewThe motherboard comes with three Double Data Rate (DDR) Dual InlineMemory Module (DI

ASUS P4B266 motherboard user guide2-112.5.2 Memory configurations2.5.3 Installing a DIMMMake sure to unplug the power supply before adding or removing

2-12Chapter 2: Hardware information2.5.4 Removing a DIMMFollow these steps to remove a DIMM.1. Simultaneously press the retaining clips outward to unl

ASUS P4B266 motherboard user guide2-132.6 Expansion slotsIn the future, you may need to install expansion cards. The motherboardhas six PCI slots, one

2-14Chapter 2: Hardware informationStandard Interrupt AssignmentsIRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 N/A Program

ASUS P4B266 motherboard user guide2-152.6.3 PCI slotsThere are six 32-bit PCI slots in this motherboard. The slots support PCIcards such as a LAN card

2-16Chapter 2: Hardware information2.6.5 CNR slotThe Communications and Networking Riser (CNR) slot supports interfacecards that integrates audio, mod

ASUS P4B266 motherboard user guide2-172.7 Switches and jumpersThe motherboard frequency is adjusted through the DIP switches. Thewhite block represent

ivSafeguardsContents2.6.1 Installing an expansion card... 2-132.6.2 Configuring an expansion card ...

2-18Chapter 2: Hardware information2. CPU Core:Bus frequency multiple (SWITCH Switches 1-4)This option sets the frequency multiple between the CPU int

ASUS P4B266 motherboard user guide2-193. CPU frequency selection (SWITCH Switches 5-9)This option tells the clock generator what frequency to send th

2-20Chapter 2: Hardware information4. Keyboard power (3-pin KBPWR)This jumper allows you to enable or disable the keyboard wake-upfeature. Set this ju

ASUS P4B266 motherboard user guide2-216. USB device wake-up (3-pin USBPWR01, USBPWR23)Set these jumpers to +5V to wake up the computer from S1 sleepmo

2-22Chapter 2: Hardware information8. VCORE over-voltage (3-pin OVER_VOLT)When enabled, this jumper allows a CPU Vcore setting range of+1.75V to +2.1V

ASUS P4B266 motherboard user guide2-2310. Bass/Center setting (3-pin BCS1, BCS2) (on audio models only)These jumpers allow you to select the speaker

2-24Chapter 2: Hardware information12. Clear RTC RAM (CLRTC)These solder points allow you to clear the Real Time Clock (RTC)RAM in CMOS. You can clea

ASUS P4B266 motherboard user guide2-252.8 ConnectorsThis section describes and illustrates the internal connectors on themotherboard.Some pins are use

2-26Chapter 2: Hardware information2. IDE connectors (40-1 pin PRIMARY IDE/SECONDARY IDE)This connector supports the provided UltraDMA/100/66 IDE hard

ASUS P4B266 motherboard user guide2-273. Floppy disk drive connector (34-1 pin FLOPPY)This connector supports the provided floppy drive ribbon cable.

vContentsChapter 5: Software support ... 5-15.1 Install an operating system ...

2-28Chapter 2: Hardware information5. CPU, Chassis, and Power Fan Connectors(3-pin CPU_FAN, PWRFAN, CH_FAN)The three fan connectors support cooling fa

ASUS P4B266 motherboard user guide2-296. ASUS EZ Plug™ and ATX power connectors(20-pin ATXPWR, 4-pin ATX+12V, 4-pin AUX+12V)These connectors connect t

2-30Chapter 2: Hardware information7. USB headers (10-1 pin USB11_23, USB20_12, USB20_34)If the USB port connectors on the rear panel are inadequate,

ASUS P4B266 motherboard user guide2-318. SMBus connector (6-1 pin SMB)This connector allows you to connect SMBus (System ManagementBus) devices. Devic

2-32Chapter 2: Hardware information10. Line in connector (5-pin LINE_IN) (optional)This connector is for a front panel Line In jack with a return pat

ASUS P4B266 motherboard user guide2-3312. ASUS iPanel connector (24-1 pin AFPANEL) (optional)This connector allows you to connect an optional ASUS iP

2-34Chapter 2: Hardware information15. SD and MS connectors (10-pin SD, MS)*These connectors support the sophisticated memory devices calledSecure Dig

ASUS P4B266 motherboard user guide2-3517. Power supply thermal connector (2-pin TRPWR)If your power supply has a thermal monitoring feature, connect i

2-36Chapter 2: Hardware information18. System panel connector (20-pin PANEL)This connector accommodates several system front panel functions.• System

ASUS P4B266 motherboard user guide2-37• ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN)This connector connects a switch that controls the syste

viFCC/CDC statementsFederal Communications Commission StatementThis device complies with FCC Rules Part 15. Operation is subject to thefollowing two c

2-38Chapter 2: Hardware information

Chapter 3Powering upThis chapter describes the power upsequence and gives information on theBIOS beep codes.

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guide3-13.1 Starting up for the first time1. After making all the connections, replace the system case cover.2. Be sure t

3-2Chapter 3: Powering up3.2 Vocal POST MessagesThis motherboard includes the Winbond speech controller to support aspecial feature called the ASUS PO

ASUS P4B266 motherboard user guide3-3No keyboard detected • Check your keyboard if properlyconnected to the purple PS/2connector on the rear panel.• S

3-4Chapter 3: Powering up3.3 Powering off the computerYou must first exit the operating system and shut down the system beforeswitching off the power.

Chapter 4BIOS setupThis chapter tells how to change systemsettings through the BIOS Setup menus.Detailed descriptions of the BIOSparameters are also

ASUS P4B266 motherboard

ASUS P4B266 motherboard user guide4-14.1 Managing and updating your BIOS4.1.1 Using the computer system for the first timeIt is recommended that you s

viiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable fromthe electrical outlet before relocating the

4-2Chapter 4: BIOS Setup5. Select 1. Save Current BIOS to File from the Main menu and press<Enter>. The Save Current BIOS To File screen appears

ASUS P4B266 motherboard user guide4-31. Download an updated ASUS BIOS file from the Internet (WWW orFTP) (see ASUS CONTACT INFORMATION on page x for d

4-4Chapter 4: BIOS Setup7. The utility starts to program the new BIOS information into the FlashROM. The boot block is updated automatically only when

ASUS P4B266 motherboard user guide4-54.2 BIOS Setup programThis motherboard supports a programmable EEPROM that you canupdate using the provided utili

4-6Chapter 4: BIOS Setup4.2.1 BIOS menu barThe top of the screen has a menu bar with the following selections:MAIN Use this menu to make changes to th

ASUS P4B266 motherboard user guide4-7General helpIn addition to the Item Specific Help window, the BIOS setup program alsoprovides a General Help scre

4-8Chapter 4: BIOS SetupSystem Time [XX:XX:XX]Sets the system to the time that you specify (usually the current time). Theformat is hour, minute, seco

ASUS P4B266 motherboard user guide4-94.3.1 Primary and Secondary Master/SlaveType [Auto]Select [Auto] to automatically detect an IDE hard disk drive.

4-10Chapter 4: BIOS SetupIf no drive is installed or if you are removing a drive and not replacing it,select [None].Other options for the Type field a

ASUS P4B266 motherboard user guide4-11Translation Method [LBA]Select the hard disk drive type in this field. When Logical Block Addressing(LBA) is en

viiiAbout this guideThis user guide contains the information you need when installing theASUS P4B266 motherboard.How this guide is organizedThis manua

4-12Chapter 4: BIOS SetupSMART Monitoring [Disabled]This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring,Analysis and Reporting

ASUS P4B266 motherboard user guide4-134.3.2 Keyboard FeaturesBoot Up NumLock Status [On]This field enables users to activate the Number Lock function

4-14Chapter 4: BIOS SetupLanguage [English]This field displays the BIOS language version.Supervisor Password [Disabled] / User Password [Disabled]Thes

ASUS P4B266 motherboard user guide4-154.4 Advanced MenuCPU Speed [Manual]When the motherboard is set to JumperFree™ mode, this field allows youto sele

4-16Chapter 4: BIOS SetupCPU VCore Setting [Auto]The [Manual] setting allows you to manually select the core voltagesupplied to the CPU (see next item

ASUS P4B266 motherboard user guide4-17BIOS Update [Enabled]This field functions as an update loader integrated into the BIOS to supplythe processor wi

4-18Chapter 4: BIOS Setup4.4.1 Chip ConfigurationThe DDR SDRAM CAS Latency parameter appears only when you setthe SDRAM Configuration to [User Defined

ASUS P4B266 motherboard user guide4-19SDRAM Idle Timer [Infinite]Configuration options: [Infinite] [0T] [8T] [16T] [64T]Optimization Mode [Normal]This

4-20Chapter 4: BIOS SetupVideo Memory Cache Mode [UC]USWC (uncacheable, speculative write combining) is a new cachetechnology for the video memory of

ASUS P4B266 motherboard user guide4-214.4.2 I/O Device ConfigurationFloppy Disk Access Control [R/W]When set to [Read Only], this parameter protects f

ixConventions used in this guideTo make sure that you perform certain tasks properly, take note of thefollowing symbols used throughout this manual.Wh

4-22Chapter 4: BIOS SetupParallel Port Mode [ECP+EPP]This field allows you to set the operation mode of the parallel port.[Normal] allows normal-speed

ASUS P4B266 motherboard user guide4-23Slot 1/5, Slot 2, Slot 3, Slot 4, Slot 6 IRQ [Auto]These fields automatically assign the IRQ for each PCI slot.

4-24Chapter 4: BIOS SetupIRQ XX Reserved [No/ICU]These fields indicate whether or not the displayed IRQ for each field isbeing used by a legacy (non-P

ASUS P4B266 motherboard user guide4-254.5 Power MenuThe Power menu allows you to reduce power consumption. This featureturns off the video display and

4-26Chapter 4: BIOS SetupVideo Off Option [Suspend -> Off ]This field determines when to activate the video off feature for monitorpower management

ASUS P4B266 motherboard user guide4-274.5.1 Power Up ControlAC PWR Loss Restart [Disabled]This allows you to set whether or not to reboot the system a

4-28Chapter 4: BIOS SetupPower On By PS/2 Keyboard [Space Bar]This parameter allows you to use specific keys on the keyboard to turn onthe system. Thi

ASUS P4B266 motherboard user guide4-294.5.2 Hardware MonitorMB Temperature [xxxC/xxxF]CPU Temperature [xxxC/xxxF]The onboard hardware monitor automati

4-30Chapter 4: BIOS SetupBoot SequenceThe Boot menu allows you to select among the four possible types of bootdevices listed using the up and down arr

ASUS P4B266 motherboard user guide4-31Other Boot Device Select [INT18 Device (Network)]Configuration options: [Disabled] [SCSI Boot Device] [INT18 Dev