Motherboard®P4B266-CUser Guide
xASUS contact informationASUSTeK COMPUTER INC. (Asia-Pacific)Address: 150 Li-Te Road, Peitou, Taipei, Taiwan 112General Tel: +886-2-2894-3447General F
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-C motherboard user guide5-35.2.3 Software menuThe software menu shows the applications and other software that themotherboard supports. Th
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-C motherboard user guide5-55.2.4 Drivers menuThe drivers menu shows the available device drivers if the system detectsinstalled devices. I
5-6Chapter 5: Software support5.2.6 ASUS Contact InformationClicking the ASUS Contact Information button displays as stated. You mayalso find this inf
ASUS P4B266-C motherboard user guide5-75.2.7 Other informationThe icons on the left side of the screen give additional information on themotherboard a
5-8Chapter 5: Software supportTechnical Support FormThe window displays the ASUS Technical Support Request Form that youhave to fill up when requestin
ASUS P4B266-C motherboard user guide5-95.3 Software informationMost of the applications in the support CD have wizards that willconveniently guide you
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-C motherboard user guide5-114. From the selection that appears,choose a logo image. Click Next.NOTE: If you wish, you maycreate your own b
Chapter 1This chapter describes the features of theP4B266-C motherboard. It includes briefexplanations of the special attributes of themotherboard an
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 cal
ASUS P4B266-C motherboard user guide5-135.3.4 Multi-Channel Audio FeatureThe C-Media PCI Audio Driver and Applications are included in theSupport CD t
5-14Chapter 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-C motherboard
ASUS P4B266-C motherboard user guideG-1AC’97 (Audio Codec '97). AC '97 is the next step in enabling PCs withaudio quality comparable to cons
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-C motherboard user guideG-3Device Driver. A software routine that links a peripheral device to theoperating system. It acts as a translato
G-4Appendix C: GlossaryIrDA (Infrared Data Association). An internaltional organization thatcreates and promotes inter-operable, low cost, infrared da
ASUS P4B266-C motherboard user guideG-5POST (Power On Self Test). When you turn ON the computer, it will firstrun through the POST, a series of softwa
ASUS P4B266-C motherboard
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-C motherboard
ASUS P4B266-C motherboard user guideI-1AAccelerated Graphics Port 2-15Acrobat Reader 5-4ASUS ASIC 1-7ASUS EZ Plug™ 1-3ASUS iPanel 1-7, 2-30ASUS M
I-2IndexExpansion slots 1-7, 2-13AGP 1-7PCI 1-7E-Color 3Deep 5-4FFlash EEPROM 1-7Floppy 3 Mode 4-8HHard Disk Drives (HDDs)CHS Capacity 4-11Cyli
ASUS P4B266-C motherboard user guideI-3PS/2 Mouse Port 1-7PS/2 MouseFunction Control 4-16RRetention Mechanism 2-8SSCSI BIOS 4-22SDRAMActive to Pre
I-4Index
ASUS P4B266-C motherboard user guide1-11.1 Welcome!Thank you for buying the ASUS® P4B266-C motherboard!The ASUS P4B266-C motherboard delivers a host o
1-2Chapter 1: Product introduction1.3 Special features1.3.1 Product highlightsLatest processor technologyThe P4B266-C motherboard supports the latest
ASUS P4B266-C motherboard user guide1-3ASUS MyLogo™This new feature present in the P4B266-C motherboard allows you topersonalize and add style to your
1-4Chapter 1: Product introduction1.4 OverviewBefore you install the P4B266-C motherboard, familiarize yourself with itsphysical configuration and ava
ASUS P4B266-C motherboard user guide1-523 41116171135 614109871215181920 21 22 2324252629 28 27
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-C motherboard user guide1-7South bridge controller. Referred to as the Intel I/O ControllerHub 2 (ICH2) of the Intel 845D chipset, this co
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 introductionRJ-45 port. This port allows connection to a Local Area Network(LAN) through a network hub. (on LAN models only)Par
Chapter 2Hardware informationThis chapter describes the hardware setupprocedures that you have to perform wheninstalling system components. It includ
ASUS P4B266-C motherboard
ASUS P4B266-C motherboard user guide2-12.1 Motherboard installationBefore you install the motherboard, study the configuration of your chassisto ensur
2-2Chapter 2: Hardware information2.2 Motherboard layoutThe audio and LAN features are optional. These components aregrayed out in the above motherboa
ASUS P4B266-C motherboard user guide2-32.3 Before you proceedTake note of the following precautions before you install motherboardcomponents or change
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-C 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
2-6Chapter 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-C motherboard user guide2-72.4.3 Installing the heatsink and fanThe Intel® Pentium® 4 478/Northwood Processor requires a speciallydesigned
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-C motherboard user guide2-92.4.4 Connecting the CPU fan cableWhen the fan, heatsink, and the retention mechanism are in place,connect the
2-10Chapter 2: Hardware information2.5 System memory2.5.1 OverviewThe motherboard comes with two Double Data Rate (DDR) Dual InlineMemory Module (DIMM
ASUS P4B266-C motherboard user guide2-112.5.2 Memory configurationsInstall DDR DIMMs in any of the following combinations.DIMM Location 184-pin DDR DI
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-C motherboard user guide2-132.6 Expansion slotsIn the future, you may need to install expansion cards. The motherboardhas six PCI slots an
2-14Chapter 2: Hardware information2.6.2 Configuring an expansion cardAfter physically installing the expansion card, configure the card byadjusting t
ASUS P4B266-C 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 ca
2-16Chapter 2: Hardware information2.7 Switches and jumpersThe motherboard frequency is adjusted through the DIP switches. Thewhite block represents t
ASUS P4B266-C motherboard user guide2-172. CPU Core:Bus frequency multiple (SWITCH Switches 1-4)This option sets the frequency multiple between the CP
ivSafeguardsContents2.6 Expansion slots ... 2-132.6.1 Installing an expansion card...
2-18Chapter 2: Hardware information3. CPU frequency selection (SWITCH Switches 5-9)This option tells the clock generator what frequency to send the C
ASUS P4B266-C motherboard user guide2-194. Keyboard power (3-pin KBPWR)This jumper allows you to enable or disable the keyboard wake-upfeature. Set th
2-20Chapter 2: Hardware information6. USB device wake-up (3-pin USBPWR01, USBPWR23)Set these jumpers to +5V to wake up the computer from S1 sleepmode
ASUS P4B266-C motherboard user guide2-217. VCORE over-voltage (3-pin OVER_VOLT)When enabled, this jumper allows a CPU Vcore setting range of+1.75V to
2-22Chapter 2: Hardware information9. Line out selector (2-pin LO_L, LO_R) (on audio models only)By default, these jumpers are shorted (jumper caps
ASUS P4B266-C motherboard user guide2-2311. Clear RTC RAM (2-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM inCMOS. You can
2-24Chapter 2: Hardware information2.8 ConnectorsThis section describes and illustrates the internal connectors on themotherboard.Some pins are used f
ASUS P4B266-C motherboard user guide2-252. IDE connectors (40-1 pin PRIMARY IDE/SECONDARY IDE)This connector supports the provided UltraDMA/100/66 IDE
2-26Chapter 2: Hardware information3. Floppy disk drive connector (34-1 pin FLOPPY)This connector supports the provided floppy drive ribbon cable. Aft
ASUS P4B266-C motherboard user guide2-275. CPU, Chassis, and Power Fan Connectors(3-pin CPU_FAN, CH_FAN, PWRFAN)The three fan connectors support cooli
vContentsChapter 5: Software support ... 5-15.1 Install an operating system ...
2-28Chapter 2: Hardware information7. ASUS EZ Plug™ and ATX power connectors (20-pin ATXPWR,4-pin ATX+12V, 4-pin AUX+12V)These connectors connect to a
ASUS P4B266-C motherboard user guide2-298. SMBus connector (6-1 pin SMB)This connector allows you to connect SMBus (System ManagementBus) devices. Dev
2-30Chapter 2: Hardware information10. Internal line in connector (5-pin LINE_IN) (on audio models only)This connector connects to an optional front
ASUS P4B266-C motherboard user guide2-3113. Digital audio connector (4-1 pin SPDIF_C) (on audio models only)This connector connects an optional S/PDI
2-32Chapter 2: Hardware information15. Power supply thermal connector (2-pin TRPWR)If your power supply has a thermal monitoring feature, connect itst
ASUS P4B266-C motherboard user guide2-3316. System panel connector (20-pin PANEL)This connector accommodates several system front panel functions.P4B2
2-34Chapter 2: Hardware information• ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN)This connector connects a switch that controls the system p
Chapter 3Powering upThis chapter describes the power upsequence and gives information on theBIOS beep codes.
ASUS P4B266-C motherboard
ASUS P4B266-C motherboard user guide3-13.1 Starting up for the first time1. After making all the connections, replace the system case cover.2. Be sure
viFCC/CDC statementsFederal Communications Commission StatementThis device complies with FCC Rules Part 15. Operation is subject to thefollowing two c
3-2Chapter 3: Powering up3.2 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-C motherboard
ASUS P4B266-C motherboard user guide4-14.1 Managing and updating your BIOS4.1.1 Using the computer system for the first timeIt is recommended that you
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-C motherboard user guide4-31. Download an updated ASUS BIOS file from the Internet (WWW orFTP) (see ASUS CONTACT INFORMATION on page x for
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-C motherboard user guide4-54.2 BIOS Setup programThis motherboard supports a programmable EEPROM that you canupdate using the provided uti
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-C motherboard user guide4-7General helpIn addition to the Item Specific Help window, the BIOS setup program alsoprovides a General Help sc
viiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable fromthe electrical outlet before relocating the
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-C 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-C motherboard user guide4-11Translation Method [LBA]Select the hard disk drive type in this field. When Logical Block Addressing(LBA) is
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-C motherboard user guide4-134.3.2 Keyboard FeaturesBoot Up NumLock Status [On]This field enables users to activate the Number Lock functio
4-14Chapter 4: BIOS SetupLanguage [English]This field displays the BIOS language version.Supervisor Password [Disabled] / User Password [Disabled]Thes
ASUS P4B266-C motherboard user guide4-154.4 Advanced MenuCPU Speed [Manual]When the motherboard is set to JumperFree™ mode, this field allows youto se
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-C motherboard user guide4-17PS/2 Mouse Function Control [Auto]The default setting [Auto] allows the system to detect a PS/2 mouse atstartu
viiiAbout this guideThis user guide contains the information you need when installing theASUS P4B266-C motherboard.How this guide is organizedThis man
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-C motherboard user guide4-19SDRAM Idle Timer [Infinite]Configuration options: [Infinite] [0T] [8T] [16T] [64T]Optimization Mode [Normal]Th
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-C motherboard user guide4-214.4.2 I/O Device ConfigurationFloppy Disk Access Control [R/W]When set to [Read Only], this parameter protects
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-C 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-C motherboard user guide4-254.5 Power MenuThe Power menu allows you to reduce power consumption. This featureturns off the video display a
4-26Chapter 4: BIOS SetupVideo Off Option [Suspend -> Off ]This field determines when to activate the video off feature for monitorpower management
ASUS P4B266-C 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
ixConventions used in this guideTo make sure that you perform certain tasks properly, take note of thefollowing symbols used throughout this manual.Wh
4-28Chapter 4: BIOS SetupPower Up On USB [Disabled]When set to [Enabled], this item allows you to power up the systemthrough a USB device activity. Th
ASUS P4B266-C motherboard user guide4-294.5.2 Hardware MonitorMB Temperature [xxxC/xxxF]CPU Temperature [xxxC/xxxF]POWER Temperature [Ignore]The onboa
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-C motherboard user guide4-31Other Boot Device Select [INT18 Device (Network)]Configuration options: [Disabled] [SCSI Boot Device] [INT18 D
4-32Chapter 4: BIOS SetupInterrupt Mode [APIC]The Advanced Programmable Interrupt Controller (APIC) setting allowsyou to distribute interrupt routings
ASUS P4B266-C motherboard user guide4-334.7 Exit MenuWhen you have made all of your selections from the various menus in theSetup program, save your c
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-C motherboard
ASUS P4B266-C motherboard user guide5-15.1 Install an operating systemThis motherboard supports Windows 98/ME/NT/2000/XP and OS/2operating system (OS)
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