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Asus P4B266 User Manual
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Asus P4B266 User Manual

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  • Page 1 ® P4B266 User Guide...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.

  • Page 3: Table Of Contents

    How this guide is organized ..........viii Conventions used in this guide ..........ix Where to find more information ..........ix ASUS contact information ..............x Chapter 1: Product introduction ......... 1-1 1.1 Welcome! ................1-1 1.2 Package contents ............... 1-1 1.3 Special features ..............
  • Page 4 Contents 2.6.1 Installing an expansion card ........2-13 2.6.2 Configuring an expansion card ......2-13 2.6.3 PCI slots ............... 2-15 2.6.4 AGP slot ............... 2-15 2.6.5 CNR slot ............... 2-16 2.7 Switches and jumpers ............2-17 2.8 Connectors ............... 2-25 Chapter 3: Powering up ............
  • Page 5 5.2.3 Software menu ............5-3 5.2.4 Drivers menu ............5-5 5.2.5 DOS Utilities menu ..........5-6 5.2.6 ASUS Contact Information ........5-6 5.2.7 Other information ............ 5-7 5.3 Software information ............5-9 5.3.1 ASUS Update ............5-9 5.3.2 ASUS MyLogo™ ..........5-10 5.3.3...

  • Page 6: Fcc/Cdc Statements

    FCC/CDC statements Federal Communications Commission Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation.

  • Page 7: Safety Information

    Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected.

  • Page 8: About This Guide

    How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B266 motherboard. It includes brief descriptions of the special attributes of the motherboard and the new technology it supports. •...

  • Page 9: Conventions Used In This Guide

    1. ASUS Websites The ASUS websites worldwide provide updated information on ASUS hardware and software products. The ASUS websites are listed in the ASUS Contact Information on page x. 2. Optional Documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.

  • Page 10: Asus Contact Information

    Desktop/Server (Tel): +886-2-2890-7123 (English) Support Fax: +886-2-2890-7698 Support Email: tsd@asus.com.tw Web Site: www.asus.com.tw Newsgroup: cscnews.asus.com.tw ASUS COMPUTER INTERNATIONAL (America) Address: 6737 Mowry Avenue, Mowry Business Center, Building 2, Newark, CA 94560, USA General Fax: +1-510-608-4555 General Email: tmd1@asus.com Technical Support...

  • Page 11: Chapter 1: Product Introduction

    Chapter 1 This chapter describes the features of the P4B266 motherboard. It includes brief explanations of the special attributes of the motherboard and the new technology it supports. Product introduction...
  • Page 12 ASUS P4B266 motherboard...

  • Page 13: Welcome

    CNR slot, high-speed data transfers using the ATA100 protocol, and enhanced PCI audio features, the P4B266 is your perfect vehicle to get ahead in the world of power computing! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.

  • Page 14: Special Features

    USB 2.0 is backward compatible with USB 1.1. See page 2-30. ASUS POST Reporter™ P4B266 offers a new exciting feature called the ASUS POST Reporter™ to provide friendly voice messages and alerts during the Power-On Self- Tests (POST). Through the system’s internal speaker, or an added external speaker, you will hear the messages informing you of the system boot status and causes of boot errors, if any.

  • Page 15: Value-Added Solutions

    ASUS EZ Plug™ This patented ASUS technology lets you use your existing power supply rather than buying a new ATX 12V power supply. The ASUS EZ Plug™ is a 4-pin auxillary +12V connector mounted on the motherboard that connects a regular 4-pin device power connector from the power supply.

  • Page 16: Overview

    1.4.1 Motherboard components The following are the major components of the P4B266 motherboard as pointed out in the picture on page 1-5. ATX 12V connector 23.
  • Page 17 ASUS P4B266 motherboard user guide...
  • Page 18 AGP slot. When this LED is lit, there is no way you can turn on the system power even if you press the power button. ASUS EZ Plug™ Auxilliary +12V connector. This ASUS patented auxilliary power connector is used if you don’t have an ATX +12V power supply.
  • Page 19 ICH2 integrates I/O functions such as system bus interface, Ultra ATA/100, Low Pin Count (LPC) interface, Universal Serial Bus (USB) 1.1 interface, PCI interface, and CNR interface. ASUS ASIC. This chip performs multiple system functions that include hardware and system voltage monitoring, IRQ routing, among others.
  • Page 20 PCI slots. These six 32-bit PCI 2.2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB/s maximum throughput. LAN PHY. This Intel 82562ET LAN PHY works with the integrated MAC in the South Bridge (ICH2) to fully support 10BASE-T/ 100BASE-TX Ethernet networking.

  • Page 21: Chapter 2: Hardware Information

    Chapter 2 This chapter describes the hardware setup procedures that you have to perform when installing system components. It includes details on the switches, jumpers, and connectors on the motherboard. Hardware information...
  • Page 22 ASUS P4B266 motherboard...

  • Page 23: Motherboard Installation

    Motherboard installation Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. The P4B266 uses the ATX form factor that measures 12 inches x 9.4 inches, a standard fit for most chassis.

  • Page 24: Motherboard Layout

    LINE_IN PCI2 Super CR2032 3V Lithium Cell PCI3 CMOS Power BCS1 CLRTC(R197) BCS2 LO_L IAPANEL ASUS SMART PCI4 LO_R ASIC with P4B266 Hardware Monitor Speech SPEECH Controller PCI5 CHASSIS CH_FAN SMARTCARD LED1 HDDLED USB20_EN USB20_34 PCI6 SPDIF_C USBPWR23 AFPANEL USB2.0...

  • Page 25: Before You Proceed

    1.5V AGP slot, this LED lights up thus preventing the system to power up. This LED remains off if you plug in a 1.5V AGP card. WARNING ® Incorrect Correct AGP Card AGP Card P4B266 LED1 Standby Powered P4B266 Onboard LED Power ASUS P4B266 motherboard user guide...

  • Page 26: Central Processing Unit (Cpu)

    Central Processing Unit (CPU) 2.4.1 Overview The motherboard comes with a surface mount 478-pin Zero Insertion Force (ZIF) socket. This socket is specifically designed for the Intel ® Pentium 4 478/Northwood Processor. ® The Intel Pentium 4 Processor in the 478-pin package uses the Flip-Chip Pin Grid Array 2 (FC-PGA2) package technology, and includes the Intel ®...

  • Page 27: Installing The Cpu

    2. Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Socket Lever 90 - 100 Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely. ASUS P4B266 motherboard user guide...
  • Page 28 3. Position the CPU above the socket such that its marked corner matches the base of the socket lever. 4. Carefully insert the CPU into the socket until it fits in place. The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU! Gold Mark 5.

  • Page 29: Installing The Heatsink And Fan

    Your boxed Intel Pentium 4 478/Northwood Processor package should come with installation instructions for the CPU, heatsink, and the retention mechanism. If the instructions in this section do not match the CPU documentation, follow the latter. ASUS P4B266 motherboard user guide...
  • Page 30 2. Position the fan with the retention mechanism on top of the heatsink. Align and snap the four hooks of the retention mechanism to the holes on each corner of the module base. Make sure that the fan and retention mechanism assembly perfectly fits the heatsink and module base, otherwise you cannot snap the hooks into the holes.

  • Page 31: Connecting The Cpu Fan Cable

    CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU Fan Connector (CPU_FAN) Don’t forget to connect the CPU fan connector! Hardware monitoring errors may occur if you fail to plug this connector. ASUS P4B266 motherboard user guide...

  • Page 32: System Memory

    ® 104 Pins P4B266 P4B266 184-Pin DDR DIMM Sockets A DDR DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM. The DDR SDRAM technology evolved from the mainstream PC66, PC100, PC133 memory known as Single Data Rate (SDR) SDRAM.

  • Page 33: Memory Configurations

    1. Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. Unlocked Retaining Clip ASUS P4B266 motherboard user guide 2-11...

  • Page 34: Removing A Dimm

    3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated. Locked Retaining Clip 2.5.4 Removing a DIMM Follow these steps to remove a DIMM. 1. Simultaneously press the retaining clips outward to unlock the DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips.

  • Page 35: Expansion Slots

    1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 4 for information on BIOS setup. 2. Assign an IRQ to the card. Refer to the tables on the next page. 3. Install the software drivers for the expansion card. ASUS P4B266 motherboard user guide 2-13...

  • Page 36: Standard Interrupt Assignments

    Standard Interrupt Assignments Priority Standard Function System Timer Keyboard Controller Programmable Interrupt Communications Port (COM2) Communications Port (COM1) Sound Card (sometimes LPT2) Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock ACPI Mode when used IRQ Holder for PCI Steering IRQ Holder for PCI Steering PS/2 Compatible Mouse Port Numeric Data Processor...

  • Page 37: Pci Slots

    LED is lighted, you cannot turn on the system power even if you press the power button, thus preventing permanent damage to the motherboard. Install only 1.5V AGP cards on this motherboard! ® P4B266 Keyed for 1.5V P4B266 Accelerated Graphics Port (AGP) ASUS P4B266 motherboard user guide 2-15...

  • Page 38: Cnr Slot

    Also, the CNR slot does not take up the motherboard space for one PCI slot because it is a shared slot; rather, it provides you more options. ® P4B266 P4B266 Communication & Networking Riser Slot 2-16 Chapter 2: Hardware information...

  • Page 39: Switches And Jumpers

    BIOS setup instead of using the DIP switches. SWITCH ® P4B266 Jumper Mode Jumper Free (Default) P4B266 JumperFree™ Mode Setting The JEN jumper is set in conjunction with the DIP switches. In JumperFree mode, set all the DIP switches to OFF. ASUS P4B266 motherboard user guide 2-17...
  • Page 40 2. CPU Core:Bus frequency multiple (SWITCH Switches 1-4) This option sets the frequency multiple between the CPU internal and external frequencies. This must be set in conjunction with the CPU Bus Frequency. ® P4B266 P4B266 CPU Frequency Multiple Selection SWITCH 8.0x 10.0x 11.0x 12.0x...
  • Page 41 External Frequency Selection 120MHz 125MHz 133MHz 60MHz 62MHz 66MHz 30MHz 31MHz 33MHz Set the CPU frequency only to the recommended settings. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable. ASUS P4B266 motherboard user guide 2-19...
  • Page 42 BIOS (see section 4.5.1 Power Up Control). KBPWR ® +5VSB (Default) P4B266 P4B266 Keyboard Power Setting 5. DDR voltage (4-pin DDR_OV) This jumper allows you to select the voltage supplied to the system memory by changing the jumper setting. DISABLE = 2.5V STAGE1 = 2.6V...
  • Page 43 ® P4B266 +5VSB (Default) P4B266 USB Device Wake Up The USB device wake-up feature is supported only by USB 1.1 devices. USB 2.0 devices cannot wake up the system from S1, S3, S4, and S5 sleep modes. ASUS P4B266 motherboard user guide...
  • Page 44 7. Speaker selector (3-pin SPEECH) This jumper allows you to select the speaker you wish to use for the ASUS POST Reporter™ function. Set to pins 1-2 to use the internal speaker (usually included in the chassis). Set to pins 2-3 if you connected an external speaker to the Line Out jack (lime color) on the rear panel.
  • Page 45 BLOR P4B266 FLOR P4B266 Internal Line Out Connectors 10. Bass/Center setting (3-pin BCS1, BCS2) (on audio models only) These jumpers allow you to select the speaker output for a 6-channel audio system. No audio standard exists for the three pick-up surfaces...
  • Page 46 6. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data. CR2032 3V Lithium Cell CMOS Power ® CLRTC(R197) Short solder points P4B266 to Clear CMOS P4B266 Clear RTC RAM 2-24 Chapter 2: Hardware information...

  • Page 47: Connectors

    IDE connector cause this LED to light up. ® TIP: If the case-mounted LED does not light, try reversing the 2-pin plug. P4B266 HDDLED P4B266 HDD Activity LED ASUS P4B266 motherboard user guide 2-25...
  • Page 48 NOTE: Orient the red markings (usually zigzag) on the IDE P4B266 ribbon cable to PIN 1. P4B266 IDE Connectors PIN 1 For UltraDMA/100/66 IDE devices, use an 80-conductor IDE cable. The UltraDMA/66 cable included in the motherboard package also supports UltraDMA/100.
  • Page 49 PIN 1. ® P4B266 P4B266 Floppy Disk Drive Connector 4. Chassis open alarm lead (4-1 pin CHASSIS) This lead is for a chassis designed with intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch.
  • Page 50 Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors! CPU_FAN PWRFAN ® P4B266 CH_FAN P4B266 12-Volt Fan Connectors 2-28 Chapter 2: Hardware information...
  • Page 51 CPU. If you are using a standard ATX power supply that does not have the ATX +12V plug, connect one 4-pin device power plug to the ASUS EZ Plug™ connector labeled EZ_PLUG. Make sure that your ATX 12V power supply can provide 8A on the +12V lead and at least 1A on the +5-volt standby lead (+5VSB).
  • Page 52 These headers support the next generation USB peripherals such as high resolution cameras, scanners, and printers. USB20_12 USB20_34 ® P4B266 P4B266 USB 2.0 Headers The USB 2.0 headers, controller chipset, and jumper are optional. 2-30 Chapter 2: Hardware information...
  • Page 53 AUX (White) Left Audio Channel Ground Ground Right Audio Channel CD(Black) Right Audio Channel Ground Ground Left Audio Channel ® MODEM Modem-Out P4B266 Ground Ground Modem-In P4B266 Internal Audio Connectors ASUS P4B266 motherboard user guide 2-31...
  • Page 54 Intel front panel audio cable. Refer to page 2-23 for the location of the jumpers. IAPANEL BLINE_OUT_L Line out_L ® BLINE_OUT_R Line out_R +5VA MICPWR AGND MIC2 P4B266 P4B266 Front Panel Audio Connector 2-32 Chapter 2: Hardware information...
  • Page 55 This connector allows you to connect an optional ASUS iPanel, an easy-to-access drive bay with front I/O ports and status LEDs. If you are not using an ASUS iPanel, you can connect an optional wireless transmitting and receiving infrared module to the SIR connector.
  • Page 56 MS, and the SD/MS reader are optional items and may be purchased separately. ® SDB1 MSDA1 SDB2 MSDA2 SDB3 SDA3 SDB4 SDA4 SDB5 SDA5 P4B266 SDBCLK SDACLK SDBPWCTL# SDAPWCTL# SDBLED SDALED P4B266 SD MS Connectors 2-34 Chapter 2: Hardware information...
  • Page 57 P4B266 Infrared Module Connector 17. Power supply thermal connector (2-pin TRPWR) If your power supply has a thermal monitoring feature, connect its thermal sensor cable to this connector. ® P4B266 P4B266 Power Supply Thermal Connector ASUS P4B266 motherboard user guide 2-35...
  • Page 58 Message LED ATX Power SMI Lead Switch* P4B266 System Panel Connectors Requires an ATX power supply. • System Power LED Lead (3-1 pin PLED) This 3-1 pin connector connects to the system power LED. The LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
  • Page 59 Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF. • Reset Switch Lead (2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting the system without turning off the system power. ASUS P4B266 motherboard user guide 2-37...
  • Page 60 2-38 Chapter 2: Hardware information...

  • Page 61: Chapter 3: Powering Up

    Chapter 3 This chapter describes the power up sequence and gives information on the BIOS beep codes. Powering up...
  • Page 62 ASUS P4B266 motherboard...

  • Page 63: Starting Up For The First Time

    System running at a lower frequency You will not hear the BIOS beeps when the ASUS POST Reporter™ is enabled. You will hear the vocal POST messages instead. 7. At power on, hold down <Delete> to enter BIOS Setup. Follow the instructions in Chapter 4.

  • Page 64: Vocal Post Messages

    Vocal POST Messages This motherboard includes the Winbond speech controller to support a special feature called the ASUS POST Reporter™. This feature gives you vocal POST messages and alerts to inform you of system events and boot status. In case of a boot failure, you will hear the specific cause of the problem.
  • Page 65 System completed Power-On Self Test • No action required Computer now booting from operating • No action required system You may disable the ASUS POST Reporter™ in the BIOS setup. See section “4.4.2 I/O Device Configuration”. ASUS P4B266 motherboard user guide...

  • Page 66: Powering Off The Computer

    Powering off the computer You must first exit the operating system and shut down the system before switching off the power. For ATX power supplies, you can press the ATX power switch after exiting or shutting down the operating system. If you use Windows 95/98/2000/XP, click the Start button, click Shut Down, then click the OK button to shut down the computer.

  • Page 67: Chapter 4: Bios Setup

    Chapter 4 This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. BIOS setup...
  • Page 68 ASUS P4B266 motherboard...

  • Page 69: Managing And Updating Your Bios

    4. In DOS mode, type A:\AFLASH <Enter> to run AFLASH. If the word “unknown” appears after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be programmed by the Flash Memory Writer utility. ASUS P4B266 motherboard user guide...
  • Page 70 5. Select 1. Save Current BIOS to File from the Main menu and press <Enter>. The Save Current BIOS To File screen appears. 6. Type a filename and the path, for example, A:\XXX-XX.XXX, then press <Enter>. Chapter 4: BIOS Setup...

  • Page 71: Updating Bios Procedures

    BIOS revision will solve your problems. Careless updating may result to more problems with the motherboard! 1. Download an updated ASUS BIOS file from the Internet (WWW or FTP) (see ASUS CONTACT INFORMATION on page x for details) and save to the boot floppy disk you created earlier.
  • Page 72 If the Flash Memory Writer utility is not able to successfully update a complete BIOS file, the system may not boot. If this happens, call the ASUS service center for support. Chapter 4: BIOS Setup...

  • Page 73: Bios Setup Program

    Because the BIOS software is constantly being updated, the following BIOS setup screens and descriptions are for reference purposes only, and may not exactly match what you see on your screen. ASUS P4B266 motherboard user guide...

  • Page 74: Bios Menu Bar

    4.2.1 BIOS menu bar The top of the screen has a menu bar with the following selections: MAIN Use this menu to make changes to the basic system configuration. ADVANCED Use this menu to enable and make changes to the advanced features.

  • Page 75: General Help

    While moving around through the Setup program, note that explanations appear in the Item Specific Help window located to the right of each menu. This window displays the help text for the currently highlighted field. ASUS P4B266 motherboard user guide...

  • Page 76: Main Menu

    Main Menu When you enter the Setup program, the following screen appears. System Time [XX:XX:XX] Sets the system to the time that you specify (usually the current time). The format is hour, minute, second. Valid values for hour, minute and second are Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59).

  • Page 77: Primary And Secondary Master/Slave

    Before attempting to configure a hard disk drive, make sure you have the correct configuration information supplied by the drive manufacturer. Incorrect settings may cause the system to fail to recognize the installed hard disk. ASUS P4B266 motherboard user guide...
  • Page 78 [User Type HDD] Manually enter the number of cylinders, heads and sectors per track for the drive. Refer to the drive documentation or on the drive label for this information. After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to partition and format new IDE hard disk drives.
  • Page 79 To make changes to this field, set the Type field to [User Type HDD]. Configuration options: [Disabled] [2 Sectors] [4 Sectors] [8 Sectors] [16 Sectors] [32 Sectors] [Maximum] ASUS P4B266 motherboard user guide 4-11...
  • Page 80 SMART Monitoring [Disabled] This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) system that utilizes internal hard disk drive monitoring technology. This parameter is normally disabled because the resources used in the SMART monitoring feature may decrease system performance.

  • Page 81: Keyboard Features

    [6/Sec] [8/Sec] [10/Sec] [12/Sec] [15/Sec] [20/Sec] [24/Sec] [30/Sec] Keyboard Auto-Repeat Delay [1/4 Sec] This field sets the time interval for displaying the first and second characters. Configuration options: [1/4 Sec] [1/2 Sec] [3/4 Sec] [1 Sec] ASUS P4B266 motherboard user guide 4-13...

  • Page 82: Forgot The Password

    Main menu items continued... Language [English] This field displays the BIOS language version. Supervisor Password [Disabled] / User Password [Disabled] These fields allow you to set passwords. To set a password, highlight the appropriate field and press <Enter>. Type in a password then press <Enter>.

  • Page 83: Advanced Menu

    This field determines whether the memory clock frequency is set to be in synchronous or asynchronous mode with respect to the system frequency. The options that appear in the popup menu vary according to the CPU Frequency (MHz). Configuration options: [Auto] [1:1] [3:4] ASUS P4B266 motherboard user guide 4-15...
  • Page 84 CPU VCore Setting [Auto] The [Manual] setting allows you to manually select the core voltage supplied to the CPU (see next item). However, it is recommended that you keep the default setting [Auto] to allow the system to automatically determine the appropriate CPU core voltage. CPU VCore [1.750V] (for Willamette) , [1.500V] (for Northwood) When the CPU VCore Setting parameter above is set to [Manual], the CPU VCore item allows you to select a specific CPU core voltage.
  • Page 85 South Bridge controller to the system memory, CNR slot, and other system devices. Configuration options: [Mux] [Hub] Keep the default setting [Mux] for system stability! Setting to [Hub] does not guarantee better system performance. ASUS P4B266 motherboard user guide 4-17...

  • Page 86: Chip Configuration

    4.4.1 Chip Configuration SDRAM Configuration [By SPD] This parameter allows you to set the optimal timings for items 2–5, depending on the memory modules that you are using. The default setting is [By SPD], which configures items 2–5 by reading the contents in the SPD (Serial Presence Detect) device.
  • Page 87 [4X Mode] even if you are using an AGP 1X video card. When set to [1X Mode], the AGP interface only provides a peak data throughput of 266MB/s even if you are using an AGP 4x card. Configuration options: [1X Mode] [4X Mode] ASUS P4B266 motherboard user guide 4-19...
  • Page 88 Video Memory Cache Mode [UC] USWC (uncacheable, speculative write combining) is a new cache technology for the video memory of the processor. It can greatly improve the display speed by caching the display data. You must set this to UC (uncacheable) if your display card does not support this feature, otherwise the system may not boot.

  • Page 89: I/O Device Configuration

    This field sets the address of the onboard parallel port connector. If you disable this field, the Parallel Port Mode and ECP DMA Select configurations are not available. Configuration options: [Disabled] [378H/ IRQ7] [278H/IRQ5] ASUS P4B266 motherboard user guide 4-21...
  • Page 90 [Disabled]. Configuration options: [Disabled] [Auto] Speech POST Reporter [Enabled] This field enables or disables the ASUS POST Reporter™ feature. See section “1.4 Special Features” and “3.2 Vocal POST messages” for more information. Configuration options: [Disabled] [Enabled]...

  • Page 91: Pci Configuration

    This motherboard supports Universal Serial Bus (USB) devices. Keep the default setting [Enabled] if you want to connect USB devices. Select [Disabled] if you do not wish to use the USB feature. Configuration options: [Disabled] [Enabled] ASUS P4B266 motherboard user guide 4-23...

  • Page 92: Pci Irq Resource Exclusion

    Primary VGA BIOS [PCI VGA Card] This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [AGP VGA Card] Onboard LAN Boot ROM [Disabled] This field allows you to enable or disable the option ROM in the onboard LAN chipset.

  • Page 93: Power Menu

    Windows with the APM feature. In Windows 98 or later, APM is automatically installed as indicated by a battery and power cord icon labeled “Power Management” in the Control Panel. Select the item “Advanced” in the Power Management Properties dialog box. ASUS P4B266 motherboard user guide 4-25...
  • Page 94 Video Off Option [Suspend -> Off ] This field determines when to activate the video off feature for monitor power management. Configuration options: [Always On] [Suspend -> Off] Video Off Method [DPMS OFF] This field defines the video off features. The Display Power Management System (DPMS) feature allows the BIOS to control the video display card if it supports the DPMS feature.

  • Page 95: Power Up Control

    When set to [Enabled], this parameter allows you to turn on the system through a PCI LAN or modem card. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Enabled] ASUS P4B266 motherboard user guide 4-27...
  • Page 96 Power On By PS/2 Keyboard [Space Bar] This parameter allows you to use specific keys on the keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Space Bar] [Ctrl-Esc] [Power Key] Power On By PS/2 Mouse [Disabled] When set to [Enabled], this parameter allows you to use the PS/2 mouse...

  • Page 97: Hardware Monitor

    If any of the monitored items is out of range, the following error message appears: “Hardware Monitor found an error. Enter Power setup menu for details”. You will then be prompted to “Press F1 to continue or DEL to enter SETUP”. ASUS P4B266 motherboard user guide 4-29...

  • Page 98: Boot Menu

    Boot Menu Boot Sequence The Boot menu allows you to select among the four possible types of boot devices listed using the up and down arrow keys. By using the <+> or <Space> key, you can promote devices and by using the <-> key, you can demote devices.
  • Page 99 This allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled] Make sure that the above item is set to [Enabled] if you wish to use the ASUS MyLogo™ feature. ASUS P4B266 motherboard user guide 4-31...
  • Page 100 Interrupt Mode [APIC] The Advanced Programmable Interrupt Controller (APIC) setting allows you to distribute interrupt routings other than the 16 IRQs. The Programmable Interrupt Controller (PIC) setting allows you to use the 16 IRQs only. Configuration options: [PIC] [APIC] 4-32 Chapter 4: BIOS Setup...

  • Page 101: Exit Menu

    Select this option only if you do not want to save the changes that you made to the Setup program. If you made changes to fields other than system date, system time, and password, the BIOS asks for a confirmation before exiting. ASUS P4B266 motherboard user guide 4-33...

  • Page 102: Discard Changes

    Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press <F5>, a confirmation window appears. Select [Yes] to load default values.

  • Page 103: Chapter 5: Software Support

    Chapter 5 This chapter describes the contents of the support CD that comes with the motherboard package. Software support...
  • Page 104 ASUS P4B266 motherboard...

  • Page 105: Install An Operating System

    The contents of the support CD are subject to change at any time without notice. Visit the ASUS website for updates. 5.2.1 Running the support CD To begin using the support CD, simply insert the CD into your CD-ROM drive.

  • Page 106: Main Menu

    If the welcome screen did not appear automatically, locate and double- click on the file ASSETUP.EXE from the BIN folder in the support CD to display the menus. 5.2.2 Main menu From the welcome screen, the program takes you directly to the main menu.

  • Page 107: Software Menu

    ASUS Update This program allows you to download the latest version of the BIOS from the ASUS website. Before using the ASUS Update, make sure that you have an Internet connection so you can connect to the ASUS website. Intel LDCM Administrator Setup ®...

  • Page 108: Cyberlink Video And Audio Applications

    Winbond Voice Editor This program is for recording and customizing wave files for the ASUS POST Reporter™. Use this program if you wish to change the default vocal POST messages. See section “3.2 Vocal POST messages” for a list of the default messages.

  • Page 109: Drivers Menu

    This item installs the Intel Application Accelerator for Microsoft Windows ® ® 98/98SE/ME/NT4.0/2000. This program is designed to improve performance of the storage sub-system and overall system performace. Install the INF Driver before installing the Intel Application Accelerator. ASUS P4B266 motherboard user guide...

  • Page 110: Dos Utilities Menu

    The DOS utilities menu includes items that you can run in DOS mode. These items are also present in the software menu. 5.2.6 ASUS Contact Information Clicking the ASUS Contact Information button displays as stated. You may also find this information on page x of this user guide. Chapter 5: Software support...

  • Page 111: Other Information

    CD. This section shows the pop-up windows that appear when you click the icons. Motherboard Info The window displays the general specifications of the P4B266 motherboard. Browse this CD The window displays the support CD contents in graphical format.
  • Page 112 Technical Support Form The window displays the ASUS Technical Support Request Form that you have to fill up when requesting technical support. Readme The window displays the contents of the support CD and a brief description of each in text format.

  • Page 113: Software Information

    This section provides details on the new software applications that the motherboard supports. 5.3.1 ASUS Update The ASUS Update is a utility that allows you to update the motherboard BIOS and drivers. This utility requires an Internet connection either through a network or an Internet Service Provider (ISP).

  • Page 114: Asus Mylogo

    5.3.2 ASUS MyLogo™ The ASUS MyLogo™ is automatically installed when you install the ASUS Update utility from the software menu. See section “5.2.3 Software menu”. Before using ASUS MyLogo™ feature, use the AFLASH utility to make a copy of your original BIOS file, or obtain the latest BIOS version from the ASUS website.
  • Page 115 MyLogo directly from the Windows Start menu to change your BIOS boot logo. After you have modified the BIOS file with the new logo, use the ASUS Update utility to upload the new BIOS into the EEPROM. ASUS P4B266 motherboard user guide...

  • Page 116: Personalized Boot Logo

    5.3.3 Personalized Boot Logo Also included in the support CD is a DOS version of ASUS MyLogo. Locate the application called LOGO.EXE and a sample image library of boot screens in bitmap (BMP) format to install this feature. Back up your system BIOS to a bootable floppy disk before using LOGO.EXE to modify your boot screen.

  • Page 117: Winbond Voice Editor

    Playing the default wave files To play the default wave files, simply click on a POST event on the left side of the screen, then click the Play button. The default language setting is English. ASUS P4B266 motherboard user guide 5-13...
  • Page 118 Changing the default language 1. Click on the Load button. a window showing the available languages appears. 2. Select your desired language then click Open. The event messages for the language you selected appear on the Voice Editor screen. For some languages, not all events have a corresponding message due to file size constraints.
  • Page 119 5. From the Voice Editor screen, click on the Add button to display the Add Wave File window. 6. Copy the wave files that you recorded to the database. Close the window when done. ASUS P4B266 motherboard user guide 5-15...
  • Page 120 7. Click a POST event on the Voice Editor screen, then on the Edit button. The Event Sound Editor window appears. 8. Locate and select your wave file for the event then click on the arrow opposite Voice1. The file you selected appears on the space next to it.

  • Page 121: Multi-Channel Audio Feature

    Advanced the Mixer to display the Speaker, Volume, Sound Effects, and Options menus. Make sure that the BCS1/BCS2 jumpers are set correctly before using the 6-channel audio feature. See page 2-23 for the settings. ASUS P4B266 motherboard user guide 5-17...
  • Page 122 Running the C-Media Audio Demo Program The C-Media audio demo program allows you to test and fine tune your speaker system. To launch the the multi-channel audio demo program, click on from your desktop, then Start select PCI Audio Applications/ Multi-Channel Audio Demo From the demo program interface, click on...

  • Page 123: Glossary

    Glossary This part lists the technical terms that you may encounter when reading this document.
  • Page 124 ASUS P4B266 motherboard...
  • Page 125 Backup. A copy of a file, directory, or volume on a separate storage device from the original. This copy is for the purpose of data retrieval in case the original is accidentally erased, damaged, or destroyed. ASUS P4B266 motherboard user guide...
  • Page 126 BIOS (Basic Input/Output System). BIOS is a set of routines that control how the computer transfers data between computer components, such as memory, disks, and the display adapter. The BIOS instructions are built into the computer’s read-only memory. BIOS parameters are configurable through the BIOS Setup program.
  • Page 127 I/O (Input/Output). The data transfers from the input devices like a keyboard, mouse, or scanner, to the output devices like a printer or the monitor screen. I/O Address. The specific memory location for a particular device. Two devices cannot share the same I/O address space. ASUS P4B266 motherboard user guide...
  • Page 128 IrDA (Infrared Data Association). An internaltional organization that creates and promotes inter-operable, low cost, infrared data interconnection standards that support a walk-up, point-to-point model. The IrDA protocol is designed to support transmission of data between two devices over short-range point-to-point infrared at speeds between 9.6Kbps and 4Mbps.
  • Page 129 The Serial Presence Detect function is implemented using a 2048 bit EEPROM component. This nonvolatile storage device contains data programmed by the DIMM manufacturer that identifies the module type and various SDRAM organization and timing parameters. ASUS P4B266 motherboard user guide...
  • Page 130 System Disk. A system disk contains the core file of an operating system and is used to boot up the operating system. TCP/IP (Transmission Control Protocol/Internet Protocol). The communications protocol used by the UNIX system and the Internet. TCP checks for lost packets, puts the data from multiple packets into the correct order, and requests that missing or damaged packets be resent.

  • Page 131: Index

    Index This part contains an alphabetical list of the topics found in this document.
  • Page 132 ASUS P4B266 motherboard...
  • Page 133 Communications and Networking ATAPI CD-ROM 4-30 Riser 1-7, 2-16 Audio controller 1-7 Connectors Automatic Power Up 4- 29 ASUS EZ Plug™ 1-3, 1-6, 2-29 ASUS iPanel 2-33 ATX 12V 1-6 BIOS ATX power 1-6, 2-29 Advanced Menu 4-15 chassis alarm 2-27...
  • Page 134 DDR SDRAM technology 2-10 Interrupt Assignments 2-14 Digital audio interfaces IRQ assignments 2-14 S/PDIF 1-3 DIMM installing 2-11 JumperFree mode 2-17 removing 2-12 Jumpers DIMM sockets 1-6 Bass/Center setting 2-23 DIP switches 1-7, 2-17 DDR voltage 2-20 Double Data Rate (DDR) keyboard power 2-20 memory 1- 2 Line Out selector 2-23...
  • Page 135 North Bridge 1-6 RJ-45 port 1-8 South Bridge 1-6 RTC RAM System Date 4-8 clearing 2-24 System memory configurations 2-11 System Time 4-8 SCSI BIOS 4-22 SDRAM Active Precharge Delay 4-19 CAS Latency 4-18 Configuration 4-18 ASUS P4B266 motherboard user guide...
  • Page 136 UART2 4-23 Ultra DMA Mode 4-12 Universal Serial Bus (USB) 2.0 1-2 USB Legacy Support 4-17 USB ports 1-8 USWC 4-20 Video Memory 4-20 ZIF socket 2-4 Index...

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