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Asus P4B266-M User Manual
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Asus P4B266-M User Manual

Asus P4B266-M User Manual

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  • Page 1 ® P4B266-M 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 Overview ................
  • Page 4 Contents 2.6.4 AGP slot ............... 2-15 2.6.5 CNR slot ............... 2-16 2.7 Switches and jumpers ............2-17 2.7.1 Switch settings ............2-17 2.8 Connectors ............... 2-19 Chapter 3: Powering up ............3-1 3.1 Starting up for the first time ..........3-1 3.3 Powering off the computer ...........
  • Page 5 Contents 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 Glossary ................G-1 Index ..................I-1...

  • 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

    About this guide This user guide contains the information you need when installing the ASUS P4B266-M motherboard. How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B266-M 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-M motherboard. It includes brief explanations of the special attributes of the motherboard and the new technology it supports. Product introduction...
  • Page 12 ASUS P4B266-M motherboard...

  • Page 13: Welcome

    Thank you for buying the ASUS P4B266-M motherboard! ® The ASUS P4B266-M motherboard delivers a host of new features and latest technology making it another standout in the long line of ASUS quality motherboards! The P4B266-M incorporates the Intel Pentium 4 Processor in 478-pin ®...

  • Page 14: Onboard Lan

    Special features Latest processor technology The P4B266-M motherboard supports the latest Intel Pentium 4 478/ Northwood Processor, also known as P4, via a 478-pin surface mount ZIF socket. The Pentium 4 processor utilizes the advanced 0.18 micron processor core in FC-PGA2 package for a 2.0GHz frequency, while the Northwood processor uses the 0.13 micron processor core with 512KB L2 cache for up to a speedy 2.4GHz frequency.

  • Page 15: Overview

    A brief description of each component follows. Refer to Chapter 2 for detailed information on these components. 1.4.1 Identifying the motherboard components Proceed to the succeeding pages for a brief description of each component. ASUS P4B266-M motherboard user guide...
  • Page 16 CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket called mPGA478 B. This socket accommodates the Intel ® Pentium 4 478/Northwood Processor with 400MHz system bus. ® North bridge controller. This controller called the Intel Memory Controller Hub (MCH) is one of the two major components of the Intel 845D (Brookdale) chipset.
  • Page 17 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, power management routing, among others.
  • Page 18 Line In jack. This Line In (light blue) jack connects a tape player or other audio sources. (on audio models only) Line Out jack. This Line Out (lime) jack connects a headphone or a speaker. (on audio models only) Game/MIDI connector. This connector supports a joystick or a game pad for playing games, and MIDI devices for playing or editing audio files.

  • Page 19: 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 20 ASUS P4B266-M motherboard...

  • Page 21: Motherboard Installation

    Place eight (8) screws into the holes indicated by circles to secure the motherboard to the chassis. Do not overtighten the screws! Doing so may damage the motherboard. Place this side towards the rear of the chassis ASUS P4B266-M motherboard user guide...

  • Page 22: Motherboard Layout

    Firmware (ICH2) P4B266-M CR2032 3V Lithium Cell CMOS Power PCI2 MODEM LED1 CD_IN PCI3 ASUS WARNING Mozart Audio USB1102 Codec CNR_SLOT CLRTC(R200A) AUD_EN1 PANEL The audio and LAN features are optional and are grayed out in the above motherboard layout.

  • Page 23: 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. LED1 Standby Powered Power ® WARNING P4B266-M Incorrect Correct P4B266-M Onboard LED AGP Card AGP Card ASUS P4B266-M motherboard user guide...

  • Page 24: 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 25: 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-M motherboard user guide...
  • Page 26 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 27: 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-M motherboard user guide...
  • Page 28 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 29: Connecting The Cpu Fan Cable

    When secure, the retention locks should point to opposite directions. 2.4.4 Connecting the CPU fan cable When the fan, heatsink, and the retention mechanism are in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU Fan Connector (CPU_FAN) ASUS P4B266-M motherboard user guide...

  • Page 30: System Memory

    System memory 2.5.1 Overview The motherboard comes with two Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets. These sockets support up to 2GB system memory using 184-pin unbuffered ECC or non-ECC PC2100/1600 DIMMs. 80 Pins ® 104 Pins P4B266-M P4B266-M 184-Pin DDR DIMM Sockets A DDR DIMM is keyed with a notch so that it fits in only one direction.

  • Page 31: 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-M motherboard user guide 2-11...

  • Page 32: 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 33 Chapter 3 This chapter describes the power up sequence and gives information on the BIOS beep codes. Powering up...
  • Page 34 ASUS P4B266-M motherboard...

  • Page 35: Starting Up For The First Time

    High frequency beeps when CPU overheated; system is working System running at a lower frequency 7. At power on, hold down <Delete> to enter BIOS Setup. Follow the instructions in Chapter 4. ASUS P4B266-M motherboard user guide...

  • Page 36: 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 37: 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 38 ASUS P4B266-M motherboard...

  • Page 39: 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-M motherboard user guide...
  • Page 40 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 41: 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 42 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 43: 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-M motherboard user guide...

  • Page 44: 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 45: 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-M motherboard user guide...

  • Page 46: 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 47: 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-M motherboard user guide...
  • Page 48 [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 49 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-M motherboard user guide 4-11...
  • Page 50 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 51: 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-M motherboard user guide 4-13...

  • Page 52: 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 53: Advanced Menu

    CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you to choose from the default of [Enabled] or choose [Disabled] to turn on or off the CPU Level 1 and Level 2 built-in cache. Configuration options: [Disabled] [Enabled] ASUS P4B266-M motherboard user guide 4-15...
  • Page 54 BIOS Update [Enabled] This field functions as an update loader integrated into the BIOS to supply the processor with the required data. When set to [Enabled], the BIOS loads the update on all processors during system bootup. Configuration options: [Disabled] [Enabled] PS/2 Mouse Function Control [Auto] The default setting [Auto] allows the system to detect a PS/2 mouse at startup.

  • Page 55: Chip Configuration

    SDRAM RAS to CAS Delay [3T] This item controls the latency between the SDRAM active command and the read/write command. The SDRAM RAS to CAS Delay parameter appears only when you set the SDRAM Configuration to [User Defined]. ASUS P4B266-M motherboard user guide 4-17...
  • Page 56 SDRAM RAS Precharge Delay [3T] This item controls the idle clocks after issuing a precharge command to the SDRAM. The SDRAM RAS Precharge Delay parameter appears only when you set the SDRAM Configuration to [User Defined]. SDRAM Active Precharge Delay [6T] This item controls the number of SDRAM clocks used for SDRAM parameters.

  • Page 57: I/O Device Configuration

    Onboard Serial Port 2 [2F8H/IRQ3] These fields allow you to set the addresses for the onboard serial connectors. Serial Port 1 and Serial Port 2 must have different addresses. Configuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/ IRQ10] [Disabled] ASUS P4B266-M motherboard user guide 4-19...
  • Page 58 UART2 Use Standard Infrared [Disabled] This field allows you to select the device on which to assign UART2. Configuration options: [Disabled] [Enabled] Onboard Parallel Port [378H/IRQ7] 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.

  • Page 59: Pci Configuration

    [Both] if you want to connect USB devices. Configuration options: [Disabled] [Both] Primary VGA BIOS [PCI VGA Card] This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [AGP VGA Card] ASUS P4B266-M motherboard user guide 4-21...

  • Page 60: Onboard Pci Devices Control

    Onboard LAN Boot ROM [Disabled] This field allows you to enable or disable the option ROM on the onboard LAN chipset. Configuration options: [Disabled] [Enabled] 4.4.3.1 Onboard PCI Devices Control Onboard LAN This parameter allows you to enable or disable the onboard LAN controller.

  • Page 61: Pci Irq Resource Exclusion

    IRQ is NOT required by a legacy card. Set the IRQ field to [Yes] if you install a legacy card that requires a unique IRQ and you are NOT using ICU. Configuration options: [No/ICU] [Yes] ASUS P4B266-M motherboard user guide 4-23...

  • Page 62: Power Menu

    Power Menu The Power menu allows you to reduce power consumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity. Power Management [User Defined] This field allows you to activate or deactivate the automatic power saving features.
  • Page 63 4 seconds puts the system in sleep mode. Regardless of the setting, holding the ATX switch for more than 4 seconds powers off the system. Configuration options: [Soft off] [Suspend] ASUS P4B266-M motherboard user guide 4-25...

  • Page 64: Power Up Control

    4.5.1 Power Up Control AC PWR Loss Restart [Disabled] This allows you to set whether or not to reboot the system after power interruptions. [Disabled] leaves your system off while [Enabled] reboots the system. [Previous State] sets the system back to the state it was before the power interruption.
  • Page 65 The Automatic Power Up feature does not work if the system is powered down by an operating system, such Windows 98, that has Advanced Configuration and Power Interface (ACPI) support enabled. Refer to the Glossary for a description of ACPI specification. ASUS P4B266-M motherboard user guide 4-27...

  • Page 66: Hardware Monitor

    4.5.2 Hardware Monitor CPU Temperature [xxxC/xxxF] The onboard hardware monitor automatically detects the MB (motherboard) and CPU temperatures. CPU Fan Speed [xxxxRPM] System Fan Speed The onboard hardware monitor automatically detects the CPU and chassis fan speeds in rotations per minute (RPM). VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators.

  • Page 67: Boot Menu

    This field allows you to select which ATAPI CD-ROM drive to use in the boot sequence. Pressing [Enter] will show the product IDs of all your connected ATAPI CD-ROM drives. Other Boot Device Select [INT18 Device (Network)] Configuration options: [Disabled] [SCSI Boot Device] [INT18 Device (Network)] ASUS P4B266-M motherboard user guide 4-29...
  • Page 68 Plug & Play O/S [No] This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. When [Yes] is selected, interrupts may be reassigned by the OS. If you installed a non- PnP OS or if you want to prevent reassigning of interrupt settings, keep the default setting [No].

  • Page 69: 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-M motherboard user guide 4-31...

  • Page 70: 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 71: Chapter 5: Software Support

    Chapter 5 This chapter describes the contents of the support CD that comes with the motherboard package. Software support...
  • Page 72 ASUS P4B266-M motherboard...

  • Page 73: 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 74: 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 75: 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 76: Intel Ldcm Client Setup

    This item installs the Adobe Acrobat Reader V5.0. The Acrobat Reader software is for viewing files saved in Portable Document Format (PDF). ASUS Screen Saver This item installs the ASUS screen saver. PC-cillin This item installs the PC-cillin 2000 V7.61 anti-virus software. View the PC-cillin online help for detailed information.

  • Page 77: Drivers Menu

    Install the INF Driver before installing the Intel Application Accelerator. This item installs the RealTek 8100 PCI Fast Ethernet driver. Audio This item installs the AC’97 audio CODEC driver. ASUS P4B266-M motherboard user guide...

  • Page 78: 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 79: Other Information

    The pictures in this section are for reference only and may not exactly reflect the details you see on your screen. Motherboard Info The window displays the general specifications of the P4B266-M motherboard. Browse this CD The window displays the support CD contents in graphical format. ASUS P4B266-M motherboard user guide...
  • Page 80 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 81: 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 82 4. From the FTP site, select the BIOS version that you wish to download. Click Next. 5. Follow the instructions on the succeeding screens to complete the update process. If you selected the option to update the BIOS from a file, a window pops up prompting you to locate the file.

  • Page 83: Glossary

    Glossary This part lists the technical terms that you may encounter when reading this document.
  • Page 84 ASUS P4B266-M motherboard...
  • Page 85 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-M motherboard user guide...
  • Page 86 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 87: Expansion Slots

    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-M motherboard user guide...
  • Page 88 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 89 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-M motherboard user guide...
  • Page 90 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 91: Index

    Index This part contains an alphabetical list of the topics found in this document.
  • Page 92 ASUS P4B266-M motherboard...
  • Page 93 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 94 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 95 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-M motherboard user guide...
  • Page 96 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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