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Asus P4B-LX, User Manual

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ASUS P4B-LX motherboard user guide

4-31

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. Select Exit Saving Changes or make other changes before saving
the values to the non-volatile RAM.

Discard Changes

This option allows you to discard the selections you made and restore the
previously saved values. After selecting this option, a confirmation
appears. Select [Yes] to discard any changes and load the previously
saved values.

Save Changes

This option saves your selections without exiting the Setup program. You
can then return to other menus and make further changes. After you select
this option, a confirmation window appears. Select [Yes] to save any
changes to the non-volatile RAM.

Summary of Contents for P4B-LX

Page 1: ...Motherboard P4B LX User Guide ...

Page 2: ...A PARTICULAR PURPOSE IN NO EVENT SHALL ASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSINESS AND THE LIKE EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT SPECI...

Page 3: ... Chapter 2 Hardware information 2 1 2 1 Motherboard installation 2 1 2 1 1 Placement direction 2 1 2 1 2 Screw holes 2 1 2 2 Motherboard layout 2 2 2 3 Before you proceed 2 3 2 4 Central Processing Unit CPU 2 4 2 4 1 Overview 2 4 2 4 2 Installing the CPU 2 5 2 4 3 Installing the heatsink and fan 2 7 2 4 4 Connecting the CPU fan cable 2 9 2 5 System memory 2 10 2 5 1 Overview 2 10 2 5 2 Memory conf...

Page 4: ...3 1 Primary Secondary Master Slave 4 9 4 3 2 Keyboard Features 4 13 4 4 Advanced Menu 4 15 4 4 1 Chip Configuration 4 17 4 4 2 I O Device Configuration 4 19 4 4 3 PCI Configuration 4 21 4 5 Power Menu 4 24 4 5 1 Power Up Control 4 26 4 5 2 Hardware Monitor 4 27 4 6 Boot Menu 4 28 4 7 Exit Menu 4 30 Chapter 5 Software support 5 1 5 1 Install an operating system 5 1 5 1 1 Windows 98 first time insta...

Page 5: ...v Contents 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: ... cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which t...

Page 7: ...your area If you are not sure about the voltage of the electrical outlet you are using contact your local power company If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer Operation safety Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package Before using the product ma...

Page 8: ...orm when installing system components It includes description of the switches jumpers and connectors on the motherboard Chapter 3 Powering up This chapter describes the power up sequence and gives information on the BIOS beep codes Chapter 4 BIOS setup This chapter tells how to change system settings through the BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided Chapte...

Page 9: ...are 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 These documents are not part of the standard package WARNING Information to prevent injury to yourself when trying to complete a task CAUTION Information to prevent damage...

Page 10: ...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 Support Fax 1 510 608 4555 Notebook Tel 1 877 918 ASUS 2787 Web Site www asus com Support Email tsd asus com ASUS COMPUTER GmbH Europe Address Harkortstr 25 40880 Ratingen BRD Germany General Fax 49 2102 442066 Genera...

Page 11: ...hapter 1 This chapter describes the features of the P4B LX motherboard It includes brief explanations of the special attributes of the motherboard and the new technology it supports Product introduction ...

Page 12: ...ASUS P4B LX motherboard ...

Page 13: ...4X slot high speed data transfers using the ATA100 protocol IEEE1394 features LAN interface and AC 97 compliant audio features the P4B LX 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 1 2 Package contents Check your P4B LX package for the following items...

Page 14: ...ions will also help you avoid mistakes that may damage the board and its components This section presents the motherboard components and points out their specific locations A brief description of each component follows Refer to Chapter 2 for detailed information on these components 1 3 1 Identifying the motherboard components Proceed to the succeeding pages for a brief description of each componen...

Page 15: ...he chipset incorporates Fan Speed Control Monitor FSCM event wake up feature floppy disk controller keyboard mouse controller a parallel port two enhanced serial ports one with infrared support watchdog timer and a MIDI interface compatible with MPU 401 UART mode ATX power connector This 20 pin connector connects to an ATX 12V power supply The power supply must have at least 1A on the 5V standby l...

Page 16: ...vices to deliver high quality audio to PC connected speakers headphones and microphones The codec includes analog to digital and digital to analog sample rate converters as power amplifiers and programmable gain blocks PCI slots These three 32 bit PCI 2 2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB s maximum throughput LAN controller This RealTek 8100 PCI LAN con...

Page 17: ...ng USB devices such as a mouse and PDA RJ 45 port This port allows connection to a Local Area Network LAN through a network hub PS 2 keyboard port This purple 6 pin connector is for a PS 2 keyboard PS 2 mouse port This green 6 pin connector is for a PS 2 mouse 21 22 23 25 26 Figure 1 2 Pre installed Heatsink Retention Module Base This motherboard is shipped with the heatsink retention module base ...

Page 18: ...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 The P4 offers optimized performance for audio video and Internet applications Onboard LAN The motherboard incorporates the RealTek 8100 LAN chip to support 10BASE T 100BASE TX Fast Ethernet networking Digital audio interface On audio models an optical Sony Ph...

Page 19: ... Hardware information 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 ...

Page 20: ...ASUS P4B LX motherboard ...

Page 21: ...herboard placement and screw holes 2 1 1 Placement direction When installing the motherboard make sure that you place it into the chassis in the correct orientation The edge with external ports goes to the rear part of the chassis Refer to the image below 2 1 2 Screw holes Place eight 8 screws into the holes indicated by circles to secure the motherboard to the chassis Make sure to unplug the powe...

Page 22: ...ontroller Hub ICH2 P4B LX Accelerated Graphics Port AGP CR2032 3V Lithium Cell CMOS Power ATX Power Connector 2Mbit Firmware Hub Multi I O Intel 845 Memory Controller Hub MCH AUX_CON CPU_FAN CHASIS_FAN USB23 CLR_CMOS CD_IN BUZZER 1 1 1 1394HEAD3 1394HEAD2 DIMM Socket 1 64 72 bit 168 pin module 0 1 DIMM Socket 2 64 72 bit 168 pin module 2 3 ATX12V PARALLEL PORT 1394_CON SPDIF LED1 Socket 478 PCI1 P...

Page 23: ... the ICs on them 4 Whenever you uninstall any component place it on a grounded antistatic pad or in the bag that came with the component 5 Before you install or remove any component ensure that the ATX power supply is switched off or the power cord is detached from the power supply Failure to do so may cause severe damage to the motherboard peripherals and or components Figure 2 3 Onboard Power LE...

Page 24: ...st micro architecture features the hyper pipelined technology rapid execution engine 400MHz system bus and execution trace cache Together these attributes improve system performance by allowing higher processor frequencies faster execution of integer instructions and an FSB data transfer rate of 3 2GB s Note in the illustration that the CPU has a gold triangular mark on one corner This mark indica...

Page 25: ... ZIF socket on the motherboard 2 Unlock the socket by pressing the lever sideways then lift it up to a 90 100 angle Figure 2 5 Intel 478 pin ZIF Socket Figure 2 6 CPU Socket Lever at 90 100 Angle Socket Lever Make sure that the socket lever is lifted up to 90 100 angle otherwise the CPU does not fit in completely 90 100 ...

Page 26: ...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 5 When the CPU is in place press it firmly on the socket while you push down the socket lever to secure the CPU The lever clicks on the side tab to indicate that it is locked Figure 2 7 Installing the CPU Figure 2 8 Installed CPU Gold Mark ...

Page 27: ...aking sure that the heatsink fits properly on the retention module base When you buy a boxed Intel Pentium 4 478 Northwood Processor the package includes the heatsink fan and retention mechanism In case you buy a CPU separately make sure that you use only Intel certified heatsink and fan Your boxed Intel Pentium 4 478 Northwood Processor package should come with installation instructions for the C...

Page 28: ...f the module base Keep the retention locks lifted upward while fitting the retention mechanism to 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 Figure 2 10 Installing the Fan and Retention Mechanism Retention Hole Retention Hook Snapped to the Retention Hole Retention Lock ...

Page 29: ... CPU fan cable to the connector on the motherboard labeled CPU_FAN 3 Push down the locks on the retention mechanism to secure the heatsink and fan to the module base Figure 2 11 Fan and Retention Mechanism Installed and Locked Figure 2 12 CPU Fan Connector When secure the retention locks should point to opposite directions CPU Fan Connector CPU_FAN ...

Page 30: ...configurations Figure 2 13 DIMM Sockets Location and SDR DIMMs Install DIMMs in any of the following combinations DIMM Location 168 pin DIMM SDR Total Memory Socket 1 Rows 0 1 64MB 128MB 256MB 512MB 1GB x1 Socket 2 Rows 2 3 64MB 128MB 256MB 512MB 1GB x1 Total system memory Max 2GB DIMMs are keyed with notches so that they fit in only one direction DO NOT force a DIMM into a socket to avoid damagin...

Page 31: ... the components Figure 2 15 Installed DIMM Follow these steps to install a DIMM 1 Unlock a DIMM socket by pressing the retaining clips outward 2 Align a DIMM on the socket such that the notches on the DIMM match the breaks on the socket 3 Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated Figure 2 14 Installing a DIMM Unlocked Retain...

Page 32: ...emove a DIMM 1 Simultaneously press the retaining clips outward to unlock the DIMM Figure 2 16 Removing a DIMM Support the DIMM lightly with your fingers when pressing the retaining clips The DIMM might get damaged when it flips out with extra force 2 Remove the DIMM from the socket ...

Page 33: ...me with it and make the necessary hardware settings for the card 2 Remove the system unit cover if your motherboard is already installed in a chassis 3 Remove the bracket opposite the slot that you intend to use Keep the screw for later use 4 Align the card connector with the slot and press firmly until the card is completely seated on the slot 5 Secure the card to the chassis with the screw you r...

Page 34: ...LPT2 6 14 Floppy Disk Controller 7 15 Printer Port LPT1 8 3 System CMOS Real Time Clock 9 4 ACPI Mode when used 10 5 IRQ Holder for PCI Steering 11 6 IRQ Holder for PCI Steering 12 7 PS 2 Compatible Mouse Port 13 8 Numeric Data Processor 14 9 Primary IDE Channel 15 10 Secondary IDE Channel These IRQs are usually available for ISA or PCI devices IRQ assignments for this motherboard A B C D E F G H ...

Page 35: ...2 18 Installed PCI Card 2 6 4 AGP slot This motherboard has an Accelerated Graphics Port AGP slot that supports 1 5V AGP cards When you buy an AGP card make sure that you ask for one with 1 5V specification Take note of the notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard Below is an example of a 1 5V AGP card The AGP slot supports only 1 5V AGP cards NEV...

Page 36: ...ystem passwords is powered by the onboard button cell battery To erase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Remove the battery 3 Short the jumper by placing the jumper cap to pins 1 2 for a few seconds 4 Replace the jumper cap to pins 2 3 5 Re install the battery 6 Plug the power cord and turn ON the computer 7 Hold down the Del key during the boot process and enter BIOS...

Page 37: ...er connector on hard drives and CD ROM drives but may be on the opposite side on floppy disk drives 1 Floppy disk drive connector 34 1 pin FLOPPY This connector supports the provided floppy drive ribbon cable After connecting one end to the motherboard connect the other end to the floppy drive Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug Figure 2 21 Flop...

Page 38: ...settings BIOS supports specific device bootup If you have more than two UltraDMA 100 66 devices purchase another UltraDMA 100 66 cable You may configure two hard disks to be both master devices with two ribbon cables one for the primary IDE connector and another for the secondary IDE connector Figure 2 22 IDE Connectors 1 Pin 20 on each IDE connector is removed to match the covered hole on the Ult...

Page 39: ...e 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 Figure 2 23 Fan Connectors Figure 2 24 USB Header 4 USB header 10 1 pin USB23 If the USB ports on the rear panel are inadequate a USB header is available for two additional USB ports Connect a 2 port USB connector set to the USB h...

Page 40: ...he 4 pin ATX 12V power plug to provide sufficient power to the CPU Figure 2 25 Power Supply Connectors 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 The minimum recommended wattage is 230W or 300W for a fully configured system The system may become unstable and may experience difficulty powering up if the power supply is ina...

Page 41: ...bles from the 2 port 1394 module Connect the 8 pin connectors to these 8 pin headers and the 6 pin connectors to the 1394 module You may also connect 1394 compliant internal hard disk drives to these headers Figure 2 27 Internal Audio Connectors P4B LX P4B LX Internal Audio Connectors AUX_CON Right Audio Channel Left Audio Channel Ground Ground CD IN Right Audio Channel Left Audio Channel Ground G...

Page 42: ...d 2 pin SPKR This 4 pin connector connects to the case mounted speaker and allows you to hear system beeps and warnings System Message LED Lead 2 pin SUSLED This 2 pin connector is for the system message LED that indicates receipt of messages from a fax modem The normal status for this LED is ON when there is no incoming data signal The LED blinks when data is received The system message LED featu...

Page 43: ...pend switch to this 2 pin connector ATX Power Switch Soft Off Switch Lead 2 pin PWRBTN This connector connects a switch that controls the system power Pressing the power switch turns the system between ON and SLEEP or ON and SOFT OFF depending on the BIOS or OS settings Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF Reset Switch Lead 2 pin RESETCON This...

Page 44: ...2 24 Chapter 2 Hardware information ...

Page 45: ...Chapter 3 Powering up This chapter describes the power up sequence and gives information on the BIOS beep codes ...

Page 46: ...ASUS P4B LX motherboard ...

Page 47: ...ess the ATX power switch If your monitor complies with green standards or if it has a power standby feature the monitor LED may light up or switch between orange and green after the system LED turns on The system then runs the power on tests While the tests are running the BIOS beeps or additional messages appear on the screen If you do not see anything within 30 seconds from the time you turned o...

Page 48: ...ou 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 The power supply should turn off after Windows shuts down The message You can now safely turn off your computer does not appear when shutting down with ATX power supplies ...

Page 49: ...Chapter 4 BIOS setup This chapter tells how to change system settings through the BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided ...

Page 50: ...ASUS P4B LX motherboard ...

Page 51: ...r numbers represent a newer BIOS file 1 Type FORMAT A S at the DOS prompt to create a bootable system disk DO NOT copy AUTOEXEC BAT and CONFIG SYS to the disk 2 Type COPY D AFLASH AFLASH EXE A assuming D is your CD ROM drive to copy AFLASH EXE to the boot disk you created BIOS setup must specify Floppy as the first item in the boot sequence 4 In DOS mode type A AFLASH Enter to run AFLASH If the wo...

Page 52: ...apter 4 BIOS Setup 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 ...

Page 53: ... then press Enter The Update BIOS Including Boot Block and ESCD screen appears 5 Type the filename of your new BIOS and the path for example A XXX XX XXX then press Enter To cancel this operation press Enter 6 When prompted to confirm the BIOS update press Y to start the update Update the BIOS only if you have problems with the motherboard and you are sure that the new BIOS revision will solve you...

Page 54: ...ge Flashed Successfully appears 8 Follow the onscreen instructions to continue If you encounter problems while updating the new BIOS DO NOT turn off the system because this may cause boot problems Just repeat the process and if the problem persists load the original BIOS file you saved to the boot disk If the Flash Memory Writer utility is not able to successfully update a complete BIOS file the s...

Page 55: ... record them in the CMOS RAM of the EEPROM The EEPROM on the motherboard stores the Setup utility When you start up the computer the system provides you with the opportunity to run this program Press Delete during the Power On Self Test POST to enter the Setup utility otherwise POST continues with its test routines If you wish to enter Setup after POST restart the system by pressing Ctrl Alt Delet...

Page 56: ...ar The keys in the legend bar allow you to navigate through the various setup menus The following table lists the keys found in the legend bar with their corresponding functions Navigation Key s Function Description F1 or Alt H Displays the General Help screen from any where in the BIOS Setup Esc Jumps to the Exit menu or returns to the main menu from a sub menu Left or Right arrow Selects the men...

Page 57: ... window press Enter or Esc Sub menu Note that a right pointer symbol as shown on the left appears to the left of certain fields This pointer indicates that you can display a sub menu from this field A sub menu contains additional options for a field parameter To display a sub menu move the highlight to the field and press Enter The sub menu appears Use the legend keys to enter values and move from...

Page 58: ...lid values for month day and year are Month 1 to 12 Day 1 to 31 Year up to 2084 Use the Tab or Shift Tab keys to move between the month day and year fields Legacy Diskette A Legacy Diskette B 1 44M 3 5 in Sets the type of floppy drive installed Configuration options None 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in Floppy 3 Mode Support Disabled This is required to support older...

Page 59: ... may be because the hard disk drive is too old or too new If the hard disk was already formatted on an older system Setup may detect incorrect parameters In these cases select User Type HDD to manually enter the IDE hard disk drive parameters Refer to the next section for details Before attempting to configure a hard disk drive make sure you have the correct configuration information supplied by t...

Page 60: ...Esc key to return to the Main menu When the Main menu appears the hard disk drive field displays the size for the hard disk drive that you configured User Type HDD 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 This is necessary so that you can write or read data from the hard disk Make sure to set the ...

Page 61: ... This field configures the number of sectors per track Refer to the drive documentation to determine the correct value To make changes to this field set the Type field to User Type HDD and the Translation Method field to Manual CHS Capacity This field shows the drive s maximum CHS capacity as calculated by the BIOS based on the drive information you entered Maximum LBA Capacity This field shows th...

Page 62: ...ecrease system performance Configuration options Disabled Enabled PIO Mode 4 This option lets you set a PIO Programmed Input Output mode for the IDE device Modes 0 through 4 provide successive increase in performance Configuration options 0 1 2 3 4 Ultra DMA Mode Disabled Ultra DMA capability allows improved transfer speeds and data integrity for compatible IDE devices Set to Disabled to suppress ...

Page 63: ... Keyboard Auto Repeat Rate 6 Sec This controls the speed at which the system registers repeated keystrokes Options range from 6 to 30 characters per second Configuration options 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 ...

Page 64: ...program allows you to specify passwords in the Main menu The passwords control access to the BIOS during system startup Passwords are not case sensitive meaning passwords typed in either uppercase or lowercase letters are accepted The BIOS Setup program allows you to specify two different passwords a Supervisor password and a User password If you did not set a Supervisor password anyone can access...

Page 65: ...iplied by the bus multiple equals the CPU speed The setting of this field depends on the CPU Frequency Multiple CPU Memory Frequency Ratio Auto 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 PCI Frequency MHz Configuration options Auto ...

Page 66: ...he PS 2 mouse Otherwise IRQ12 can be used for expansion cards When you set this field to Enabled BIOS reserves IRQ12 whether or not a PS 2 mouse is detected at startup Configuration options Enabled Auto USB Legacy Support Auto This motherboard supports Universal Serial Bus USB devices The default of Auto allows the system to detect a USB device at startup If detected the USB controller legacy mode...

Page 67: ...formation about the module such as memory type size speed voltage interface and module banks Configuration options User Defined By SPD SDRAM CAS Latency 3T This item controls the latency between the SDRAM read command and the time the data actually becomes available The SDRAM CAS Latency parameter appears only when you set the SDRAM Configuration to User Defined SDRAM RAS to CAS Delay 3T This item...

Page 68: ... 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 Configuration options UC USWC Memory Hole At 15M 16M Disabled This field allows you to reserve an address space for ISA expansion cards Setting the address space to a particular setting makes that me...

Page 69: ... primary IDE channel or secondary IDE channel or both You can also set both channels to Disabled Configuration options Both Primary Secondary Disabled 4 4 2 I O Device Configuration Floppy Disk Access Control R W When set to Read Only this parameter protects files from being copied to floppy disks by allowing reads from but not writes to the floppy disk drive The default setting R W allows both re...

Page 70: ...to operate in bidirectional DMA mode ECP EPP allows normal speed operation in a two way mode Configuration options Normal EPP ECP ECP EPP ECP DMA Select 3 This field allows you to configure the parallel port DMA channel for the selected ECP mode This selection is available only if you select ECP or ECP EPP in Parallel Port Mode above Configuration options 1 3 Onboard AC97 Audio Controller Auto Aut...

Page 71: ...erly Setting this field to Enabled corrects this problem If you are using standard VGA cards leave this field to the default setting Disabled Configuration options Disabled Enabled PCI Latency Timer 32 Leave this field to the default setting 32 for best performance and stability USB Function Both This motherboard supports Universal Serial Bus USB devices Keep the default setting Both if you want t...

Page 72: ...394 compliant digital interface Otherwise set to Disabled to lessen power consumption Configuration options Disabled Enabled Onboard LAN Controller Enabled This parameter allows you to enable or disable the onboard LAN controller Keep the setting Enabled if you wish to use the LAN feature Set this field to Disabled if you installed a PCI LAN card The LAN card includes a controller chipset Configur...

Page 73: ...non PnP ISA card The setting No ICU for an IRQ field indicates that you are using the ISA Configuration Utility ICU and that this particular IRQ is NOT required by a legacy ISA card Set the IRQ field to Yes if you install a legacy ISA card that requires a unique IRQ and you are NOT using ICU Configuration options No ICU Yes 4 4 3 2 PCI IRQ Resource Exclusion ...

Page 74: ...t to Max Saving system power is conserved to its greatest amount This setting automatically puts the system into suspend mode after a brief period of system inactivity Min Saving allows the least power saving as the system enters suspend mode only after a long period of inactivity Configuration options User Defined Disabled Min Saving Max Saving You should install the Advanced Power Management APM...

Page 75: ...any IDE hard disk drives in the system after a period of inactivity as set in this user configurable field This feature does not affect SCSI hard drives Configuration options Disabled 1 Min 2 Min 3 Min 15 Min ACPI Suspend To RAM Disabled This field allows you to enable or disable the ACPI Suspend to RAM feature To support this feature the 5VSB of the power supply should have the capacity to provid...

Page 76: ...t off mode Configuration options Disabled Enabled The computer cannot receive or transmit data until the computer and applications are fully running Turning an external modem off and then back on while the computer is off causes an initialization string that turns the system power on Power Up On PCI Card Disabled When set to Enabled this item allows you to turn on the system through a PCI modem Th...

Page 77: ... A VCORE Voltage 3 3V Voltage 5V Voltage 12V Voltage The onboard hardware monitor automatically detects the voltage output via the onboard voltage regulators and show the values on these fields 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 ...

Page 78: ...ard Drive ATAPI CD ROM and Other Boot Device Removable Device Legacy Floppy Configuration options Disabled Legacy Floppy LS 120 ZIP ATAPI MO IDE Hard Drive This field allows you to select which IDE hard disk drive to use in the boot sequence Pressing Enter will show the product IDs of all connected IDE hard disk drives ATAPI CD ROM This field allows you to select which ATAPI CD ROM drive to use in...

Page 79: ...ot sector The system halts and displays a warning message when it detects a virus If this occurs you can either allow the operation to continue or use a virus free bootable floppy disk to restart and investigate your system Configuration options Disabled Enabled Quick Power On Self Test Enabled This field speeds up the Power On Self Test POST routine by skipping retesting a second third and fourth...

Page 80: ...ff When you select this option a confirmation window appears Select Yes to save changes and exit Pressing Esc does not immediately exit this menu Select one of the options from this menu or F10 from the legend bar to exit If you attempt to exit the Setup program without saving your changes the program prompts you with a message asking if you want to save your changes before exiting Pressing Enter ...

Page 81: ...ng the values to the non volatile RAM Discard Changes This option allows you to discard the selections you made and restore the previously saved values After selecting this option a confirmation appears Select Yes to discard any changes and load the previously saved values Save Changes This option saves your selections without exiting the Setup program You can then return to other menus and make f...

Page 82: ...4 32 Chapter 4 BIOS Setup ...

Page 83: ...Chapter 5 Software support This chapter describes the contents of the support CD that comes with the motherboard package ...

Page 84: ...ASUS P4B LX motherboard ...

Page 85: ...ctions in this chapter to install the software and drivers contained in the support CD Because motherboard settings and hardware options vary use the setup procedures presented in this chapter for general reference only Refer to your OS documentation for more information 5 2 Support CD information The support CD that came with the motherboard contains useful software and several utility drivers th...

Page 86: ...d icons that link you to the software drivers utilities and other information contained in the support CD 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 Click on a button to display the available options Place your mouse cursor on an icon and click to display the specified item ...

Page 87: ...r of the first screen to display the second menu screen To return to the first menu screen click on the Back button on the lower right corner of the second screen 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 Administra...

Page 88: ...yer SE 5 0 and Cyberlink VideoLive Mail 4 0 Direct X This item installs the Microsoft V8 0a driver PC cillin This item installs the PC cillin 2000 V7 61 anti virus software View the PC cillin online help for detailed information The above PC cillin version supports Windows XP operating system and maintains backward compatibility with Windows 95 Acrobat Reader This item installs the Adobe Acrobat R...

Page 89: ...ou may install this utility in three modes interactive silent and unattended preload The interactive mode requires user input during installation This is not required in the silent and unattended preload modes Refer to the online help or readme file that came with the utility Intel Application Accelerator This item installs the Intel Application Accelerator for Microsoft Windows 98 98SE ME NT4 0 2...

Page 90: ...cking the ASUS Contact Information button displays as stated You may also find this information on page x of this user guide 5 2 5 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 ...

Page 91: ...the support CD This section shows the pop up windows that appear when you click the icons Browse this CD The window displays the support CD contents in graphical format The screens 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 P4B LX motherboard ...

Page 92: ...al 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 93: ...ate 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 Follow these steps to use the ASUS Update 2 Select your desired update method then click Next 1 Launch the utility from your Windows Start menu Programs AsusUpdate Vx xx xx AsusUpdate The ASUS Update in...

Page 94: ...oad 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 Select the file click Save then follow the screen instructions to complete the update process ...

Page 95: ...Glossary This part lists the technical terms that you may encounter when reading this document ...

Page 96: ...ASUS P4B LX motherboard ...

Page 97: ...software This enables the system to automatically turn ON and OFF peripherals such as CD ROMs network cards hard disk drives and printers as well as consumer devices connected to the PC such as VCRs TVs phones and stereos With this technology peripherals are also able to activate the PC For example inserting a tape into a VCR can turn on the PC which could then activate a large screen TV and high ...

Page 98: ...errupting the CPU Bus master IDE driver and bus master IDE hard disk drives are required to support bus master IDE mode Byte Binary Term One byte is a group of eight contiguous bits A byte is used to represent a single alphanumeric character punctuation mark or other symbol Cache Memory A type of RAM that allows a faster from the CPU than a regular RAM The cache memory eliminates the CPU wait stat...

Page 99: ...tains its data even when power is removed This device is similar to EPROM but unlike EPROM which can be erased only using an ultra violet light flash ROM can be electrically erased Flash ROM is normally used for system BIOS which initiates hardware devices and sets up necessary parameters for the OS Since the flash ROM contents can be modified you can update the BIOS by yourself IDE Integrated Dri...

Page 100: ...e Internet and the World Wide Web for a fee The ISP also provides Internet utilities and services like e mail newsgroup weather reports and a host of others The user can connect to the ISP using a modem installed in the computer and connected to a phone line LAN Local Area Network A network technology designed to connect computers that are separated by a short distance The local group of linked co...

Page 101: ...ormation in RAM can be repeatedly re written with new data Compared to other storage media like magnetic tape floppy disk and hard disk RAM has an extraordinarily fast access rate RAM however is volatile which means that the data stored in it are lost when the system power is turned off or if power glitches occur See also DRAM and SDRAM ROM Read Only Memory An integrated circuit chip containing pr...

Page 102: ...ets puts the data from multiple packets into the correct order and requests that missing or damaged packets be resent USB Universal Serial Bus A 4 pin serial cable bus that allows up to 127 Plug n Play computer peripherals such as keyboard mouse joystick scanner printer modem and monitor to share bandwidth through a host scheduled token based protocols This allows attaching or detaching while the ...

Page 103: ...Index This part contains an alphabetical list of the topics found in this document ...

Page 104: ...ASUS P4B LX motherboard ...

Page 105: ...us Detection 4 29 C Central Processing Unit CPU 2 4 CPU socket 1 3 fan connector 2 9 installation 2 5 Level 1 Level 2 Cache 4 16 Speed 4 15 Chip Configuration 4 17 Clear RTC RAM 2 19 Communications and Networking Riser 2 16 Connectors ATX 12V 1 4 ATX power 1 3 chassis alarm 2 17 fan 2 19 floppy disk 1 3 2 17 Game MIDI 1 5 HDD LED 2 17 IDE 1 3 internal audio 2 21 optical SPDIF 1 5 panel 2 22 power ...

Page 106: ...peat Rate 4 13 Features 4 13 L LAN controller 1 4 Legacy Diskette 4 8 M Motherboard components 1 2 IRQ Table 2 14 layout 2 2 placement 2 1 screws 2 1 Multi Sector Transfers 4 11 O Onboard LED 2 3 Operating system installation 5 1 P Parallel Port 1 5 4 20 Modes 4 20 Password Supervisor 4 14 User 4 14 PC cillin 5 4 PCI Configuration 4 21 PCI Latency Timer 4 21 PCI VGA Palette Snoop 4 21 PIO Mode 4 1...

Page 107: ... 5 1 ASUS Update 5 3 DOS Utilities 5 6 Drivers menu 5 5 Main menu 5 2 Motherboard information 5 7 Readme file 5 8 Software menu 5 3 Technical Support Form 5 8 Welcome screen 5 1 Suspend Mode 4 25 System Controllers North Bridge 1 3 South Bridge 1 3 System Date 4 8 System memory configurations 2 10 System Time 4 8 U UART2 4 21 Ultra DMA Mode 4 12 USB Legacy Support 4 17 USB ports 1 5 USWC 4 18 V Vi...

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