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Chapter 2: Hardware information

7. ASUS EZPlug™ and ATX power connectors

(20-pin ATXPWR, 4-pin ATX+12V, 4-pin AUX+12V)

These connectors connect to an ATX +12V power supply. The plugs
from the power supply are designed to fit these connectors in only one
orientation. Find the proper orientation and push down firmly until the
connectors completely fit.

In addition to the 20-pin ATXPWR connector, this motherboard requires
that you connect the 4-pin ATX +12V power plug to provide sufficient
power to the 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 AUX +12V.

Figure 2-37

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 inadequate.

P4B-LS

®

P4B-LS ATX & Auxiliary Power Connectors

ATXPWR

ATX+12V

ASUS EZPlug™
(AUX+12V)

+12V DC COM

+12V DC COM

+3.3VDC

-12.0VDC

COM

PS_ON#

COM

COM

COM

-5.0VDC

+5.0VDC
+5.0VDC

PWR_OK

+12.0VDC

+3.3VDC
+3.3VDC
COM

+5.0VDC

COM

+5.0VDC

COM

+5VSB

+12V

GND

+5V

GND

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Summary of Contents for P4B-LS

Page 1: ...Motherboard P4B LS 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 SPEC...

Page 3: ... 1 4 Major components 1 4 1 4 1 Identifying the motherboard components 1 4 1 4 2 Pre installed accessory 1 7 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...

Page 4: ... off the computer 3 4 Chapter 4 BIOS setup 4 1 4 1 Managing and updating your BIOS 4 1 4 1 1 Using the computer system for the first time 4 1 4 1 2 Updating BIOS procedures 4 3 4 2 BIOS Setup program 4 5 4 2 1 BIOS menu bar 4 6 4 2 2 Legend bar 4 6 4 3 Main Menu 4 8 4 3 1 Primary and 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 ...

Page 5: ...2 Support CD information 5 1 5 2 1 Running the support CD 5 1 5 2 2 Main menu 5 2 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 Winbond Voice Editor 5 11 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 LS motherboard It includes brief explanations of the special attributes of the motherboard and the new technology it supports Product introduction ...

Page 12: ...ASUS P4B LS motherboard ...

Page 13: ...ns through a CNR slot high speed data transfers using the ATA100 protocol AC 97 compliant audio features and an ASUS proprietary LAN SCSI slot the P4B LS spells out 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 LS package for the following items ASUS P4B LS motherboard A...

Page 14: ...rnal speaker you will hear the messages informing you of the system boot status and causes of boot errors if any The bundled Winbond Voice Editor software allows you to customize the voice messages and provides multi language support See section 5 3 2 Winbond Voice Editor on page 5 11 for details ASUS EZ Plug This patented ASUS technology lets you use your existing power supply rather than buying ...

Page 15: ...Frequency Selection SFS for fine tuning system bus frequency from 100MHz up to 200MHz at 1MHz increments optimized system performance through BIOS built in Turbo Mode adjustable Vcore and VIO ASUS iPanel support The motherboard supports the ASUS iPanel to provide easy connectivity one touch management of various peripherals and convenient monitoring of system status Special Card Reader support The...

Page 16: ...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 4 1 Identifying the motherboard components Proceed to the succeeding pages for a brief description of each componen...

Page 17: ...ccommodates the provided ribbon cable for the floppy disk drive One side of the connector is slotted to prevent incorrect insertion of the floppy disk cable ASUS EZ Plug Auxilliary 12V connector This ASUS patented auxilliary power connector is used if you don t have an ATX 12V power supply Connect a 4 pin device connector from a standard power supply to this connector to provide sufficient power t...

Page 18: ...ive a multi mode parallel port two standard compatible UARTs a Standard Infrared SIR one MPU 401 UART mode compatible MIDI game port and a Flash ROM interface ASUS ASIC This chip performs multiple system functions that include hardware and system voltage monitoring IRQ routing among others LAN SCSI slot This ASUS proprietary slot supports the ASUS LS99 LAN SCSI card that allows you to connect up t...

Page 19: ...serial devices Parallel port This 25 pin port connects a parallel printer a scanner or other devices USB ports These two 4 pin Universal Serial Bus USB ports are available for connecting USB devices such as a mouse and PDA 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 24 25 26 27 28 This motherboard is ...

Page 20: ...1 8 Chapter 1 Product introduction ...

Page 21: ... 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 22: ...ASUS P4B LS motherboard ...

Page 23: ...board 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 six 6 screws into the holes indicated by circles to secure the motherboard to the chassis Make sure to unplug the power cor...

Page 24: ... Intel I O Controller Hub ICH2 P4B LS CHA_FAN SWITCH Accelerated Graphics Port AGP 1 5V ASUS ASIC with Hardware Monitor CR2032 3V Lithium Cell CMOS Power ATX Power Connector USB2 CPU_FAN ATX12V USBPWR1 JEN COM1 PARALLEL PORT COM2 PCI6 Socket 478 Intel 845 Memory Controller Hub MCH LED1 CNR PS 2KBMS T Mouse B Keyboard USB1 USB2 SPDIFOUT CD1 AUX Super I O MODEM AFPANEL SMARTCON MS SD GAME_AUDIO Mic ...

Page 25: ...ny 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 LEDs When lit the green LED LED1 indicates that the system is ON in sleep mode or in soft off mode a reminder that you should shut down the system before removing of plugging in...

Page 26: ...Burst 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 a data transfer rate of 3 2GB s Note in the illustration that the CPU has a gold triangular mark on one corner This mark indicate...

Page 27: ... 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 28: ...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 29: ...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 30: ...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 31: ...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 Don t forget to connect the CPU fan connector Hardware monitoring errors may occur if you fail to plug this ...

Page 32: ... 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 Socket 3 Rows 4 5 64MB 128MB 256MB 512MB 1GB x1 Total system memory Max 3GB DIMMs are keyed with notches so that they fit in only one direction DO NOT force a DIMM into ...

Page 33: ... 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 34: ...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 35: ...he expansion card read the documentation that came 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 Sec...

Page 36: ...PCI slot 1 shared PCI slot 2 shared PCI slot 3 shared PCI slot 4 shared PCI slot 5 LAN SCSI slot shared shared shared PCI slot 6 used Onboard USB controller HC0 used Onboard USB controller HC1 shared AGP used CNR LAN shared CNR Audio Modem used Onboard Audio shared When using PCI cards on shared slots ensure that the drivers support Share IRQ or that the cards do not need IRQ assignments Otherwise...

Page 37: ...ion and card configuration Figure 2 18 ASUS LS99 LAN SCSI 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 Note the notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard Figure 2 19 Accelerated Graphics Port AGP Slot Locati...

Page 38: ...terface and technologies such as broadband DSL and wireless System Management Bus SMB for Plug n Play functionality Power to provide the signals required for power management and the main power supplies to operate the CNR circuitry The CNR is tagged to replace the current Audio Modem Riser AMR slot because of its flexibility and added features Also the CNR slot does not take up the motherboard spa...

Page 39: ...erFree mode allows you to change CPU settings through the BIOS setup instead of using the DIP switches Figure 2 22 JumperFree Mode Setting The JEN jumper must be set to pins 1 2 jumper mode if you wish to use the DIP switches Otherwise setting the switches does not produce any effect P4B LS P4B LS DIP Switches ON 1 2 3 4 5 6 7 8 9 10 SWITCH 1 Frequency Multiple 2 Frequency Multiple 3 Frequency Mul...

Page 40: ...e only on unlocked CPUs If you are using a locked CPU setting the switches does not produce any effect P4B LS SWITCH 8 0x ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 10 0x ON 1 2 3 4 5 6 7 8 9 10 11 0x ON 1 2 3 4 5 6 7 8 9 10 12 0x 13 0x ON 1 2 3 4 5 6 7 8 9 10 14 0x ON 1 2 3 4 5 6 7 8 9 10 15 0x ON 1 2 3 4 5 6 7 8 9 10 16 0x ON 1 2 3 4 5 6 7 8 9 10 17 0x ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6...

Page 41: ...the CPU frequency only to the recommended settings Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable To select the CPU external frequency using the DIP switches ensure that the JEN jumper is set to jumper mode P4B LS SWITCH P4B LS CPU External Frequency Selection 100MHz ON 1 2 3 4 5 6 7 8 9 10 105MHz ON 1 2 3 4 5 6 7 8 9 10 111MHz ON 1 2 3 4 5 6 7 8 9 10 12...

Page 42: ...lows you to enable or disable the keyboard wake up feature Set this jumper to pins 1 2 5VSB if you wish to wake up the computer when you press a key on the keyboard the default is the Space Bar This feature requires an ATX power supply that can supply at least 1A on the 5VSB lead and a corresponding setting in the BIOS see section 4 5 1 Power Up Control The default is setting is on pins 1 2 5VSB F...

Page 43: ... 2 3 5V by default because not all computers have the appropriate power supply to support this feature The USBPWR jumper is for the rear USB ports The FUSB jumper is for the internal USB header that you can connect to the front USB ports 1 This feature requires a power supply that can provide at least 1A on the 5VSB lead when these jumpers are set to 5VSB Otherwise the system does not power up 2 T...

Page 44: ...is 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 Figure 2 29 Speaker Selection Settings P4B LS P4B LS SDR Voltage Setting SDRVOL 3 4 V 3 5 V 1 2 2 3 3 6 V 3 4 Default P4B LS P...

Page 45: ...install the battery 5 Plug the power cord and turn ON the computer 6 Hold down the Del key during the boot process and enter BIOS setup to re enter data Refer to the illustration on the next page showing the CLRCMOS location on the motherboard 9 VCORE over voltage OVER_VOLT When enabled this jumper allows a CPU Vcore setting range of 1 75V to 2 1V for P4 Willamette processor and a 1 475V to 1 75V ...

Page 46: ...the red stripe to Pin 1 on the connectors Pin 1 is usually on the side closest to the power connector on hard drives and CD ROM drives but may be on the opposite side on floppy disk drives 1 Hard disk activity LED 2 pin HDLED This connector supplies power to the hard disk activity LED The read or write activities of any device connected to the primary or secondary IDE connector cause this LED to l...

Page 47: ...r 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 32 IDE Connectors 1 Pin 20 on each IDE connector is removed to match the covered hole on the U...

Page 48: ...igned with intrusion detection feature This requires an external detection mechanism such as a chassis intrusion sensor or microswitch When you remove any chassis component the sensor triggers and sends a high level signal to this lead to record a chassis intrusion event Figure 2 34 Chassis Alarm Lead If you do not wish to use the chassis intrusion lead place a jumper cap over the pins labeled Cha...

Page 49: ... Figure 2 36 USB Header 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 6 USB Header 10 1 pin USB2 If the USB port connectors on the rear panel are inadequate a USB header is available for two additional USB port connectors Connect a...

Page 50: ... 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 AUX 12V Figure 2 37 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...

Page 51: ...rnal audio connectors 4 pin CD1 AUX MODEM optional These connectors allow you to receive stereo audio input from sound sources such as a CD ROM TV tuner or MPEG card The MODEM connector allows the onboard audio to interface with a voice modem card with a similar connector It also allows the sharing of mono_in such as a phone and a mono_out such as a speaker between the audio and a voice modem card...

Page 52: ...cted to the Microphone pink jack and a speaker on the Line Out lime jack on the rear panel You may only use one microphone and one speaker headphone at a time 11 ASUS iPanel audio connector 10 1 pin AAPANEL optional This connector accommodates the audio cable from the optional ASUS iPanel The audio connectors on the iPanel allow you convenient audio control from the front panel Figure 2 41 ASUS iP...

Page 53: ... 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 Figure 2 42 ASUS iPanel Connector P4B LS P4B LS iPanel Connector 5VSB NC CHASSIS 5 V PCIRST GND CIRRX EXTSMI MLED NC BATT NC SMBDATA GND 3VSB IRRX IRTX...

Page 54: ...nts Figure 2 45 Secure Digital SD Memory Card and Memory Stick MS Connectors You need an SD MS reader to use the SD and MS devices The SD MS and the SD MS reader are optional items and may be purchased separately Figure 2 44 Smart Card Reader Connector 14 Smart Card Reader connector 14 1 pin SMARTCON optional This connector accommodates a Smart Card Reader that allows you to conveniently make tran...

Page 55: ... pin connector connects to a chassis mounted switch to allow the use of the keyboard lock feature 16 Power supply thermal connector 2 pin TRPWR If your power supply has a thermal monitoring feature connect its thermal sensor cable to this connector Figure 2 46 Power Supply Thermal Connector P4B LS P4B LS Power Supply Thermal Connector TRPWR Ground TRPWR P4B LS P4B LS System Panel Connectors Requir...

Page 56: ...This 2 pin connector allows you to manually place the system into a suspend mode or green mode where system activity is instantly decreased to save power and to expand the life of certain system components Attach the case mounted suspend 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 pow...

Page 57: ...Chapter 3 Powering up This chapter describes the power up sequence and gives information on the BIOS beep codes ...

Page 58: ...ASUS P4B LS motherboard ...

Page 59: ...n 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 on the power the system may have failed a power on test Chec...

Page 60: ...entium 4 478 Northwood Processor into the CPU socket System failed CPU test Check the CPU if properly installed Call ASUS technical support for assistance See the ASUS contact information on page x System failed memory test Install 168 pin unbuffered PC133 DIMMs into the DIMM sockets Check if the DIMMs on the DIMM sockets are properly installed Make sure that your DIMMs are not defective Refer to ...

Page 61: ...disk drive to the one of the IDE connectors on the motherboard See section 2 8 Connectors CPU temperature too high Check CPU fan if working properly CPU fan failed Check the CPU fan and make sure it turns on after you applied power to the system CPU voltage out of range Check your power supply and make sure it is not defective Call ASUS technical support for assistance See the ASUS contact informa...

Page 62: ...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 63: ...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 64: ...ASUS P4B LS motherboard ...

Page 65: ...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 66: ...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 67: ...e 2 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 ...

Page 68: ...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 69: ... 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 70: ...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 71: ... 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 72: ...y year Valid 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 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 Japanese...

Page 73: ...is 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...

Page 74: ...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 75: ... 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 76: ...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 77: ... 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 78: ... 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 the BIOS Setup program If you did the Supervisor password is required to enter the BIOS Setup program and to gain full access to the configur...

Page 79: ...ccess this field This field sets the frequency multiple between the CPU s internal frequency CPU speed and external frequency Set this field in conjunction with CPU Frequency MHz to match the speed of the CPU CPU Frequency MHz when CPU Speed is set to Manual This feature tells the clock generator what frequency to send to the system bus and PCI bus The bus frequency external frequency multiplied b...

Page 80: ...rameter above is set to Manual the CPU VCore item allows you to select a specific CPU core voltage This field is not accessible when the CPU VCore Setting is set to Auto Depending on the OVER_VOLT jumper setting see page 2 23 for the jumper location and settings the CPU core voltage options vary for both Willamette and Northwood processors See the following table Refer to the CPU documentation bef...

Page 81: ... 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 is enabled If not detected the USB controller legacy mode is disabled When you set this field to Disabled the USB controller legacy mode is disabled whether or not you are using a USB device Configuration options Disable...

Page 82: ...ser Defined 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 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 ...

Page 83: ...e 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 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 spa...

Page 84: ...et 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 UART2 Use As COM Port This field allows you to select the device on which to assign UART2 Configuration options COM Port IR Smart Card Reader Onboard Parallel Port 378H IRQ7 This field sets the address of the onboar...

Page 85: ...s field allows you to select the I O address for the game port Configuration options Disabled 330H 331H 300H 301H Onboard Card Reader Type Disabled This field allows you to select the appropriate card reader type to match your device if you installed one Keep the default setting Disabled if you did not install any Configuration options Disabled Memory Stick Secure Digital Onboard AC97 Audio Contro...

Page 86: ...etting 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 Set this field to Primary or Both if you want to ...

Page 87: ...cy ISA card that requires a unique IRQ and you are NOT using ICU Configuration options No ICU Yes 4 4 3 1 PCI IRQ Resource Exclusion Onboard LAN Boot ROM Disabled This field allows you to enable or disable the boot ROM on the onboard LAN chipset Set this field to Enabled if you wish to use the onboard LAN boot ROM Configuration options Disabled Enabled ONB SCSI BIOS First No When set to Yes this f...

Page 88: ...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 89: ...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 90: ...ering up the computer when the external modem receives a call while the computer is in Soft off mode Configuration options Disabled Enabled The computer cannot receive or transmit data until the computer and applications are fully running Thus connection cannot be made on the first try Turning an external modem off and then back on while the computer is off causes an initialization string that tur...

Page 91: ... 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 to turn on the system This feature requires an ATX power supply that provides at least 1A on the 5VSB lead Configuration options Disabled Enabled Automatic Power Up Disabled This allows an ...

Page 92: ...re 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 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 ...

Page 93: ...s IDE Hard 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...

Page 94: ...ssage 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 time Configuration options Disabled Enabled Boot Up...

Page 95: ...urned off 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...

Page 96: ...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 ...

Page 97: ...Chapter 5 Software support This chapter describes the contents of the support CD that comes with the motherboard package ...

Page 98: ...ASUS P4B LS motherboard ...

Page 99: ...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 100: ...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 101: ... 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 Administrator Setup This program is for monitoring PC systems on the network withi...

Page 102: ...plications This item installs the Cyberlink PowerPlayer 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 A...

Page 103: ...support for Intel chipset components This utility installs to the target system the Windows INF files that outline to the operating system how the chipset components will be configured You 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 Refe...

Page 104: ...evice Driver This item installs the Secure Digital SD device driver The device driver allows you to use the SD for securely downloading and storing digital files and other data 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 5 2 5 DOS Utilities menu The DOS utilities menu includes items t...

Page 105: ...ional information on the motherboard and the contents of the support 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 P4B LS motherboard Browse this CD The window displays the support CD contents in graphical format ...

Page 106: ...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 107: ...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 108: ...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 109: ...in the support CD See section 5 2 3 Software menu Follow these steps to use the Winbond Voice Editor Launching the program Launch the program either from the Winbond Voice Editor icon on your desktop or from the Windows Start menu Programs Winbond Voice Editor Voice Editor The Winbond Voice Editor screen appears Default Messages POST Events To avoid conflicts do not run the Winbond Voice Editor wh...

Page 110: ...e languages not all events have a corresponding message due to file size constraints 3 Click on the Write button to update the EEPROM 4 Click Yes on the confirmation window that appears The next time you boot your computer the POST messages are announced in the language that you selected Playing the default wave files To play the default wave files simply click on a POST event on the left side of ...

Page 111: ...t of POST events on the leftmost column of the screen 2 Prepare your message for each event The total compressed size for all the wave files must not exceed 1Mbit so make your messages as short as possible 3 Use a recording software such as Windows Recorder to record your messages 4 Save the messages as wave files WAV It is recommended that you save your files in low quality to keep them small For...

Page 112: ... 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 9 Click OK to return to the Voice Editor screen 10 Do steps 7 to 9 for the other events 11 When done click the Save button A window appears prompting you to save your configuration 12 Type a file name w...

Page 113: ...Glossary This part lists the technical terms that you may encounter when reading this document ...

Page 114: ...ASUS P4B LS motherboard ...

Page 115: ...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 116: ...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 117: ...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 118: ...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 119: ...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 120: ...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 121: ...Index This part contains an alphabetical list of the topics found in this document ...

Page 122: ...ASUS P4B LS motherboard ...

Page 123: ...y 5 4 Boot Device selection 4 29 Boot Up NumLock Status 4 13 Boot Virus Detection 4 30 C Central Processing Unit CPU fan connector 2 9 installation 2 5 Level 1 Level 2 Cache 4 16 Speed 4 15 CPU socket 1 3 Chip Configuration 4 17 Clear RTC RAM 2 23 Connectors HDD LED 2 24 CODEC 1 4 Communications and Networking Riser 1 4 2 16 Connectors ASUS EZ Plug 1 3 ATX 12V 1 4 ATX power 1 3 chassis alarm 2 26 ...

Page 124: ...e Monitor 4 28 Heatsink installation 2 7 Heatsink retention module 1 5 I Interrupt Assignments 2 14 IRQ assignments 2 14 J JumperFree mode 2 17 Jumpers audio controller 2 20 keyboard power 2 20 RTC RAM 2 23 SDRAM voltage 2 22 speaker selector 2 22 USB device wake up 2 21 K Keyboard Auto Repeat Delay 4 13 Auto Repeat Rate 4 13 Features 4 13 L Legacy Diskette 4 8 M Motherboard components 1 2 IRQ Tab...

Page 125: ...e 4 18 RAS to CAS Delay 4 17 19 Serial Ports 1 5 4 20 Slots AGP 2 15 CNR 2 16 PCI 2 15 Smart Card Reader 2 32 SMART Monitoring 4 12 SPDIF audio 2 31 Super I O chipset 1 4 Support CD 5 1 ASUS Update 5 3 Boot Logo 5 12 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 Winbond Voice Editor 5 13 ...

Page 126: ...I 4 Index ...

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