Asus P4B266-C, User Manual

Page 1: ...Motherboard P4B266 C 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: ...3 2 Value added solutions 1 3 1 4 Overview 1 4 1 4 1 Motherboard components 1 4 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...

Page 4: ...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 18 4 4 2 I O Device Configuration 4 21 4 4 3 P...

Page 5: ... 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 ASUS MyLogo 5 10 5 3 3 Personalized Boot Logo 5 12 5 3 4 Multi Channel Audio Feature 5 13 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: ...rform 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 Chap...

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: ...apter 1 This chapter describes the features of the P4B266 C motherboard It includes brief explanations of the special attributes of the motherboard and the new technology it supports Product introduction ...

Page 12: ...ASUS P4B266 C motherboard ...

Page 13: ...d data transfers using the ATA100 protocol and 6 channel PCI audio features the P4B266 C 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 P4B266 C package for the following items ASUS P4B266 C motherboard ATX form factor 12 i...

Page 14: ...D graphics multimedia and Internet applications See page 2 10 PCI based HRTF 3D positional audio on audio models only Audio models include the C Media CMI8738 audio chip with high speed PCI V2 1 bus controller This audio controller supports the legacy audio SBPRO FM emulator DLS Wave music synthesis and HRTF 3D positional audio functions The audio controller also meets PC 99 requirements and suppo...

Page 15: ...or is necessary to provide the additional power required by the Pentium 4 CPU See page 2 28 1 3 2 Value added solutions Overclocking The P4B266 C overclocking features adjustable CPU frequency multiple in BIOS using the ASUS JumperFree solution adjsutable CPU FSB memory frequency ratio Stepless Frequency Selection SFS for fine tuning system bus frequency from 100MHz up to 200MHz at 1MHz increments...

Page 16: ... connector 2 CPU socket 3 North Bridge controller 4 DDR DIMM sockets 5 AGP warning LED 6 ASUS EZ Plug auxiliary 12V connector 7 ATX power connector 8 IDE connectors 9 Floppy connector 10 South Bridge controller 11 DIP switches 12 ASUS ASIC 13 Super I O controller 14 Flash EEPROM 15 Onboard LED 16 Audio controller optional 17 PCI slots 18 LAN controller optional 19 AGP slot 20 PS 2 mouse port 21 RJ...

Page 17: ...ASUS P4B266 C motherboard user guide 1 5 2 3 4 11 16 17 1 13 5 6 14 10 9 8 7 12 15 18 19 20 21 22 23 24 25 26 29 28 27 ...

Page 18: ... for the motherboard this red LED lights up if you plug in any 3 3V AGP card into the AGP slot When this LED is lit there is no way you can turn on the system power even if you press the power button ASUS EZ Plug Auxilliary 12V connector This ASUS patented auxilliary power connector is used if you don t have an ATX 12V power supply Connect a 4 pin device connector from a standard power supply to t...

Page 19: ...UARTs a Standard Infrared SIR one MPU 401 UART mode compatible MIDI game port and a Flash ROM interface Flash EEPROM This 2Mb firmware contains the programmable BIOS program Onboard LED This onboard LED lights up if there is a standby power on the motherboard This LED acts as a reminder to turn off the system power before plugging or unplugging devices Audio controller This C Media 6 channel PCI a...

Page 20: ...mode the function of this jack becomes Bass Center on audio models only Line In jack This Line In light blue jack connects a tape player or other audio sources In 6 channel mode the function of this jack becomes Rear Speaker Out on audio models only Line Out jack This Line Out lime jack connects a headphone or a speaker on audio models only Serial ports These two 9 pin COM1 COM2 ports are for poin...

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 P4B266 C motherboard ...

Page 23: ...herboard 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 cord before installing or ...

Page 24: ...Power Connector CPU_FAN ATX12V TRPWR JEN COM1 PARALLEL PORT COM2 PCI6 Socket 478 Intel 845D Memory Controller Hub MCH LED1 LINE_IN CD AUX Super I O MODEM AFPANEL DDR_OV EZ_PLUG USB11_23 SMB CLR_CMOS AAPANEL BCS1 VPANEL DDR DIMM2 64 72 bit 184 pin module 2 3 USB T USB1 B USB2 Top RJ 45 PS 2KBMS T Mouse B Keyboard GAME_AUDIO Mic In Line Out Line In Accelerated Graphics Port AGP DDR DIMM1 64 72 bit 1...

Page 25: ...tall 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 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 and unplug the power cord before remov...

Page 26: ...rchitecture The Intel NetBurst 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 ...

Page 27: ...eps to install a CPU 1 Locate the 478 pin ZIF socket on the motherboard 2 Unlock the socket by pressing the lever sideways then lift it up to a 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: ... 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 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 Gold Mark ...

Page 29: ... 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 CPU heatsink and the retention mechanism If the instructions in this section do not match the CPU documentation f...

Page 30: ... the holes on each corner of 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 Retention Hole Retention Hook Snapped to the Retention Hole Retention Lock ...

Page 31: ...e 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 When secure the retention locks should point to opposite directions Don t forget to connect the CPU fan connector Hardware monitoring errors may occur if you fail to plug this connector CPU Fan Connector CPU_FAN ...

Page 32: ...as Single Data Rate SDR SDRAM DDR memory however has the ability to perform two data operations in one clock cycle thus providing twice the throughput of SDR memory For example a 200MHz DDR DIMM will support a 100MHz memory bus and a 266MHz DDR DIMM will support a 133MHz memory bus A DDR DIMM has the same physical dimensions as an SDR DIMM but it has a 184 pin footprint compared to the 168 pin of ...

Page 33: ...B x1 Total system memory Max 2GB 2 5 3 Installing a DIMM Make sure to unplug the power supply before adding or removing DIMMs or other system components Failure to do so may cause severe damage to both the motherboard and the components 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 notch on the DIMM ma...

Page 34: ...outward to unlock the 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 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 ...

Page 35: ...umentation 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 Secure the card to the chassis wi...

Page 36: ...k 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 PCI slot 1 shared PC...

Page 37: ...ake 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 If you installed an incorrect AGP card such as a SiS305 based AGP card or any other 3 3V AGP card the onboard red LED WARNING lights up an indication that the card is not supported on the motherboard As long as this LED is lighted you cannot tur...

Page 38: ...rFree mode allows you to change CPU settings through the BIOS setup instead of using the DIP switches 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 P4B266 C P4B266 C DIP Switches ON 1 2 3 4 5 6 7 8 9 10 SWITCH 1 Frequency Multiple 2 Frequency Multiple 3 Frequency Multiple 4 Frequency Multiple 5 Freq...

Page 39: ...Us If you are using a locked CPU setting the switches does not produce any effect P4B266 C P4B266 C CPU Frequency Multiple Selection 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 ...

Page 40: ...ies 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 P4B266 C SWITCH P4B266 C CPU External Frequency Selection ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 CPU AG...

Page 41: ...SB lead and a corresponding setting in the BIOS see section 4 5 1 Power Up Control 5 DDR voltage 4 pin DDR_OV This jumper allows you to select the voltage supplied to the system memory by changing the jumper setting DISABLE 2 5V STAGE1 2 6V STAGE2 2 7V It is recommended that you keep the default setting Disable for system stability Setting to Stage1 and Stage2 does not guarantee better system perf...

Page 42: ...se not all computers have the appropriate power supply to support this feature The USBPWR01 jumper is for the rear USB ports The USBPWR23 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 The total current c...

Page 43: ...ommended that you keep the default setting Disable 8 Bass Center setting 3 pin BCS1 BCS2 These jumpers allow you to select the speaker output for a 6 channel audio system Switch the jumper settings from the default position CENTER BASS pins 2 3 to BASS CENTER pins 1 2 to re route signals on the internal leads of the Mic port Use the audio driver included in the support CD to install the multi chan...

Page 44: ...ANEL connector see page 2 30 for the location remove the caps from these jumpers to allow automatic switching of audio signal between the rear panel Line Out jack and the Intel audio cable 10 LAN setting 3 pin LAN_ENABLE on LAN models only This jumper allows you to enable or disable the onboard Local Area Network LAN feature Keep the default setting Enabled if you wish to connect your computer to ...

Page 45: ...as system 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 Place a jumper cap over the pins for a few seconds to short the jumper Remove the jumper cap 4 Re 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 ...

Page 46: ...onnect ribbon cables with 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 VPANEL 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 co...

Page 47: ...or the jumper 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 1 Pin 20 on each IDE connector is removed to match the covered hole on the UltraDMA cable c...

Page 48: ...gned with intrusion detection feature This requires an external detection mechanism such as a chassis intrusion sensor or microswitch When you open the chassis the sensor triggers and sends a high level signal to this lead to record a chassis intrusion event If you do not wish to use the chassis intrusion lead place a jumper cap over the pins labeled Chassis Signal and Ground to close the circuit ...

Page 49: ... 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 USB11_23 If the USB port connectors on the rear panel are inadequate a USB header is available for two additional USB port connectors Connect a 2 port USB connector ...

Page 50: ... CPU If you are using a standard ATX power supply that does not have the ATX 12V plug connect one 4 pin device power plug to the ASUS EZ Plug connector labeled EZ_PLUG Make sure that your ATX 12V power supply can provide 8A on the 12V lead and at least 1A on the 5 volt standby lead 5VSB The minimum recommended wattage is 230W or 300W for a fully configured system The system may become unstable and...

Page 51: ... audio connectors 4 pin CD AUX MODEM on audio models only 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 MODEM_IN such as a phone and a MODEM_OUT such as a speaker between the audio and a voice m...

Page 52: ...onnection and control of audio devices Make sure to remove the caps from the LINE_IN connector and the LO_L and LO_R jumpers if you installed the Intel front panel audio cable Refer to page 2 23 for the location of the jumpers P4B266 C P4B266 C LINE_IN Connector LINE_IN AGND BLINE_IN_L ALINE_IN_L ALINE_LIN_R BLINE_LIN_R 1 P4B266 C P4B266 C Audio Panel Connector AAPANEL MICPWR AGND BLine_out_R 1 BL...

Page 53: ...llows 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 P4B266 C P4B266 C iPanel Connector 5VSB NC CHASSIS 5 V PCIRST GND CIRRX EXTSMI MLED NC BATT NC SMBDATA GND 3VSB IRRX IRTX NC NC NC 5V SMBCLK NC 5VSB NC 5...

Page 54: ...d Reader connector 14 1 pin SMARTCARD This connector accommodates a Smart Card Reader that allows you to conveniently make transactions such as financial health care telephony or traveling services through a Smart Card user interface software P4B266 C P4B266 C Power Supply Thermal Connector Ground TRPWR P4B266 C P4B266 C Smartcard SMARTCARD NC SCPWR NC NC NC VCC GND SCRIO SCRRES NC SCCLK 1 NC SCRS...

Page 55: ... to a chassis mounted switch to allow the use of the keyboard lock feature System Warning Speaker Lead 4 pin SPEAKER 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 MLED 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 w...

Page 56: ...g 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 RESET This 2 pin connector connects to the case mounted reset switch for rebooting the system without turning off the system power ...

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

Page 58: ...ASUS P4B266 C motherboard ...

Page 59: ...een 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 Ch...

Page 60: ...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 61: ...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 62: ...ASUS P4B266 C motherboard ...

Page 63: ...er 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 w...

Page 64: ...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 65: ...pe 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 66: ...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 67: ...d 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 Dele...

Page 68: ...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 69: ...p 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 fro...

Page 70: ...y year Valid values for month day and year are Month 1 to 12 Day 1 to 31 Year up to 2099 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 71: ...his 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 b...

Page 72: ...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 73: ...r 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 t...

Page 74: ...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 75: ...n 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 76: ... 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 77: ...access 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 ...

Page 78: ...ble CPU Level 1 Cache CPU Level 2 Cache Enabled These fields allow you to choose from the default Enabled or choose Disabled to turn on or off the CPU Level 1 and Level 2 built in cache Configuration options Disabled Enabled 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 upd...

Page 79: ...otherboard 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 Disabled Enabled Au...

Page 80: ...DRAM Configuration By SPD This parameter allows you to set the optimal timings for items 2 5 depending on the memory modules that you are using The default setting is By SPD which configures items 2 5 by reading the contents in the SPD Serial Presence Detect device The EEPROM on the memory module stores critical information about the module such as memory type size speed voltage interface and modu...

Page 81: ...oard supports the AGP 4X interface that transfers video data at 1066MB s AGP 4X is backward compatible so you may keep the default 4X Mode even if you are using an AGP 1X video card When set to 1X Mode the AGP interface only provides a peak data throughput of 266MB s even if you are using an AGP 4x card Configuration options 1X Mode 4X Mode The DDR SDRAM RAS Precharge Delay parameter appears only ...

Page 82: ... only access memory up to 16MB Configuration options Disabled Enabled Delayed Transaction Disabled When set to Enabled this feature frees the PCI bus when the CPU is accessing 8 bit ISA cards This process normally consumes about 50 60 PCI clocks without PCI delayed transaction Set this field to Disabled when using ISA cards that are not PCI 2 1 compliant Configuration options Enabled Disabled Onbo...

Page 83: ...3 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 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 s...

Page 84: ...arallel port operation ECP allows the parallel port 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 Configuratio...

Page 85: ...r MPEG video cards may not show colors properly 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 Enabled This motherboard supports Universal Serial Bus USB devic...

Page 86: ...ons No ICU Yes 4 4 3 1 PCI IRQ Resource Exclusion Primary VGA BIOS PCI VGA Card This field allows you to select the primary graphics card Configuration options PCI VGA Card AGP VGA Card Onboard LAN Enabled This field allows you to enable or disable the onboard LAN controller Keep the default Enabled if you wish to use the onboard LAN feature Set to Disabled if you installed a PCI LAN card Configur...

Page 87: ... When set 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 Manage...

Page 88: ... 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 provide more ...

Page 89: ...owering 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 t...

Page 90: ...upply 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 un...

Page 91: ...on The POWER Temperature item shows N A if you do not have the appropriate power supply CPU Fan Speed xxxxRPM Chassis Fan Speed N A Power Fan Speed xxxxRPM 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 on...

Page 92: ...er up Configuration fields include Removable Devices 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 fie...

Page 93: ...st POST Configuration options No Yes Boot Virus Detection Enabled This field allows you to set boot virus detection ensuring a virus free boot 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 Enabl...

Page 94: ...IC The Advanced Programmable Interrupt Controller APIC setting allows you to distribute interrupt routings other than the 16 IRQs The Programmable Interrupt Controller PIC setting allows you to use the 16 IRQs only Configuration options PIC APIC ...

Page 95: ...turned 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 Pressin...

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 ...

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Page 99: ...or 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 that enhance the motherboard features 5 2 1 Running the support CD To begin using the support CD simply insert the CD into your CD ROM drive The CD automatically displays the welcome screen and 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: ...e 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 with...

Page 102: ... the Microsoft V8 0a driver E Color 3Deep This item installs the 3Deep software 3Deep is the first application that gives online gamers the competitive edge in multi player skirmishes This application removes dark washed out graphics to deliver true vibrant colors Acrobat Reader This item installs the Adobe Acrobat Reader V5 0 The Acrobat Reader software is for viewing files saved in Portable Docu...

Page 103: ...es 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 2000 This program is designed to improve ...

Page 104: ...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 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 P4B266 C 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: ...date 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 i...

Page 108: ...date process 5 3 2 ASUS MyLogo The ASUS MyLogo is automatically installed when you install the ASUS Update utility from the software menu See section 5 2 3 Software menu 1 Launch the ASUS Update utility See section 5 3 1 ASUS Update 2 When prompted for the BIOS update method select the option Update BIOS from a file 3 Specify the location of the BIOS file such as from a floppy disk Click Next Befo...

Page 109: ... the new boot logo Click Flash to update the BIOS 7 When finished click Exit then reboot your computer Your system boots with the new boot logo Instead of starting from ASUS Update you may also launch ASUS MyLogo directly from the Windows Start menu to change your BIOS boot logo After you have modified the BIOS file with the new logo use the ASUS Update utility to upload the new BIOS into the EEPR...

Page 110: ... Del The new boot screen that you selected appears If you wish to select a new BMP file re run the process from Step 4 You may wish to create an original boot image Use your favorite photo editor to save an image as a 640 x 480 pixel 16 color BMP file Choose a file name for the image with eight digits and characters recognizable in the DOS environment Back up your system BIOS to a bootable floppy ...

Page 111: ...ations Mixer Audio Rack 3 Click on the mixer icon to display the C Media Audio Mixer 4 Click on the Advanced button on the Mixer to display the Speaker Volume Sound Effects and Options menus Advanced Button Make sure that the BCS1 BCS2 jumpers are set correctly before using the 6 channel audio feature See page 2 21 for the settings You must use 4 or 6 channel speakers for this setup Mixer Icon Set...

Page 112: ...onfiguring and testing your speaker system TV Box To configure your speakers launch the Speaker Channel Configuration menu by clicking on the TV Box on the program interface The functions of the Line Out lime Line In blue and Mic pink connectors on the rear panel change when you select the 6 channel audio configuration Refer to the following table Connector Settings and Functions Headphone 4 Speak...

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

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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: ... on the motherboard An expansion card add functions that are not present in the motherboard Flash ROM A non volatile memory device that retains 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 s...

Page 118: ...o a single server See also WAN Wide Area Network Modem A device that allows a computer to talk to another computer through the phone system Network An interconnected computer system linked by telephone wires or other means OS Operating System The software that controls the overall operation of a computer system The OS tasks include memory allocation input and output distribution interrupt processi...

Page 119: ...sed and read but not modified SCSI Small Computer System Interface High speed multi threaded I O interface defined by the X3T9 2 committee of the American National Standards Institute ANSI for connecting many peripheral devices The standard covers 10MBytes sec to 160MBytes sec data rates SDRAM Synchronous DRAM A type of DRAM with access signals that are synchronized with the CPU clock eliminating ...

Page 120: ...erals 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 host and other peripherals are in operation Supports synchronous and asynchronous transfer types over the same set of wires up to 12Mbit sec USB 2 0 provides 40 times the transfer rate compared to USB 1 0 and competes...

Page 121: ...Index This part contains an alphabetical list of the topics found in this document ...

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Page 123: ...Boot Up NumLock Status 4 13 Boot Virus Detection 4 31 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 6 Chip Configuration 4 18 Clear RTC RAM 2 23 Connectors ASUS EZ Plug 1 6 ATX 12V 1 6 ATX power 1 6 chassis alarm 2 26 digital audio 2 31 fan 2 27 floppy disk 1 6 2 26 front panel audio 2 30 game MIDI 1 5 HDD LED 2 24 IDE 1 6 inter...

Page 124: ...age 2 19 Keyboard power 2 19 LAN setting 2 22 Line Out selector 2 22 RTC RAM 2 23 USB device wake up 2 20 VCORE overvoltage 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 4 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 Overclocking featur...

Page 125: ...MART 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 Suspend Mode 4 26 System Controller North Bridge 1 6 South Bridge 1 6 System Date 4 8 System memory configurati...

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