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ASUS P2B-B User’s Manual

11

The ASUS P2B-B Motherboard

II. FEATURES

II. FEA

TURES

Motherboard Parts

3 PCI Slots

Super Multi-I/O

Programmable
Flash EEPROM

2 ISA Slots

IDE Connectors

Serial, Parallel, Floppy

3 DIMM Sockets

Hardware Monitor

PS/2 Mouse, USB,

IrDA Header

AT Power
Connector

ATX Power
Connector

Thermal

Sensor

Connector

AGP Slot

Slot 1

Intel 440BX
AGPset

Universal Folding
Retention Mech.

Summary of Contents for P2B-B

Page 1: ...R P2B B Pentium II CeleronTM Motherboard USER S MANUAL ...

Page 2: ...ng in this manual may or may not be registered trade marks or copyrights of their respective companies and are used only for identification or explanation and to the owners benefit without intent to infringe Intel LANDesk and Pentium are registered trademarks of Intel Corporation IBM and OS 2 are registered trademarks of International Business Machines Symbios is a registered trademark of Symbios ...

Page 3: ...ting Address 6737 Mowry Avenue Mowry Business Center Building 2 Newark CA 94560 USA Fax 1 510 608 4555 Email info usa asus com tw Technical Support Fax 1 510 608 4555 BBS 1 510 739 3774 Email tsd usa asus com tw WWW www asus com FTP ftp asus com tw pub ASUS ASUS COMPUTER GmbH Marketing Address Harkort Str 25 40880 Ratingen BRD Germany Telephone 49 2102 445011 Fax 49 2102 442066 Email info ger asus...

Page 4: ...chanism 19 Heatsinks 19 Installing the Processor 20 ASUS Smart Thermal Solutions 22 Recommended Heatsinks for Slot 1 Processors 23 4 Expansion Cards 24 Expansion Card Installation Procedure 24 Assigning IRQs for Expansion Cards 24 Assigning DMA Channels for ISA Cards 25 ISA Cards and Hardware Monitor 25 5 External Connectors 26 Power Connection Procedures 35 IV BIOS SOFTWARE 36 Flash Memory Writer...

Page 5: ...up Defaults 54 Supervisor Password and User Password 55 IDE HDD Auto Detection 56 Save Exit Setup 57 Exit Without Saving 57 V SUPPORT CD 58 ASUS Smart Motherboard Support CD 58 Desktop Management Interface DMI 59 Introducing the ASUS DMI Configuration Utility 59 System Requirements 59 Using the ASUS DMI Configuration Utility 60 VI ASUS LAN Card 63 ASUS PCI L101 Fast Ethernet Card 63 Features 64 So...

Page 6: ...ar installation If this equipment does 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 inter ference by one or more of the following measures Re orient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on ...

Page 7: ...cluded support software Item Checklist Please check that your package is complete If you discover damaged or missing items please contact your retailer 1 ASUS Motherboard 1 Universal Retention Mechanism for SECC SECC2 SEPP 1 IDE ribbon cable for master and slave drives 1 Floppy ribbon cable for 1 5 25inch floppy and 2 3 5inch floppies 2 Serial cables 1 Parallel PS 2 mouse cable on a mounting brack...

Page 8: ...ormance component level interconnect targeted at 3D graphical display applications SB Link Features Creative s SB Link allowing SB16 compatibility us ing Intel s PC PCI DMA and serialized IRQ protocols to AWE64D or compat ible PCI audio cards SMBus Features the System Management Bus interface which is used to physi cally transport commands and information between SMBus devices PCI ISA Expansion Sl...

Page 9: ...nts are based on the following high level goals Support for Plug and Play compatibility and power management for configuring and man aging all system components and 32 bit device drivers and installation proce dures for Windows 95 98 NT Symbios SCSI BIOS Supports optional ASUS SCSI controller cards through the onboard SYMBIOS firmware Performance Features Concurrent PCI Concurrent PCI allows multi...

Page 10: ...ers Through the way a particular LED illuminates the user can de termine the stage the computer is in Asimple glimpse provides useful informa tion to the user Remote Ring On requires external modem This allows a computer to be turned on remotely through an external modem With this benefit on hand any usercanaccessvitalinformationfromtheircomputerfromanywhereintheworld System Resources Alert Today ...

Page 11: ...s 3 PCI Slots Super Multi I O Programmable Flash EEPROM 2 ISA Slots IDE Connectors Serial Parallel Floppy 3 DIMM Sockets Hardware Monitor PS 2 Mouse USB IrDA Header AT Power Connector ATX Power Connector Thermal Sensor Connector AGP Slot Slot 1 Intel 440BX AGPset Universal Folding Retention Mech ...

Page 12: ...t 1 64 72 bit 168 pin module DIMM Socket 2 64 72 bit 168 pin module DIMM Socket 3 64 72 bit 168 pin module Intel 440BX AGPset Row 3 2 1 0 5 4 FS1 FS2 FS0 FS3 VIO SMB RT2 CLRTC Serial Ports FLOPPY PARALLEL KBPWR ISA Slot 1 ISA Slot 2 Accelerated Graphics Port Super Multi I O Intel PIIX4 PCIset System BIOS Flash EEPROM CR2032 3V Lithium Cell BIOS Power ASUS ASIC AT Power Connector ATX Power Connecto...

Page 13: ... IDE p 28 Primary Secondary IDE Connector 40 pins 6 IDELED p 28 IDE LED Activity Light 2 pins 7 CHA_ PWR_ CPU_FAN p 29 Chassis Power Supply CPU FanPowerLead 3 pins 8 WOL_CON p 29 Wake On LAN Connector 3 pins 9 MSG LED PANEL p 30 System Message LED 2 pins 10 SMI PANEL p 30 SMI Switch Lead 2 pins 11 PWR SW PANEL p 30 ATX Power Soft Off Switch Lead 2 pins 12 RESET PANEL p 30 Reset Switch Lead 2 pins ...

Page 14: ...n the inside 2 Use a grounded wrist strap before handling computer components If you do not have one touch both of your hands to a safely grounded object or to a metal object such as the power supply case 3 Hold components by the edges and try not to touch the IC chips leads or connectors or other components 4 Place components on a grounded antistatic pad or on the bag that came with the component...

Page 15: ...he default is set to Disable because not all computers have the appropriateATX power supply Your computer will not function if you set this to Enable but do not have the right ATX power supply Setting KBPWR Disable 1 2 default Enable 2 3 P2B B Keyboard Power Up Disable Default KBPWR KBPWR Enable 1 2 3 1 2 3 R 3 Voltage Input Output Selection VIO This jumper allows you to select the voltage supplie...

Page 16: ...the CPU These allowtheselectionoftheCPU sExternalfrequency orBUSClock TheBUSClock timestheBUSRatioequalstheCPU sInternalfrequency theadvertisedCPUspeed 5 CPU to BUS Frequency Ratio BF0 BF1 BF2 BF3 These jumpers set the frequency ratio between the Internal frequency of the CPU and the External frequency called the BUS Clock within the CPU These must be set together with the above jumpers CPU Extern...

Page 17: ...PC100 compli ant DIMMs This motherboard operates at 100MHz thus most systems will not even boot if non compliant modules are used because of the strict timing issues involved under this speed If your DIMMs are not PC100 compliant set the CPU bus frequency to 66MHz for system stability Two possible memory chips are supported SDRAM with and without ECC SDRAM chips are generally thinner with higher p...

Page 18: ...nsity P2B B 168 Pin DIMM Memory Sockets 20 Pins 60 Pins 88 Pins Lock R The DIMMs must be 3 3Volt unbuffered SDRAMs To determine the DIMM type check the notches on the DIMMs see figure below 168 Pin DIMM Notch Key Definitions 3 3V DRAM Key Position Voltage Key Position Unbuffered RFU Buffered Reserved 3 3V 5 0V The notches on the DIMM will shift between left center or right to identify the type and...

Page 19: ...ed to the fan connectors on the motherboard WARNING Be sure that there is sufficient air circulation across the processor s heatsink by regularly checking that your CPU fan is working Without sufficient circulation the processor could overheat and damage both the processor and the motherboard You may install an auxiliary fan if necessary Universal Retention Mechanism URM Universal Retention Mechan...

Page 20: ...t the heatsink clip through the holes at the SECC2 SEPP s back making sure that the bot tom of the clip plate sits against the processors s back Remove the tab from the thermal grease which is located on the bottom of the heatsink Unlocked Folding Support Arms Locked Folding Support Arms To unlock the support arms simply flip them up to an upright position Push each end of the clamps until they lo...

Page 21: ...f you purchased an ASUS Smart Fan ASUSS P2FAN with an integrated thermalsensor cable ASUSP2T Cable orpurchasedseparatelytheP2T Cable youcanconnectthe thermal sensor cableto your motherboard s thermal sensor connector See next page for information on ASUS Smart Thermal Solutions 3 Insert the SECC SECC2 SEPP SECC with Pentium II only Push the SECC s two locks inward until you hear a click the pictur...

Page 22: ... See 2 Attach the Heatsink on the preceding page for the relevant procedures Note that the S P2FAN comes with a rock arm design for easy FAN CPU installation 1 Simply peel off the tab from the sensor and then stick the sensor near the middle edge of the Intel boxed processor heatsink with fan middle or to either the upper or lower edge of the Celeron heatsink right as indicated To Use the ASUS P2T...

Page 23: ...Processor The Elan Vital heatsink however comes with a lever to clamp the heatsink into the SEC cartridge Mount the heatsink in the orientation as shown then flip the lever from Unlock to Lock CPU III INSTALLATION IMPORTANT ASUS guarantees accurate readings only for the ASUS Smart Fan and the Intel boxed processor heatsink with fan because both have similar heat distribution and heatsink material ...

Page 24: ...nsion cards If your motherboard has audio onboard an extra 3 IRQs will be used leaving 3 IRQs free Both ISA and PCI expansion cards may require to use IRQs System IRQs are avail able to cards installed in the ISA expansion bus first then any remaining IRQs are available to PCI cards Currently there are two types of ISAcards The original ISA expansion card design now referred to as legacy ISA cards...

Page 25: ...nstall a PCI card you need to set something called the INT interrupt assignment Since all the PCI slots on this motherboard use an INTA be sure that the jumpers on your PCI cards are set to INT A Assigning DMA Channels for ISA Cards Some ISAcards both legacy and PnP may also need to use a DMA Direct Memory Access channel DMA assignments for this motherboard are handled the same way as the IRQ assi...

Page 26: ...oard adapter in order to connect a PS 2 keyboard to this AT connector P2B B Keyboard Connector Keyboard Connector 5 pin female This motherboard accepts an AT Keyboard Connector Plug as shown here R 2 Floppy drive connector 34 1 pin FLOPPY This connector supports the provided floppy drive ribbon cable After connect ing the single end to the board connect the two plugs on the other end to the floppy...

Page 27: ...movedtopreventinsertinginthewrongorientationwhenusingribboncables with pin 26 plugged NOTE Serial printers must be connected to the serial port P2B B Parallel Connector Connect the Red stripe to Pin 1 Pin 1 R Parallel Connector PS 2 Mouse Connector 4 Serial Port Connectors 10 1 pin COM1 COM2 These connectors support the provided serial port ribbon cables with mounting bracket Connect the ribbon ca...

Page 28: ...orientation when using ribbon cables with pin 20 plugged TIP You may configure two hard disks to be both Masters using one ribbon cable on the primary IDE connector and another ribbon cable on the secondary IDE connector You may install up to four operating systems on each IDE drive and select the boot disk through Boot Sequence in the BIOS Features Setup P2B B IDE Connectors Primary IDE Connector...

Page 29: ...gned fan with rotation signal WARNING These connectors have power Damage may occur to the mother board and or the CPU fan if these connectors are incorrectly used P2B B 12Volt Cooling Fan Power Chassis Fan Power GND Rotation 12V Power Supply Fan CPU Fan Power GND Rotation 12V 8 Wake On LAN Connector 3 pin WOL_CON This connector connects to a LAN card with a Wake On LAN output such as the ASUS PCI ...

Page 30: ...t Setup of the BIOS SOFTWARE section should be on the default setting of Enable 11 ATX Power Switch Soft Power Switch Lead 2 pin PWR SW The system power can be controlled by a momentary switch connected to this lead Pushing the button once will switch the system between ON and SLEEP Pushing the switch while in the ON mode for more than 4 seconds will turn the system off The system power LED shows ...

Page 31: ...rt 0 4 Ground 5 no connection 6 PS 2 Mouse Clock 7 Ground 8 no connection 9 5 Volt P2B B PS 2 Mouse USB IrDA Module Connector 10 USB 5 Volt 11 USB Port 1 12 USB Port 1 13 Ground 14 no connection 15 PS 2 Mouse Data 16 Ground 17 Infrared Receive 18 Infrared Transmit Optional USB MIR 1 9 18 10 USB MIR R Parallel Connector PS 2 Mouse Connector 17 IrDA Compliant infrared module connector 5 pin IR This ...

Page 32: ...ply On Ground Ground Ground 5 0 Volts 5 0 Volts 5 0 Volts Power Good 12 0Volts 3 3 Volts 3 3 Volts Ground 5 0 Volts Ground 5 0 Volts Ground 5V Standby 19 AT Power Supply Connector 12 pin PS 2 This connector connects to a standard 5 Volt power supply To connect the leads from the power supply ensure first that the power supply is not plugged Most power supplies provide two plugs P8 and P9 each cont...

Page 33: ... on the PCI bus P2B B SB Link Connector R PC PCI Grant Sideband Signal 5 6 PC PCI Request Sideband Signal 1 DGND 2 DGND Serial IRQ NOTE Pin 3 is removed to ensure the correct orientation of the cable on it 21 SMBus Connector 5 1 pin SMB This connector allows you to connect SMBus devices SMBus devices commu nicate by means of the SMBus with an SMBus host and or other SMBus de vices The SMBus or Sys...

Page 34: ...for a chassis intrusion monitor or sensor The sensor is triggered when a high level signal is sent to the chassis signal lead This occurs when a panel switch or light detector is triggered This function requires optional trig ger switches to be installed P2B B Chassis Open Alarm Lead R 5Volt Power Supply Stand By Ground Chassis Signal ...

Page 35: ...essed The monitor LED may light up after the system s if it complies with green stan dards or if it has a power standby feature The system will then run power on tests While the tests are running additional messages will appear on the screen If you do not see anything within 30 seconds from the time you turn on the power the system may have failed a power on test Recheck your jumper set tings and ...

Page 36: ... screen displays are provided as examples only and may not reflect the screen contents displayed on your system Main Menu 1 Save Current BIOS To File This option allows you to save a copy of the original motherboard BIOSincaseyouneedtoreinstall it Itisrecommendedthatyousave AFLASH EXEandtheBIOSfile to a bootable floppy disk IMPORTANT If unknown is displayed after Flash Memory the memory chip is ei...

Page 37: ...from a new BIOS file See the next page for proce dures on downloading an updated BIOS file The utility starts to program the new BIOS information into the flash ROM When the program ming is finished Flashed Suc cessfully will be displayed To update your current BIOS type 2 at the Main Menu and then press Enter The Update BIOS Including Boot Block and ESCD screen appears Type the filename of your n...

Page 38: ...or FTP or a BBS Bulletin Board Service seeASUS CONTACT INFORMATION on page 3 for details and save to the disk you created earlier 2 Boot from the disk you created earlier 3 At the A prompt type AFLASH and then press Enter 4 At the Main Menu type 2 and then press Enter See 2 Update BIOS In cluding Boot Block and ESCD on the previous page for more details and the rest of the steps WARNING If you enc...

Page 39: ...e motherboard reconfiguring your system or you receive a Run Setup message you will need to enter new setup information This section describes how to configure your system using this utility The BIOS ROM of the system stores the Setup utility When you turn on the com puter the system provides you with the opportunity to run this program This ap pears during the Power On Self Test POST Press Delete...

Page 40: ...ion However if the configuration stored in the CMOS memory on the board gets lost or damaged or if you change your system hardware configuration you will need to respecify the configuration values The configuration values usually get lost or corrupted when the power of the onboard CMOS battery weakens The preceding screen provides you with a list of options At the bottom of this screen are the con...

Page 41: ...re using SCSI controller cards refer to their respective documentations on how to configure and setup SCSI devices For IDE hard disk drive setup you can Use the Auto setting for detection during bootup Use the IDE HDD AUTO DETECTION in the main menu to automatically enter the drive specifications Enter the specifications yourself manually by using the User option The entries for specifying the har...

Page 42: ...sible with FDISK NOTE SETUP Defaults are noted in parenthesis next to each function heading Drive A Drive B None These fields record the types of floppy disk drives installed in your system The available options for drives A and B are 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in None To enter the configuration value for a particular drive highlight its corresponding field and th...

Page 43: ...o each function heading Details of BIOS Features Setup CPU Internal Core Speed Manual This function is reserved for future use and is currently disabled Boot Virus Detection Enabled This field allows you to set boot virus detection ensuring a virus free boot sector This new antivirus solution is unlike native BIOS tools which offer limited virus protection typically by write protecting the partiti...

Page 44: ...IDE is always the boot disk using drive letter C default setting of IDE This new feature allows a SCSI hard disk drive to be the boot disk when set to SCSI This allows multiple operating systems to be used on both IDE and SCSI drives or the primary operating system to boot using a SCSI hard disk drive Boot Sequence A C This field determines where the system looks first for an operating system Opti...

Page 45: ...erformance as information access is faster than the ROM C8000 CBFFF to DC000 DFFFF Disabled These fields are used for shadowing other expansion card ROMs If you install other expansion cards with ROMs on them you will need to know which addresses the ROMs use to shadow them specifically Shadowing a ROM reduces the memory available between 640K and 1024K by the amount used for this purpose Boot Up ...

Page 46: ... Leave on default setting SDRAM RAS to CAS Delay 2T This controls the latency between SDRAM active command and the read write com mand Leave on default setting SDRAM RAS Precharge Time 2T This controls the idle clocks after issuing a precharge command to SDRAM Leave on default setting DRAM Idle Timer 0T This controls the idle clocks before closing an opened SDRAM page Leave on default setting SDRA...

Page 47: ...cally require this setting This makes the memory from 15MB and up unavailable to the system Expansion cards can only access memory up to 16MB The default is Disabled DRAM are xx bits wide If all your DIMMs have ECC e g 8 chips 1 ECC chip they are considered 72bits and the following will be displayed If your DIMMs do not have ECC e g 8 chips they are considered 64 bits and the following will be dis...

Page 48: ...e maximum unidirectional data transfer rate ECP EPP allows normal speed operation in a two way mode ECP DMA Select 3 This selection is available only if you select ECP or ECP EPP in the Parallel Port Mode Select either DMA Channel 1 3 or Disable UART2 Use Infrared Disabled When enabled this field activates the onboard infrared feature and sets the second serial UART to support the infrared module ...

Page 49: ...xcept that this time the system inac tivity period is longer Disable disables the power saving features User Define al lows you to set power saving options according to your preference IMPORTANT Advanced Power Management APM should be installed to keep the system time updated when the computer enters suspend mode activated by the BIOS Power Management For DOS environments you need to add the state...

Page 50: ...ed from the keyboard or when there is activity detected from the enabled IRQ channels HDD Power Down Disable Shuts down any IDE hard disk drives in the system after a period of inactivity This time period is user configurable to 1 15 Min or Disable This feature does not affect SCSI hard drives Suspend Mode Disable Sets the period of time after which each of these modes activate 30 sec 1 Min 2 Min ...

Page 51: ...f peak hours Set to Enabled to set this feature IMPORTANT This feature requires the ASUS PCI L101 LAN Card and an ATX power supply with at least 720mA 5V standby power Automatic Power Up Disabled This allows you to have an unattended or automatic power up of your system You may configure your system to power up at a certain time of the day by selecting Everyday which will allow you to set the time...

Page 52: ...s determined for each PCI slot The default setting for each field is Auto which uses auto routing to determine IRQ use The other options are manual settings of NA 3 4 5 7 9 10 11 12 14 or 15 for each slot PCI Latency Timer 32 PCI Clock The default setting of 32 PCI Clock enables maximum PCI performance for this motherboard IRQ xx Used By ISA No ICU These fields indicate whether or not the displaye...

Page 53: ...m the six available options the ISA MEM Block SIZE field will then appear for selecting the block size If you have more than one legacy ISA card in your system that requires to use this address range you can increase the block size to either 8K 16K 36K or 64K If you are using an ICU to accomplish this task leave ISA MEM Block BASE to its default setting of No ICU SYMBIOS SCSI BIOS Auto The default...

Page 54: ...een Press Y and then Enter to confirm Press N and then Enter to abort This feature does not affect the fields on the Standard CMOS Setup screen Load Setup Defaults The Load Setup Defaults option allows you to load the default values to the sys tem configuration fields These default values are the optimized configuration set tings for the system To load these default values highlight Load Setup Def...

Page 55: ...assword is case sensitive and can be up to 8 alphanumeric characters long type in your password and then press Enter The system confirms your password by asking you to type it again After setting a password the screen automatically re verts to the main screen To implement password protection specify in the Security Option field of the BIOS Features Setup screen when the system will prompt for the ...

Page 56: ...En hanced IDE support for four devices you can only install two IDE hard disk drives Your IDE controller must support the Enhanced IDE features in order to use Drive E and Drive F The onboard PCI IDE controller supports Enhanced IDE with two connectors for connecting up to four IDE devices If you want to use another con troller that supports four drives you must disable the onboard IDE controller ...

Page 57: ...r your disk do not accept them Press N to reject the presented settings and enter the correct ones manually from the Standard CMOS Setup screen Save Exit Setup Select this option to save into the CMOS memory all modifications you specified during the current session To save the configuration changes highlight the Save Exit Setup option on the main screen type Y and then press Enter Exit Without Sa...

Page 58: ...Utility Installs a simple software to monitor your computer s fan temperature and voltages NOTE Will not run with LDCM installed Adobe Acrobat Reader Installs the Adobe Acrobat Reader software neces sary to view the LDCM manual in the LDCM directory BusMaster Installs the Intel BusMaster IDE drivers Patch for PIIX4 chipset Installs the necessary drivers for PCI card and PCI bridge for Windows 95 9...

Page 59: ...ows the system integrator or end user to add additional information into the MIFD such as serial numbers housing configurations and ven dor information Those information not detected by the motherboard BIOS and has to be manually entered through the DMI Configuration Utility and updated into the MIFD This DMI Configuration Utility provides the same reliability as PnP updat ing and will prevent the...

Page 60: ...nd the blue text are available for editing The orange text shows auto detected information and are not available for editing The blue text Press ENTER for detail contains a second pop up menu is available use the plus minus keys to change the settings Enter to exit and save ESC to exit and not save If the user has made changes ESC will prompt you to answer Y or N Enter Y to go back to the left han...

Page 61: ...and a message Bad File Name appears here to show it was not saved Load MIFD You can load the disk file to memory by entering a drive and path and file name here Load BIOS Defaults You can load the BIOS defaults from a MIFD file and can clear all user modified and added data You must reboot your computer in order for the defaults to be saved back into the Flash BIOS V Support CD Using DMI Utility ...

Page 62: ...62 ASUS P2B B User s Manual This page was intentionally left blank V SUPPORT CD ...

Page 63: ...sing theASUS PCI L101 on anASUS motherboard leave the jumper on its default setting of ASUS If you are using another brand of motherboard set the jumper to Other Connect the Wake On LAN WOL output signal to the motherboard sWOL_CON in order to utilize theWake On LAN feature of the moth erboard Connect the LAN activity output signal LAN_LED to the system cabinet s front panel LAN_LED in order to di...

Page 64: ... Novell Netware 3 x 4 x DOS OS 2 Client NDIS 2 01 Drivers Microsoft LAN Manager Microsoft Windows 3 11 IBM LAN Server NDIS 3 0 Drivers Microsoft Windows NT Microsoft Windows 95 Microsoft Windows 3 11 Question and Answer Q What is Wake On LAN A The Wake On LAN feature provides the capability to remotely power on sys tems supporting Wake On LAN by simply sending a wake up frame With this feature rem...

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