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P2L-B

Pentium

II Motherboard

USER’S MANUAL

Summary of Contents for P2L-B

Page 1: ...R P2L B Pentium II Motherboard USER S MANUAL ...

Page 2: ... 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 Lo...

Page 3: ...TIONAL Marketing Address 6737 Mowry Ave 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...

Page 4: ...ocessor 19 AAVID Heatsink 23 Elan Vital Heatsink 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 33 IV BIOS SOFTWARE 34 Support Software 34 Flash Memory Writer Utility 34 Main Menu 34 Advanced Features Menu 35 Managing...

Page 5: ...ng the ASUS DMI Configuration Utility 57 System Requirements 57 Using the ASUS DMI Configuration Utility 58 VI ASUS PCI SCSI Cards 59 Symbios SCSI BIOS and Drivers 59 ASUS PCI SC200 PCI SC860 SCSI Cards 59 Setting Up the ASUS PCI SC200 PCI SC860 60 Setting the INT Assignment for the ASUS PCI SC200 60 Terminator Requirements for SCSI Devices 60 Terminator Settings for the ASUS PCI SC860 61 Terminat...

Page 6: ...lar 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 interfer ence 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: ...ntact your retailer 1 ASUS Motherboard 1 Retention mechanism heatsink support 2 Attach mount bridges factory installed 1 9pin male serial 25pin male serial external connector set 1 25pin female parallel 6pin female PS 2 mouse external connector set 1 IDE ribbon cable for master and slave drives 1 Floppy ribbon cable for 1 5 25inch floppy and 2 3 5inch floppies 1 bag of spare jumpers 1 diskette or ...

Page 8: ... with EPP and ECP capabilities UART2 can also be directed from COM2 to the Infrared Module for wireless connections Desktop Management Interface DMI Supports DMI through BIOS which allows hardware to communicate within a standard protocol creating a higher level of compatibility Requires DMI enabled components See section V PCI Bus Master IDE Comes with an onboard PCI Bus Master IDE controller wit...

Page 9: ...S Direct Power Management OSPM functionality With these features imple mented in the OS PCs can be ready around the clock everyday yet satisfy all the energy saving standards To fully utilize the benefits of ACPI an ACPI supported OS such as in the next release of Windows 95 must be used PC 97 Compliant Both the BIOS and hardware levels of ASUS smart series of motherboards meet PC 97 compliancy Th...

Page 10: ...Fan Off The system fans will power off automatically even in sleep mode This function reduces both energy consumption and system noise and is a important feature to implement silent PC systems Dual Function Power Button requiresATX power supply The system can be in one of two states one is Sleep mode and the other is the Soft Off mode Pushing the power button for less than 4 seconds places the sys...

Page 11: ...ATURES Motherboard Parts SEC CPU Socket Slot1 3 PCI Slots Super Multi I O Programmable Flash ROM 2 ISA Slots IDE Connectors Serial Parallel Floppy Intel s 440LX AGPset 3 DIMM Sockets Hardware Monitor PS 2 Mouse USB IrDA AT Power Connector ATX Power Connector Thermal Sensor AGP Slot ...

Page 12: ...ower ISA Slot 1 ISA Slot 2 AGP Slot PCI Slot 1 PCI Slot 2 PCI Slot 3 Super Multi I O Intel PIIX4 PCIset Intel 440LX PCIset System BIOS Flash EEPROM Socket 2 64 bit or 72 bit with ECC 168 pin DIMM module Socket 1 64 bit or 72 bit with ECC 168 pin DIMM module Socket 3 64 bit or 72 bit with ECC 168 pin DIMM module Key board CR2032 3V Lithium Cell BIOS Power ASUS ASIC AT Power Input ATX Power Input Se...

Page 13: ...COM1 COM2 10 1pins 5 IDE1 IDE2 p 28 Primary Secondary IDE Connector 40 1pins 6 IDELED p 28 IDE LEDActivity Light 2 pins 7 FAN p 27 Power Supply Chassis CPU Fan Power Leads 3 pins 8 W0L_CON p 32 Wake on LAN Activity 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 R...

Page 14: ...to connect pins 2 3 Jumpers with two pins will be shown as for Short On and for Open Off For manufacturing simplicity the jump ers may be sharing pins from other groups Use the diagrams in this manual instead of following the pin layout on the board Settings with two jumper numbers require that both jumpers be moved together To connect the pins simply place a plastic jumper cap over the two pins a...

Page 15: ...M CLRTC Clear Data short solder points momentarily R P2L B Clear RTC RAM CLRTC 2 Keyboard Power Up KBPWR Set this jumper to Enable if you wish to use your keyboard to power up your system Requires an ATX power supply that can supply at least 300mAmp on the 5VSB lead and new BIOS support The default is set to Disable because your system will not function without the proper ATX power supply Setting ...

Page 16: ...z 3 5x 66MHz 1 2 1 2 1 2 1 2 1 2 2 3 2 3 NOTE Voltage Regulator Output Selection VID is not needed for the Pentium II processor because it sends a VID signal directly to the onboard power controller 3 CPU External BUS Frequency Selection FS0 FS1 FS2 These jumpers tell the clock generator what frequency to send to the CPU These allowtheselectionoftheCPU sExternalfrequency orBUSClock TheBUSClock tim...

Page 17: ...uto Configuration in BIOS Chipset Setup of the BIOS SOFTWARE WARNING Memory modules must have 18 chips or less Memory modules with more that 18 chips will cause unstable operation Install memory in any combination as follows DIMM Location 168 pin DIMM Memory Modules Total Memory Socket 1 Rows 0 1 SDRAM EDO 8 16 32 64 128MB x1 Socket 2 Rows 2 3 SDRAM EDO 8 16 32 64 128MB x1 Socket 3 Rows 4 5 SDRAM ...

Page 18: ...Dual Inline Memory Module DIMM must be 3 3V Unbuffered for this moth erboard You can identify the type of DIMM module by the illustration below 168 Pin DIMM Notch Key Definitions 3 3V DRAM Key Position Voltage Key Position Unbuffered RFU Buffered Reserved 3 3V 5 0V The notch on the DIMM module will shift between left center or right to identify the type and also to prevent the wrong type of DIMM t...

Page 19: ...ou should check to see that you have the following 9 items NOTE The pictures in the following pages will have the same item numbers next to them for your refer ence The design and color of your items may be slightly different Attach Mount Bridges Items 1 2 Factory Installed 1 2 Pentium II Retention Mechanism Item 3 Lock Holes Captive Nut 3 Pentium II Processor Heatsink Item 8 8 Heatsink bottom Gro...

Page 20: ... only one way TIP Orient the mechanism s lock holes toward the motherboard s chipsets see motherboard layout for the location of the Intel chipset Be sure to align the notch in the mechanism with the small rib on one side of the slot and that the mechanism is properly seated on the board Then screw the captive nuts in place WARNING Do not overtighten the captive nuts Doing so could damage your mot...

Page 21: ...howing through between the thermal pad of the heatsink and the SEC cartridge WARNING If the heatsink is not mounted tightly against the SEC cartridge the CPU will overheat You may install an auxiliary fan to provide adequate circulation across the processor s passive heatsink SEC Cartridge with Heatsink Side View SEC Cartridge with Heatsink Top View Push each end of the clamps until they lock The ...

Page 22: ...a heatsink with fan see next page The support base is necessary to secure the heatsink without fan Secure the heatsink by sliding the heatsink support top bar into the bottom groove of the heatsink until it locks into the heatsink support base posts 3 3 8 Heatsink support base 7 6 Attach the Thermal Sensor Connector optional If you purchased the spe cially designed fan and thermal monitor heatsink...

Page 23: ... for the heatsink without a fan You will not however be able to use the heatsink support top bar because of the fan The heatsink support top bar will however still be included in the package in case you use a heatsink without a fan Elan Vital Heatsink The procedures for installing the Elan Vital heatsink with fan is also similar as that for the heatsink without a fan The Elan Vital heatsink howeve...

Page 24: ...s legacy ISA cards requires that you con figure the card s jumpers manually and then install it in any available slot on the ISA bus You may use Microsoft Diagnostics MSD EXE utility located in the Win dows directory to see a map of your used and free IRQs If you use Windows 95 the Resources tab under Device Manager displays the resource settings being used by a particular device to gain access do...

Page 25: ...requires an IRQ To install 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...

Page 26: ...s 95 compatible Use a PS 2 keyboard adapter in order to connect a PS 2 keyboard to this AT connector P2L B Keyboard Connector Keyboard Connector 5 pin female This motherboard accepts an AT Keyboard Connector Plug as shown here R 2 Floppy drive connector FLOPPY 34 1 pins This connector supports the provided floppy drive ribbon cable After connect ing the single end to the board connect the two plug...

Page 27: ... Pin 26 is re movedtopreventinsertinginthewrongorientationwhenusingribboncables with pin 26 plugged NOTE Serial printers must be connected to the serial port P2L B Parallel Printer Connector Connect the Red stripe to Pin 1 R Pin 1 4 Serial Port Connectors COM1 COM2 two 10 1 pins These connectors support the provided serial port ribbon cables with mounting bracket Connect the ribbon cables to these...

Page 28: ...s removed to prevent inserting in the wrong orientation when using ribbon cables with pin 20 plugged R P2L B IDE Connectors Primary IDE Connector Secondary IDE Connector Pin 1 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 one operating system on an IDE drive and ano...

Page 29: ...ere is no airflow across the CPU Damage may occur to the motherboard and or the CPU fan if these pins are incorrectly used These are not jumpers do not place jumper caps over these pins R P2L B 12Volt Cooling Fan Power Chassis Fan Power GND Rotation 12V GND Rotation 12V Power Supply Fan CPU Fan Power GND Rotation 12V 8 Wake on LAN Activity Connector WOL_CON 3 pins This connector allows the system ...

Page 30: ... in the Power Management Setup of the BIOS SOFTWARE section should be on the default setting of Enable 11 ATX Power Switch Soft Power Switch Lead PWR SW 2 pins 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...

Page 31: ...t 0 4 Ground 5 no connection 6 PS 2 Mouse Clock 7 Ground 8 no connection 9 5 Volt P2L 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 R 1 9 18 10 17 Second IrDA Compliant Infrared Connector IR 5 pins This connector supports the optional wireless transmi...

Page 32: ... 12 0Volts Ground Power Supply 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 POWER 12 pins 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 ...

Page 33: ... 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 connections or ca...

Page 34: ...r system Flash Memory Writer Utility IMPORTANT If unknown is displayed after Flash Type the memory chip is either not programmable or is not supported with the PnP BIOS and therefore cannot be programmed by the Flash Memory Writer utility Main Menu 1 Save Current BIOS To File This option allows you to save a copy of the original motherboard BIOS in case you need to reinstall it It is recommended t...

Page 35: ...P configura tion record and updating the motherboard BIOS Advanced Features Menu 1 Clear PNP ESCD Parameter Block This option erases the Plug and Play PnP configuration record 2 Update BIOS Including Boot Block and ESCD This option updates the boot block the baseboard BIOS and the PnP extended sys tem configuration data ESCD parameter block from a new BIOS file ...

Page 36: ...At the A prompt type PFLASH and then press Enter 4 Enter 2 Update BIOS Main Block From File from the Main Menu or option 2 Update BIOS Including Boot Block and ESCD from the Advanced Features Menu if prompted by option 2 of the Main Menu 5 The program displays a second screen prompting you for the name of the BIOS file Type in the complete file name and extension of the new BIOS and then press Ent...

Page 37: ... 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 to call up the Setup utility If you are a little bit late p...

Page 38: ...anymore 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...

Page 39: ...ion VI for instructions If you install other vendor s SCSI controller card refer to their respective documentations on how to install the required SCSI drivers 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 U...

Page 40: ...ble 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 360KB 5 25 in 1 2MB 5 25 in 720KB 3 5 in 1 44MB 3 5 in 2 88MB 3 5 in None To enter the configuration value for a particular drive highlight its corresponding field and...

Page 41: ...values respectively NOTE SETUP Defaults are noted in parenthesis next to each function heading Details of BIOS Features Setup CPU Internal Core Speed This function is reserved for future use and is currently disabled Virus Warning Disabled This field protects the boot sector and partition table of your hard disk against acciden tal modifications Any attempt to write to them will cause the system t...

Page 42: ...ault 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 C A This field determines where the system looks first for an operating system Options are C A A CDROM C CDROM C A D A E A F A C only L...

Page 43: ...Memory 64M Disabled When using OS 2 operating systems with installed DRAM of greater than 64MB you need to set this option to Enabled otherwise leave this on Disabled Video ROM BIOS Shadow Enabled This field allows you to change the video BIOS location from ROM to RAM Relo cating to RAM enhances system performance as information access is faster than the ROM C8000 CBFFF to DC000 DFFFF Disabled The...

Page 44: ...DRAM modules you must change this item to 70ns DRAM See section III for DRAM installation information SDRAM Configuration 12ns SDRAM If your DIMM modules are all 10ns SDRAM you may set this to 10ns SDRAM SDRAM RAS to CAS Delay Auto Leave on default setting SDRAM RAS Precharge Time Auto Leave on default setting MA Wait State Auto Leave on default setting SDRAM Banks Close Policy Arbitration Leave o...

Page 45: ...sion cards can only access memory up to 16MB The default is Disabled DRAM are xx bits wide If all your DIMM memory modules have ECC chips e g 8 chips 1 ECC chip they are considered 72bits and the following will be displayed If your DIMM memory modules do not have ECC chips e g 8 chips they are considered 64bits and the following will be displayed instead Data Integrity Mode Non ECC Non ECC has byt...

Page 46: ...al mode and at a speed faster than the maximum 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 suppor...

Page 47: ...his 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 statement DEVICE ...

Page 48: ...e 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 1 Min 2 Min 4 Min 8 Min 10 Min 20 Min 30 Min 1 Hour ...

Page 49: ...utomatic 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 or at a certain time and day by selecting By Date Fan Monitor xxxxRPM The onboard hardware monitor is able to detect the Chassis Fan Speed CPU Fan Speed and the Power Supply Fan Speed in Rotations Per Minute RPM The Power Supply Fan Spee...

Page 50: ...IRQ use is 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 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 dis...

Page 51: ...hin the C800H and DFFFH address range If you have such a card and you are not using an ICU to specify its address range select a base address from 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...

Page 52: ...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 This 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 De...

Page 53: ... 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 passwor...

Page 54: ...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 55: ...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 56: ...monitor PC systems on the network within the same bridge address with the Local software installed The administrator should install both Local and Administrator Software 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...

Page 57: ...BIOS image file and requiring the user to update the whole BIOS This DMI Con figuration Utility also allows 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...

Page 58: ...s made changes ESC will prompt you to answer Y or N Enter Y to go back to the left hand screen and save enter N to go back to left hand screen and not save If editing has not been made ESC will send you back to the left hand menu without any messages Options You can save the MIFD normally only saved to flash ROM to a file by entering the drive and path here If you want to cancel save you may press...

Page 59: ...er SCSI devices working under DOS Microsoft Win dows Microsoft Windows NT Novell NetWare and IBM OS 2 These drivers pro vide higher performance than the direct BIOS support To use these drivers you must install them into your system and add them to your system configuration files Driver support for SCSI devices used with SCO UNIX is also provided These drivers are included in the second SCO UNIX f...

Page 60: ...need to change the setting to use the ASUS PCI SC200 with this motherboard JP 1 JP 2 INT A Def 1 2 3 Interrupt Settings A B C or D JP 1 JP 2 INT B 1 2 3 JP 1 JP 2 INT C 1 2 3 JP 1 JP 2 INT D 1 2 3 Terminator Requirements for SCSI Devices SCSI devices are connected together in a chain by cables Internal devices con nect to theASUS PCI SC200 orASUS PCI SC860 with a fifty pin flat ribbon cable Extern...

Page 61: ...sing it you somehow disable all your controllers or cannot enter the configuration utility pressing Ctrl A after memory count during reboot allows you to recover and reconfigure Terminator Settings for the ASUS PCI SC200 The ASUS PCI SC200 on the other hand has active termination that you must set using jumper JP5 There are two settings terminated and not terminated as shown below Terminator Setti...

Page 62: ...SCSI ID serves two purposes It uniquely defines each SCSI device on the bus It determines which device controls the bus when two or more devices try to use it at the same time SCSI IDs on one channel do not interfere with the IDs on another channel This ap plies to two SCSI host adapters that implement different buses as well as dual channels on a single host adapter You can connect up to seven SC...

Page 63: ...sing theASUS PCI L101 on anASUS motherboard leave the jumper on its defaut 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 s WOL_CON in order to utilize the wake 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 d...

Page 64: ...s 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 re...

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