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Asus P2B Mouse User Manual

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1. Hz 75MHz 83 3MHz 100 2MHz 103MHz 112MHz 133MHz CPU 33 AM 37 5MHz 41 65MHz 33 3MHz 33 4MHz 37 3MHz Ja A lt PCI Hz 4 CPU Core BUS Frequency Multiple BF0 BF1 BF2 BF3 This option sets the frequency ratio between the Internal frequency of the CPU and the CPU s External frequency These must be set in conjunction with the CPU Bus Frequency free Lael COMP PLED Pace PLUDP Pree e0ccac ANNM cecancco ANNM MAM MMM MAMAM NNM cn m emer 1 1 1 1 1 1 3 3 3 3 3 3 2 0x 2 1 2 5x 5 2 3 0X 34 35X 7 2 4 0X 4 1 45X 9 2 5 0X 5 1 Disp Prep Laer Lice Lee PIDE MMMM AMMA ANMA ANAMMA MAM MMM AMMA 1 1 1 1 3 3 3 3 zm 5 5x 11 2 6 0x 61 6 5X 13 2 7 0X 7H 7 5X 15 2 8 0X 8 1 CPU Core BUS Frequency Multiple C J HH Ha ag PERI gg Ba P CPU External Clock BUS Frequency Selection Set the jumpers by the Internal speed of your processor as follows BUS Freq Freq Ratio Intel CPU Model Freq Ratio BUSF FSO FSI FS2 BFO BF1 BF2 BE3 Pentium II 450MHz 4 5x 100MHz 1 2 1 2 1 2 1 2 2 3 1 2 2 3 Pentium II 400MHz 4 0x 100MHz l 2 1 2 1 2 2 3 2 3 1 2 2 3 Pentium II 350MHz 3 5x 100MHz 1 2 1 2 1 2 1 2 1 2 2 3 2 3 Pentium II Celerron 333MHz 5 0x 66MHz 1 2 1 2 2 3 2
2. TIP If the case mounted LED does not light try reversing the 2 pin plug P2B IDE Activity LED 28 ASUS P2B User s Manual Ill INSTALLATION 9 Chassis CPU Power Supply Fan Connectors 3 pin FAN These connectors support cooling fans of 500mA 6W or less Orientate the fans so that the heat sink fins allow airflow to go across the onboard heat sink s instead of the expansion slots Depending on the fan manufacturer the wiring and plug may be different The red wire should be positive while the black should be ground Connect the fan s plug to the board taking into consideration the polarity of the this connector NOTE The Rotation signal is to be used only by a specially designed fan with rotation signal WARNING The CPU and or motherboard will overheat if there is no airflow across the CPU and onboard heatsinks 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 Power Supply Fan R CPU Fan Power Chassis Fan Power Ju E O 540 O tc L P2B 12Volt Cooling Fan Power 10 Chassis Intrusion Alarm Lead 4 1 pin CHASIS This requir
3. C TT P2B 168 Pin DIMM Memory Sockets PADE The DIMMs must be 3 3Volt unbuffered SDRAMs To determine the DIMM type check the notches on the DIMMs see figure below 2 168 Pin DIMM Notch Key Definitions 3 3V II IL IL DRAM Key Position Voltage Key Position O Ti TL RFU Unbuffered 5 0V Reserved Buffered 3 3V The notches on the DIMM will shift between left center or right to identify the type and also to prevent the wrong type from being inserted into the DIMM slot on the motherboard You must tell your retailer the correct DIMM type before purchasing This motherboard supports four clock signals 18 ASUS P2B User s Manual Il INSTALLATION 3 Central Processing Unit CPU Your motherboard provides a Slot 1 connector for a Pentium II processor packaged in a Single Edge Contact Cartridge SECC SECC2 or a Celeron M processor pack aged in a Single Edge Processor Package SEPP i Heatsinks The recommended heatsinks see section on recommended heatsinks for Pentium H processors for more information for the boxed Pentium II and Celeron processors are those with three pin fans that can be connected to the fan connectors on the motherboard WARNING Be sure that there is sufficient air circulation across the processor s heats
4. i imi P2B Clear RTC RAM 2 Keyboard Power Up KBPWR This allows you to disable or enable the keyboard power up function Set to Enable if you want to use your keyboard by pressing lt Spacebar gt to power up your computer This feature requires an ATX power supply that can supply at least 300mA on the 5VSB lead and the new ACPI BIOS support The default is set to Disable because not all computers have the appropriate ATX power sup ply Your computer will not function if you set this to Enable and if you do not have the right ATX power supply J urrpers KBPWR i A 18 123 i Disable Enable J L P2B Keyboard Power Up ASUS P2B User s Manual 13 Ill INSTALLATION 3 CPU Bus Frequency FS0 FS1 FS2 This option tells the clock generator what frequency to send to the CPU DRAM and 440BX AGPset This allows the selection of the CPU s External frequency or BUS Clock The BUS Clock multiplied by the BUS Ratio equals the CPU s Internal fre quency the advertised CPU speed
5. 45V 1 P2B SMBus Connector ASUS P2B User s Manual Connectors 31 32 16 17 18 19 20 Al 22 Ill INSTALLATION Message LED Lead MSG LED This indicates whether a message has been received from a fax modem The LED will remain lit when there 1s no signal and blink when there is data transfer or waiting in the inbox This function requires ACPI OS and driver support SMI Suspend Switch Lead SMI This allows the user to manually place the system into a suspend mode or Green mode where system activity will be instantly decreased to save electricity and expand the life of certain components when the system is not in use This 2 pin connector see the figure below connects to the case mounted suspend switch If you do not have a switch for the connector you may use the Turbo Switch since it does not have a function SMI is activated when it detects a short to open moment and therefore leaving it shorted will not cause any problems This may require one or two pushes depending on the position of the switch ATX Power Switch Soft Power Switch PWR SW The system power is controlled by a momentary switch connected to this lead Pushing the button once will switch the system between ON and SLEEP Push ing the switch while in the ON mode for more than 4 seconds will turn the system off The system powe
6. R ad I INIHI TIU T PUM DOES oos ee pcr A AA tU NUI RUN QEFLUD ERU RUE TUBE Se UH E ET ER A A 25sen Memory DIMM sen ann breit nidi AA Pedum eaa ers DIMM Memory Installation Procedures 3 Central Processing Unit CPU emma Universal Retention Mechanism een Ia Fe ESTE SEE OT Installing the Processor ur hU RU I RAI UR REN RUE UR UK HAT Un ASUS Smart Thermal Solutions eee Recommended Heatsinks for Slot 1 Processors d EXDOHSIOBC OPUS A EET Expansion Card Installation Procedure Assigning IRQs for Expansion Cards Assigning DMA Channels for ISA Cards ISA Cards and Hardware Monitor esa 3 Bxternal Conn ere ene ee Ee lum E Power Connection Procedures errr ren auc desti d UHR DUREE IV BIOS SOFTWARE Flash Memory Writer UV seen nina t nst rie tiair n torte a euivenia hn M Managing and Updating Your Motherboard s BIOS ESI TE ee cenneaeaes Load Boc RR Standard CMOS SCD E Details of Standard CMOS Setup eeesssssss BIOS Tear SU NEC cm Details of BIOS Features Setup reen aaa ASUS P2B User s Manual 38 41 CONTENTS Chipset Features
7. allowing SB16 compatibility using Intel s PC PCI DMA and serialized IRQ protocols to AWE64D or compatible PCI audio cards e SMBus Features the System Management Bus interface which is used to physically transport commands and information between SMBus devices e PCI amp ISA Expansion Slots Provides four 32 bit PCI and three 16 bit ISA slots e Intelligence Supports Keyboard Power Up Fan Status Monitoring and Alarm Tem perature Monitoring and Alert Voltage Monitoring and Alert System Resources Alert Intel LANDesk Client Manager LDCM and ASUS PC Probe software e Super Multi I O Provides two high speed UART compatible serial ports and one parallel port with EPP and ECP capabilities UART2 can also be directed from COM2 to the Infra red Module for wireless connections e Desktop Management Interface DMI Supports DMI through BIOS which allows hardware to communicate within a standard protocol creating a higher level of compat ibility Requires DMI enabled components See section V Ultra DMA 33 Bus Master IDE Comes with an onboard PCI Bus Master IDE controller with two connectors that support four IDE devices in two channels supports UltraDMA 33 PIO Modes 3 and 4 and Bus Master IDE DMA Mode 2 and supports Enhanced IDE devices such as Tape Backup CD ROM and LS 120 drives Universal Retention Mechanism Supports a Pentium II processor packaged in a Single Edge Contact Cartridge SECC SECC2 or a Celeron pr
8. ware or software settings for your expansion card such as jumpers 2 Remove your computer system s cover and the bracket plate on the slot you intend to use Keep the bracket for possible future use Carefully align the card s connectors and press firmly Secure the card on the slot with the screw you removed above Replace the computer system s cover Bo A aA Set up the BIOS if necessary such as RO xx Used By ISA Yes in PNP AND PCI SETUP 7 Install the necessary software drivers for your expansion card i A Assigning IRQs for Expansion Cards Some expansion cards need to use an IRQ to operate Generally an IRQ must be exclusively assigned to one use In a standard design there are 16 IRQs available but most of them are already in use leaving 6 IRQs free for expansion 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 ISA cards The original ISA expansion card design now referred to as 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 the Microsoft Diagnostics MSD EXE utility located in the Win dows directory to see a map of your used an
9. A heading User Modified will appear on the right for menu items that have been modified by the user ASUS P2B User s Manual 57 2 5 E 3 F d V DESKTOP MANAGEMENT Save MIFD ASUSTEE BH Cos igurat ios Lit Edit BHI Save HIFD I Load HIET 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 ESC 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 jaf gurat ios Utility H Harch 1798 Bul if m TT FO Load BIDS Defamltsa E ee hir m DL F J uu uL r E e ERE T Se m s RN m in ee ee II UE sam cupo LI man rmm ee murmur CETT EN 3 rrr LITE Si 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 58 ASUS P2B User s Manual VI ASUS LAN Card ASUS PCI L101 Fast Ethernet Card Parts Layout dz is Eds P ISEE pe Te ri ERI ro eae pure i T P a eo ee al eae G un f La yr eg A a uR ug i PEN Ss 5 4 25 S l tA Tu ae 1 mS LE TESTE BIIIIM NL J m Tm UA UH a eir TUE LED HONES s x Eu s
10. Expansion cards can only access memory up to 16MB The default is Disabled DRAM are xx bits wide If all your DRAM modules have ECC chips e g 8 chips 1 ECC chips they are considered 72bits and the following will be displayed If your DRAM modules do not have ECC chips e g 8 chips they are considered 64 bits and the following will be displayed instead TAH ix i LH Ft blja Fiii ila 1 T TE 7 Data Integrity Mode Non ECC Non ECC has byte wise write capability but no provision for protecting data integrity in the DRAM array EC Only data errors are detected but not corrected ECC with hard ware scrubbing allows a detection of single bit and multiple bit errors and recovery of single bit errors See section III for more information on DRAM memory modules Onboard FDC Controller Enabled When Enabled this field allows you to connect your floppy disk drives to the onboard floppy disk drive connector instead of a separate controller card If you want to use a different controller card to connect the floppy disk drives set this field to Disabled ASUS P2B User s Manual 45 46 IV BIOS SOFTWARE Onboard FDC Swap A amp B No Swap This field allows you to reverse the hardware drive letter assignments of your floppy disk drives Two options are available No Swap and Swap AB If you want to switch drive letter assignments through the onboard chipset set this field to Swap AB Onboard Serial Port 1 3F8H I
11. Load TT Type BIOS Information Hamdi BOBO Ucmdor Hae Wird Sof thare Ine BIDS Uerzlon ASUS F2E LS ACPI EIDS Revision 1801 Het BIDS starting fiddress Segment Feed BIDS Build Date 83221 BS Saarani Ian ka Presa E EHTEE Tor detail rom ear ee heer SAFE EE DIES Se hi E et Aree cs tab PET phere ey AR Sh Anean Sr TT Dr ur am E Dok r tire ceri Use the amp left right cursors to move the top menu items and the TL up down cursor to move between the left hand menu items The bottom of the screen will show the available keys for each screen Press enter at the menu item to enter the right hand screen for editing Edit component appears on top The reversed color field is the current cursor position and 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 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 Notes A heading BIOS Auto Detect appears on the right for each menu item on the left side that has been auto detected by the system BIOS
12. You will then be prompted to Press F1 to continue DEL to enter SETUP ASUS P2B User s Manual 49 y 6 D D 2 gt U e 50 IV BIOS SOFTWARE PNP and PCI Setup This PNP and PCI Setup option configures the PCI bus slots All PCI bus slots on the system use INTA thus all installed PCI cards must be set to this value Te ae FH I on F r1 ST HE HS H ET LI l CE NOTE SETUP Defaults are noted in parenthesis next to each function heading Details of PNP and PCI Setup PNP OS Installed No This field allows you to use a Plug and Play PnP operating system to configure the PCI bus slots instead of using the BIOS Thus interrupts may be reassigned by the OS when Yes is selected When a non PnP OS is installed or to prevent reassign ing of interrupt settings select the default setting of No Slot 1 RIGHT IRQ to Slot 4 5 LEFT IRQ Auto These fields set how IRQ use 1s 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 displayed IRQ for each field 1s being used by a legacy non PnP ISA card Two options are available No ICU and Yes The
13. first option the default value indicates either that the displayed IRQ 1s not used or an ISA Configuration Utility ICU is being used to determine if an ISA card is using that IRQ If you install a legacy ISA card that requires a unique IRQ and you are not using an ICU you must set the field for that IRQ to Yes For example If you install a legacy ISA card that requires IRQ 10 then set IRQ10 Used By ISA to Yes ASUS P2B User s Manual IV BIOS SOFTWARE DMA x Used By ISA No ICU These fields indicate whether or not the displayed DMA channel for each field 1s being used by a legacy non PnP ISA card Available options include No ICU and Yes The first option the default setting indicates either that the displayed DMA channel is not used or an ICU is being used to determine if an ISA card is using that channel If you install a legacy ISA card that requires a unique DMA channel and you are not using an ICU you must set the field for that channel to Yes ISA MEM Block BASE No ICU This field allows you to set the base address and block size of a legacy ISA card that uses any memory segment within 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 ra
14. 3 1 2 1 2 2 3 Pentium II Celeron 300MHz 45x 66MHz 1 2 1 2 2 3 1 2 2 3 1 2 2 3 Pentium II Celeron 266MHz 4 0x 66MHz 1 2 1 2 2 3 2 3 2 3 1 2 2 3 NOTES Overclocking your processor is not recommended It may result in a slower speed 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 14 ASUS P2B User s Manual This page was intentionally left blank ASUS P2B User s Manual 15 16 This page was intentionally left blank ASUS P2B User s Manual Ill INSTALLATION 2 System Memory DIMM This motherboard uses only Dual Inline Memory Modules DIMMs Three sockets are available for 3 3Volt power level unbuffered Synchronous Dynamic Random Access Memory SDRAM of either 8 16 32 64 128 or 256MB to form a memory size between 8MB to 768MB One side with memory chips of the DIMM takes up one row on the motherboard To utilize the chipset s Error Checking and Correction ECC feature you must use a DIMM module with 9 chips per side standard 8 chips side 1 ECC chip and make the proper settings through Chipset Features Setup in IV BIOS SOFTWARE Memory speed setup is recommended through SDRAM Configuration under Chipset Features Setup IMPORTANT see General DIMM Notes below SDRAMs used must be compatible with the current Intel PC100 SDRAM specification Install memo
15. 5 Jd Tb ME ordi of eh eo M Aa ig YF T A E A SS d um tes TEX BHi DIL Es UN g sm x m E T tit k F LAN Activity Output Signal Intel Chipset ASUS Wake on LAN Output Signal um Motherboard type Other If you are using the ASUS PCI L101 on an ASUS 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 display the LAN data activity ASUS P2B User s Manual 59 60 VI ASUS LAN Card Features Intel 82558 Ethernet LAN Controller Fully integrated IOBASE T 100BASE TX Wake On LAN Remote Control Function Supported PCI Bus Master Complies to PCI Local Bus Rev 2 1 specifications Consists of MAC amp PHY 10 100Mbps interfaces Complies to IEEE 802 3 IOBASE T and IEEE 802 3u I00BASE TX interfaces Fully supports IOBASE T amp 1OOBASE TX operations through a single RJ45 port Supports 32 bit Bus Master Technology PCI Rev 2 1 Enhancements on ACPI amp APM Adheres to PCI Bus Power Management Interface Rev 1 0 ACPI Rev 1 0 and Device Class Power Management Rev 1 0 IEEE 802 3u auto negotiation for 10Mbps 100Mbps Network Data Transfer Rates Provides LED
16. DS Es 1 Jumpers WARNING Computer motherboards and expansion cards contain very delicate Integrated Circuit IC chips To protect them against damage from static electric ity you should follow some precautions whenever you work on your computer Unplug your computer when working on the inside Use a grounded wrist strap before handling computer components If you do 2 not have one touch both of your hands to a safely grounded object or to a metal object such as the power supply case Hold components by the edges and try not to touch the IC chips leads or connectors or other components Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system 12 ASUS P2B User s Manual Ill INSTALLATION Jumper Settings 1 Clear Real Time Clock RTC RAM CLRTC The CMOS RAM is powered by the onboard button cell battery To clear the RTC data 1 Turn off your computer and unplug your AC power 2 Short the two points labeled CLRTC 3 Turn on your computer 4 Hold down Delete during bootup and enter BIOS setup to re enter user preferences n Short small solder points to clear CMOS J B CLRTC
17. 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 then select the drive type using the left or right arrow keys Floppy 3 Mode Support Disabled This is the Japanese standard floppy drive The standard stores 1 2MB in a 3 5inch diskette This is normally disabled but you may choose from either Drive A Drive B Both and Disabled Video EGA VGA set this field to the type of video display card installed in your system The options are EGA VGA CGA 49 CGA 80 and Mono for Hercules or MDA If you are using a VGA or any higher resolution card choose EGA VGA Halt On All Errors This field determines which types of errors will cause the system to halt Choose from All Errors No Errors All But Keyboard All But Diskette and All But Disk Key ASUS P2B User s Manual IV BIOS SOFTWARE BIOS Features Setup This BIOS Features Setup option consists of configuration entries that allow you to improve your system performance or let you set up some system features accord ing to your preference Some entries are required by the motherboard s design to remain in
18. Motherboard s BIOS Upon First Use of the Computer System 1 Create a bootable system floppy disk by typing FORMAT A S from the DOS prompt without creating AUTOEXEC BAT and CONFIG SYS files 2 Copy AFLASH EXE to the just created boot disk 3 Run AFLASH EXE from this new disk and select option 1 Save Current BIOS to File See 1 Save Current BIOS To File on the previous page for more de tails and the rest of the steps Updating BIOS Procedures only when necessary 1 Download an updated ASUS BIOS file from the Internet WWW or FTP or a BBS Bulletin Board Service see ASUS 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 AN prompt type AFLASH and then press Enter 4 Atthe 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 encounter problems while updating the new BIOS DO NOT turn off your system since this might prevent your system from booting up Just repeat the process and if the problem still persists update the original BIOS file you saved to disk above If the Flash Memory Writer utility was not able to successfully update a complete BIOS file your system may not be able to boot up If this happens your system will need service 36 ASUS P2B User s Manual IV BIOS SOFTWARE 6 B
19. SEPI 44 Details of Chipset Features Setup torneo rne 44 Power Manasement Setup sena nana naaa nE NEER 47 Details of Power Management Setup eeeesss 47 PNP 3nd POISED sree cerence sea acpssies A IUE UU UN UNTEN 50 Details of PNP and PCI Setup npe iut ivi tir rM 50 Load BIOS DCL AG nn sxeteencecteeteaseenaenaucnhantes 2 Load setup DAN M 52 Supervisor Password and User Password 53 IDE HDD Auto ST CUO naaa 54 I si M 29 Exit Ny EU OUG IN Pen otic a in E rto Item eU EUN 55 V DESKTOP MANAGEMENT 56 Desktop Management Interface DMI eeessssss 56 Introducing the ASUS DMI Configuration Utility 56 System Requirements nt te TET I drea aaa nanah 56 Using the ASUS DMI Configuration Utility 57 Using the ASUS DMI Configuration Utility ai VI ASUS LAN Card 59 ASUS PCELIOLFast Ethernet Cati nn nn nana 50 P Sr BRUST RE TERRENCE 60 Software Driver SupDOPE sucnmestecat tier mien TIe kaninn erian t EEEak 60 Question and Answer see era rare nennen aran hene nennen nenas 60 ASUS P2B User s Manual FCC amp DOC COMPLIANCE Federal Communications Commission Statement This device complies with FCC Rules Part 15 Operation is subject to the following two conditions This device may not cause harmful interference and e
20. The onboard BIOS will detect as many system information as possible and store those collected information in a 4KB block in the motherboard s Flash EPROM and allow the DMI to retrieve data from this database Unlike other BIOS software the BIOS on this motherboard uses the same technology implemented for Plug and Play to allow dynamic real time updating of DMI information versus creating a new 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 MIFD This DMI Configuration Utility provides the same reliability as PnP updat ing and will prevent the refreshing failures associated with updating the entire BIOS System Requirements The DMI Configuration Utility DMICFG2 EXE must be used in real mode in order for the program to run the base memory must be at least 180K Memory ASUS P2B User s Manual V DESKIOP MANAGEMENT Using the ASUS DMI Configuration Utility NOTE The following screen displays are provided as examples only and may not reflect the screen contents on your system Edit DMI or ST TEE BHI Coari gurati cm Wild ty HEU1 3 March 139 Dad EID Defasltsl TT Edit BHI re FO
21. USB p 28 Universal Serial BUS Ports 1 amp 2 two 4 pin female 7 Primary Secondary IDE p 28 Primary Secondary IDE Connector 40 pin blocks 8 IDELED p 28 IDE LED Activity Light 2 pins 9 CHA PWR CPU FAN p 29 Chassis Power Supply CPU Fan Power Lead 3 pin block 10 CHASIS p 29 Chassis Intrusion Alarm Lead 4 1 pins 11 IR p 30 Infrared Port Module Connector 5 pins 12 ATXPWR p 30 ATX Motherboard Power Connector 20 pin block 13 WOL CON p 31 Wake on LAN Connector 3 pins 14 SBLINK p 31 SB Link M Connector 6 1 pins 15 SMB p 31 SMBus Connector 5 1 pins 16 MSG LED PANEL p 32 System Message LED 2 pins 17 SMI PANEL p 32 SMI Switch Lead 2 pins 18 PWR SW PANEL p 32 ATX Power amp Soft Off Switch Lead 2 pins 19 RESET PANEL p 32 Reset Switch Lead 2 pins 20 PWR LED PANEL p 32 System Power LED Lead 3 pins 21 KEYLOCK PANEL p 32 Keyboard Lock Switch Lead 2 pins 22 SPEAKER PANEL p 32 Speaker Output Connector 4 pins The onboard hardware monitor uses the address 290H 297H so legacy ISA cards must not use this address otherwise conflicts will occur ASUS P2B User s Manual 11 Ill INSTALLATION Installation Steps Before using your computer you must complete the following steps Set Jumpers Install Memory Modules Install the Central Processing Unit CPU Install Expansion Cards Connect Ribbon Cables Cabinet Wires and Power Supply Setup the BIOS Software SS D
22. acts as the master control for the power management modes Max Saving puts the system into power saving mode after a brief period of system inactivity Min Saving is almost the same as Max Saving except 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 statement DEVICE C DOS POWER EXE in you CONFIG SYS For Windows 3 x and Win dows 95 you need to install Windows with the APM feature A battery and power cord icon labeled Power will appear in the Control Panel Choose Advanced in the Power Management Field Video Off Option Suspend gt Off This field determines when to activate the video off feature for monitor power manage ment The settings are Suspend gt Off and Always On ASUS P2B User s Manual 47 4 IV BIOS SOFTWARE Video Off Method DPMS OFF This field defines the video off features The following options are available DPMS OFF DPMS Reduce ON Blank Screen V H SYNC Blank DPMS Standby and DPMS Suspend The DPMS Display Power Management System features allow the BIOS to control the video display card if 1t supports the DPMS feature Blank S
23. connector The four corners of the connectors are labeled on the motherboard Pin 1 1s the side closest to the power connector on hard drives and floppy drives IDE ribbon cable must be less than 46cm 181n with the second drive connec tor no more than 15cm 6in from the first connector 1 PS 2 Keyboard Connector 6 pin Female This connection is for a standard keyboard using an PS 2 plug mini DIN This connector will not allow standard AT size large DIN keyboard plugs You may use a DIN to mini DIN adapter on standard AT keyboards PS 2 Keyboard 6 pin Female OOO ASUS P2B User s Manual Ill INSTALLATION 3 Parallel Port Connector 25 pin Female You can enable the parallel port and choose the IRQ through Onboard Parallel Port in Chipset Features Setup of the BIOS SOFTWARE NOTE Serial print ers must be connected to the serial port Parallel Printer Port 25 pin Female Connectors ASUS P2B User s Manual 27 Ill INSTALLATION 6 Universal Serial BUS Ports 1 amp 2 Two 4 pin Female Two USB ports are available for connecting USB devices N N ooocooooooo0o0000 l4 OOOOOOOOOOOO O cid Joop oj O Sus Neo Universal Serial Bus USB 2 7 Primary Secondary IDE Connectors Two 40 1pin IDE These connectors support the provided IDE hard disk ribbon cable After connect ing the single end to the board connect the two plugs at the other end to
24. create this file please refer to the MS DOS manual Hard Disks This field records the specifications for all non SCSI hard disk drives installed in your system The onboard PCI IDE connectors provide Primary and Secondary channels for connecting up to four IDE hard disks or other IDE devices Each chan nel can support up to two hard disks the first of which 1s the master and the second is the slave Specifications for SCSI hard disks need not to be entered here since they operate using device drivers and are not supported by any the BIOS If you install either the optional PCI SC200 or PCI SC860 SCSI controller card into the motherboard see section 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 vou can e Use the Auto setting for detection during bootup e 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 hard disk type include CYLS number of cylinders HEAD number of read write heads PRECOMP write precompensation LANDZ landing zone SECTOR number of sectors and MODE The SIZE field auto matically adjusts according to the configuration you specify The documentation that comes with your hard disk should provide you with the informat
25. oc PCI Slot 1 Multi I O CR2032 3V iu Lithium Cell P BIOS Power PCI Slot 2 CLRTC PCI SI vores Intel PIIX4E Tl Sau PClset JTPWR N O Sm Oo C D DL C W Li r ed SI lu weet PCI Slot 4 BUS FREQ E m m m Br2 m m m Br m m m Bro B ISA Slot 1 ASUS ASIC Hardware Monitor ya as E Infrared Connector m m m m oOmgooo IDE LED SMB Connector ISA Slot 3 HAHAHA AN Panel Connectors 10 ASUS P2B User s Manual Ill INSTALLATION umpers 1 CLRIC p 13 Clear Real Time Clock RTC RAM Short Clear CMOS 2 KBPWR p 13 Keyboard Power 3 FSO FS1 FS2 p 14 CPU External Clock BUS Frequency Selection 4 BFO BF1 BF2 BF3 p 14 CPU Core BUS Frequency Multiple Expansion Slots Sockets 1 System Memory p 17 System Memory Support 2 DIMM Sockets p 18 DIMM Memory Module Support 3 CPU Slot 1 p 19 Pentium II Celeron CPU Support 4 SLOTLSLOT2 SLOT3 p 24 16 bit ISA Bus Expansion Slots 5 PCH PCI2 PCI3 PCI4 p 24 32 bit PCI Bus Expansion Slots 60 AGP p 25 Accelerated Graphics Port Hardware Monitor 1 JTPWR JTCPU p 23 Thermal Sensor Connector Connectors B 1 PS2KBMS p 26 PS 2 Keyboard Connector 6 pin female 3 2 PS2KBMS p 26 PS 2 Mouse Connector 6 pin female 3 PARALLEL p 27 Parallel Printer Port Connector 25 pin female 4 COMI COM2 p 27 Serial Port COMI amp COM2 two 9 pin male D E 5 FLOPPY p 27 Floppy Drive Connector 34 pin block 6
26. to a bootable floppy disk To save your current BIOS type 1 at the Main Menu and then press Enter The Save Current BIOS To File screen appears Type a filename and the path for example A 440BX 1 and then press Enter ASUS P2B User s Manual IV BIOS SOFIWARE 2 Update BIOS Including Boot Block and ESCD This option updates the boot block the baseboard BIOS and the ACPI extended system con figuration data ESCD parameter block from a new BIOS file See the next page for proce dures on downloading an updated BIOS file o update your current BIOS MI M ADLM Black aed ESCH type 2 at the Main Menu and then press Enter The Update Ganaan a aaa BIOS Including Boot Block ib wur erii ars n E AE ia and ESCD screen appears Type the filename of your new BIOS and the path for example A BX211002 AWD and then press Enter When prompted to confirm the TEIG TEPEETE BIOS update press Y to start the update The utility starts to program the TP new BIOS information into the flash ROM When the program ming 1s finished Flashed Suc cessfully will be displayed Follow the onscreen instructions to continue nu LAIT LAJE MAMINY BEI VE P Did te Pl HFuTEN iH You kr Plewbed tee EPROM L is a a STEM gee fers NS i Pr enber SETUP aad LORD Xr lup L AN BEL TT T LTE peated uilh gen FIL E Sails Prana ERI ASUS P2B User s Manual 35 IV BIOS SOFTWARE Managing and Updating Your
27. to reject the presented settings and enter the correct ones manually from the Standard CMOS Setup screen oave amp 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 amp Exit Setup option on the main screen type Y and then press Enter ROH PCT IS BIOS D OLAS SETUP UTIL ET AWARD SOP THREE IMC STANDARD CHOS SETUP SUPERVISOR PASSYORD als FEATURES SETIN EER PASSHORD AMIPSET FEATURES SETUF IDE HDD AUTO DETECTION THER HARAGEKEMT SETUP SAWE amp EXIT SETUP HP AND PCI SETUP SAYING SHE to CHUS and EXIIT YZH 7 F DAD BIOS DEFAULT UNG SETUP DUEFHULTS nam VN Shit iF Exit Without Saving Select this option to exit the Setup utility without saving the modifications you specify during the current session To exit without saving highlight the Exit Without Sav ing option on the main screen and then press Enter ASUS P2B User s Manual 55 56 V DESKTOP MANAGEMENT Desktop Management Interface DMI Introducing the ASUS DMI Configuration Utility This motherboard supports DMI within the BIOS level and provides a DMI Con figuration Utility to maintain the Management Information Format Database MIFD DMI is able to auto detect and record information pertinent to a computer s system such as the CPU type CPU speed and internal external frequencies and memory size
28. your hard disk s If you install two hard disks you must configure the second drive to Slave mode by setting its jumper accordingly Refer to the documentation of your hard disk for the jumper settings BIOS now supports SCSI device or IDE CD ROM bootup see HDD Sequence SCSI IDE First amp Boot Sequence in the BIOS Features Setup of the BIOS SOFTWARE Pin 20 is removed to prevent in serting in the wrong 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 one operating system on an IDE drive and an other on a SCSI drive and select the boot disk through BIOS Features Setup n NOTE Orient the red stripe to PIN 1 PIN 1 Secondary IDE Connector TO s Primary IDE Connector P2B IDE Connectors 8 IDE DeviceActivity LED 2 pin IDELED This connector supplies power to the cabinet s IDE device activity LED Read and write activity by devices connected to the Primary or Secondary IDE con nectors will cause the LED to light up
29. 16 compatibility to AWE64D Digital or other PCI audio cards enabling users to play Real mode DOS games and multimedia applications SB Link acts as a bridge between the motherboard and the PCI audio card by providing the DMA and IRQ signals present in the ISA bus but not available on the PCI bus ie PC PCI Grant Sideband Signal DGND PC PCI Request Sideband Signal DGND Serial IRQ EG J SBLINK js NOTE Pin 3 is removed to ensure the correct orientation of the cable on it P2B SB Link Connector 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 System Management Bus is a specific implementation of an PC bus which is a multi master bus that is multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer 1 Cn a SMBCLK n E Ground SMBDATA
30. 2 connector it will no longer work if you enable the infrared feature By default this field is set to Disabled which leaves the second serial port UART to support the COM2 serial port connector See IrDA compliant infrared module connector under section III Onboard PCI IDE Enable Both You can select to enable the primary IDE channel secondary IDE channel both or disable both channels for systems with only SCSI drives IDE Ultra DMA Mode Auto This field autodetects Ultra DMA capability for improved transfer speeds and data in tegrity for compatible IDE devices Set to Disable to suppress Ultra DMA capability IDE 0 Master Slave PIO DMA Mode IDE 1 Master Slave PIO DMA Mode Auto Each channel 0 and 1 has both a master and a slave making four IDE devices possible Because each IDE device may have a different Mode timing 0 1 2 3 4 it is necessary for these to be independent The default setting of Auto will allow autodetection to ensure optimal performance ASUS P2B User s Manual IV BIOS SOFIWAHRE Power Management Setup This Power Management Setup option allows you to reduce power consumption This feature turns off the video display and shuts down the hard disk after a period of inactivity Mi POLY Se HE D ea iu EMI PEN Mati SF HSH i HI NOTE SETUP Defaults are noted in parenthesis next to each function heading Details of Power Management Setup Power Management User Define This field
31. 2 is directed for use with COM2 or IrDA Use the five pins as shown on the Back View and connect a ribbon cable from the module to the motherboard according to the pin definitions Front View Back View J 1 GND FIRRX For the infrared feature to be available you must connect the optional Infrared IrDA module to the motherboard P2B Infrared Module Connector 12 ATX Power Supply Connector 20 pin ATXPWR This connector connects to a ATX power supply The plug from the power sup ply will only insert in one orientation because of the different hole sizes Find the proper orientation and push down firmly but gently making sure that the pins are aligned o0 Oo 2 LC suu EN ail In 45 0 Volts Ground amp PWR Supply On E Ground Power Good E 5 0 Volts 5 0 Volts 10 Y P2B ATX Power Connector Ground L Ground 5 0 Volts L Ground Ground 3 3 Volts E 12 0
32. 302 Release Date November 1998 ASUS P2B User s Manual ASUS CONTACT INFORMATION ASUSTeK COMPUTER INC Marketing Address 150 Li Te Road Peitou Taipei Taiwan 112 Telephone 886 2 2894 3447 Fax 86 2 2894 3449 Email info asus com tw Technical Support Fax 886 2 2895 9254 BBS 886 2 2896 4667 Email tsd asus com tw WWW www asus com tw FTP ftp asus com tw pub ASUS ASUS COMPUTER INTERNATIONAL Marketing 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 WWNW 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 com tw Technical Support Hotline 49 2102 499712 BBS 49 2102 448690 Email tsd ger asus com tw WWW WWwW asuscom de FTP ftp asuscom de pub ASUSCOM ASUS P2B User s Manual CONTENTS I INTRODUCTION How this Manual is Organized SFISPRO DUE FLU FODU DE Teu C Bee KHS nn E E EE E II FEATURES Features of the ASUS P2B Motherboard eene The ASUS P2B Motherboard eere III INSTALLATION Layout of the ASUS P2B Motherboard ee aaa Installation Sie S eese
33. DMA Channels for ISA Cards Some ISA cards 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 assignment process described earlier You can select a DMA channel in the PCI and PnP configuration section of the BIOS Setup utility IMPORTANT To avoid conflicts reserve the necessary IRQs and DMAs for legacy ISA cards under PNP AND PCI SETUP of the BIOS SOFTWARE choose Yes in JRO xx Used By ISA and DMA x Used By ISA for those IRQs and DMAs you want to reserve DMA Channels ISA Cards and Hardware Monitor The onboard hardware monitor uses the address 290H 297H so legacy ISA cards must not use this address or else conflicts will occur Accelerated Graphics Port This motherboard provides an accelerated graphics port AGP slot to support a new generation of graphics cards with ultra high memory bandwidth such as an ASUS 3D Hardware Accelerator P2B Accelerated Graphics Port AGP ASUS P2B User s Manual 25 26 5 External Connectors IMPORTANT Ribbon cables should always be connected with the red stripe on the Pin 1 side of the
34. IOS Setup The motherboard supports two programmable Flash ROM chips 5 Volt and 12 Volt Either of these memory chips can be updated when BIOS upgrades are re leased Use the Flash Memory Writer utility to download the new BIOS file into the ROM chip as described in detail in this section All computer motherboards provide a Setup utility program for specifying the sys tem configuration and settings If your motherboard came in a computer system the proper configuration entries may have already been made If so invoke the Setup utility as described later and take note of the configuration settings for future refer ence in particular the hard disk specifications If you are installing the 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 to call up the Setup utility If you are a little bit late pressing the mentioned key s POST will continue With its test routines thus preventing you from calling up Setup If you still need to call Setup reset the system by pressing Ctrl Alt Delete or by pressing the Reset button on the system case You can also restart by turni
35. JDU P2B Pentium I Motherboard USER S MANUAL USER S NOTICE No part of this manual including the products and software described in it may be repro duced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means except documentation kept by the purchaser for backup purposes without the express written permission of ASUSTeK COMPUTER INC ASUS ASUS PROVIDES THIS MANUAL AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PAR TICULAR PURPOSE IN NO EVENT SHALL ASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDEN TAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSI NESS 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 Product warranty or service will not be extended if 1 the product is repaired modified or altered unless such repair modification of alteration is authorized in writing by ASUS or 2 the serial number of the product is defaced or missing Products and corporate names appearing in this manual may or may not be registered trade marks or copyrights of their respective companies and are used only for identification or explana
36. RQ4 Settings are JFSH IRO4 2FSH IRQ3 3ESH IRQ4 2ESH IRQIO and Disabled for the onboard serial connector Onboard Serial Port 2 2F8H IRQ3 Settings are 3FSH IRO4 2FSH IRQ3 3ESH IRQ4 2ESH IRQ 10 and Disabled tor the onboard serial connector Onboard Parallel Port 378H IRQ7 This field sets the address of the onboard parallel port connector You can select either 3BCH IRQ 7 37SH IRQ 7 27SH IRQ 5 Disabled If you install an I O card with a parallel port ensure that there 1s no conflict in the address assignments The PC can support up to three parallel ports as long as there are no conflicts for each port Parallel Port Mode ECP EPP This field allows you to set the operation mode of the parallel port The setting Normal allows normal speed operation but in one direction only EPP allows bidi rectional parallel port operation at maximum speed ECP allows the parallel port to operate in bidirectional 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 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 connector on the motherboard If your system already has a second serial port connected to the onboard COM
37. S battery weakens PCL Te MIL T IHMUIHEI HES MHSTI SE HSR Uai mair py mm mim gt Hee UCHR i I laara Hesir F FL The preceding screen provides you with a list of options At the bottom of this screen are the control keys for this screen Take note of these keys and their respective uses User configurable fields appear in a different color If you need information on the selected field press F1 The help menu will then appear to provide you with the information you need The memory display at the lower right hand side of the screen is read only and automatically adjusts accordingly Details of Standard CMOS Setup Date To set the date highlight the Date field and then press either Page Up Page Down or lt gt lt gt to set the current date Follow the month day and year format Valid values for month day and year are Month 1 to 12 Day 1 to 31 Year up to 2079 ASUS P2B User s Manual IV BIOS SOFTWARE Time To set the time highlight the Time field and then press either Page Up gt lt Page Down or lt gt lt gt to set the current time Follow the hour minute and second format Valid values for hour minute and second are Hour 00 to 23 Minute 00 to 59 Second 00 to 59 Press Enter twice if you do not want to modify the current time NOTE You can bypass the date and time prompts by creating an AUTOEXEC BAT file For information on how to
38. This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installa tion This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with manufacturer s instructions may cause harmful interference to radio communications However there 1s no guarantee that interference will not occur in a particular 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 1s encouraged to try to correct the inter ference by one or more of the following measures e Re orient or relocate the receiving antenna Increase the separation between the equipment and receiver e Connect the equipment to an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help WARNING The use of shielded cables for connection of the monitor to the graphics card 1s required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s author
39. Volts 3 3 Volts E 3 3Volts Ground 5 0 Volts 12 0Volts 5V Standby IMPORTANT Make sure that your ATX power supply can supply at least 10mAmp on the 5 volt standby lead SVSB You may experience difficulty in powering on your system if your power supply cannot support the load For Wake on LAN support your ATX power supply must supply at least 720mA 30 ASUS P2B User s Manual 13 14 15 Ill INSTALLATION Wake on LAN Connector 3 pin WOL CON The WOL_CON connector powers up the system when a wakeup packet or signal is received from the network through the ASUS PCI L101 LAN card see section VII ASUS LAN Card IMPORTANT This feature requires that the WAKE On LAN Power Up Control is set to Enabled see Power Management Setup under IV BIOS SOFTWARE and that your system has an ATX power supply with at least 720mA 5V standby power 5VSB G d a No Connection aoa J i iml P2B Wake on LAN Connector SB Link Connector 6 1 pin SBLINK Using Intel s PC PCI DMA and serialized IRQ protocols found in this motherboard s AGPset this connector allows Sound Blaster
40. all an auxiliary fan to provide adequate circulation across the processor s passive heatsink 3 Insert the SECC SECC2 SEPP SECC with Pentium II only Push the SECC s two locks inward until you hear a click the picture in step 2 shows the locks in the outward position and inward in the picture below With the heatsink facing the motherboard s chipset push the SECC SECC2 or SEPP gently but firmly into the Slot 1 connector until it is fully inserted gt gt gt Su l 4 Secure the SECC SECC2 SEPP Secure the SECC SECC2 SEPP in place by pushing the SECC SECC2 SEPP until it is firmly seated on the Slot connector SECC with Pentium II only The SECC locks should be outward when se cured so that the lock shows through the retention mechanism s lock holes 5 Attach the Thermal Sensor Cable optional If you purchased an ASUS Smart Fan ASUS S P2FAN with an integrated thermal sensor cable ASUS P2T Cable or purchased separately the P2T Cable you can connect the thermal sensor cable to your motherboard s thermal sensor connector See next page for information on ASUS Smart Thermal Solutions ASUS P2B User s Manual 21 e U 22 Ill INSTALLATION ASUS Smart Thermal Solutions ASUS provides two smart solutions to Slot 1 CPU thermal problems the ASUS Smart Fan or ASUS S P2FAN and the ASUS P2T Cable ASUS S P2FAN Thermal Sensor JT xU Fan Cable The optional ASUS Smart F
41. an or Cable E ASUS S P2FAN is a CPU fan for a Pentium II processor packaged in an SECC Unlike other CPU thermal solutions the ASUS S P2FAN has an integrated thermal sensor located near the center of m CPU heat source The sensor 1s optimized by ASUS to give the most accurate reading of the CPU tempera ture thus provides the best protection to your computer system Rock Arm To Use the ASUS S P2FAN 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 ASUS P2T Cable The optional ASUS P2T Cable can be used for a Pentium II processor pack aged in an SECC SECC2 or a Celeron processor packaged in an SEPP Sensor Sensor Connector Plug NOTE The ASUS P2T Cable can only be used in a Slot 1 motherboard with a 2 pin thermal sensor connector To Use the ASUS P2T Cable NOTE The following procedures assume that you have properly attached a heatsink onto an SECC SECC2 SEPP 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 ASUS P2B User s Manual Ill INSTALLATION Tab Sensor IMPORTANT ASUS guarantees accurate readings only for the ASUS Smart Fan and the Intel boxed processor heatsink with fan because b
42. creen only blanks the screen use this for monitors without power management or oreen features If set up in your system your screen saver will not display with Blank Screen selected VVH SYNC Blank blanks the screen and turns off vertical and horizontal scanning PM Timers This section controls the time out settings for the Power Management scheme The fields included in this section are HDD Power Down which places the hard disk into its lowest power consumption mode and the Doze Standby and Suspend sys tem inactivation modes The system automatically wakes up from any power saving mode when there 1s system activity such as when a key is pressed 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 5 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 50 sec 1 Min 2 Min 4 Min 8 Min 20 Min 30 Min 40 Min 1 Hour and Disable Power Up Control This section determines the ways the system can be controlled when it is started or restarted when modem activity is detected or when power to the computer is inter rupted and reapplied The Soft Off mode refers to powering off the system through a momentary button switch ATX switch or through t
43. d ing a wake up frame or signal With this feature you can remotely upload download data to from systems during off peak hours Set to Enabled to set this feature IMPORTANT This feature requires the ASUS PCI L101 LAN Card see VII ASUS 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 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 These values refresh upon any key entries in the BIOS setup screen Set to Ignore if one of these are not used so that error messages will not be given Thermal Monitor xxxC xxxF The onboard hardware monitor 1s able to detect the CPU and MB motherboard tem peratures These values refresh upon key entries Set to enore only if necessary Voltage Monitor xx xV The onboard hardware monitor is able to detect the voltages put out by the voltage regulators These values refresh upon key entries Set to gnore only 1f necessary NOTE If any of the monitored items are out of range an error message will appear Hardware Monitor found an error enter POWER MANAGEMENT SETUP for details
44. d 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 double click the System icon under the Control Panel program Ensure that no two devices share the same IRQs or your computer will experience problems when those two devices are in use at the same time 24 ASUS P2B User s Manual Ill INSTALLATION To simplify this process this motherboard complies with the Plug and Play PnP specification which was developed to allow automatic system configuration when ever a PnP compliant card 1s added to the system For PnP cards IRQs are assigned automatically from those available If the system has both legacy and PnP ISA cards installed IRQs are assigned to PnP cards from those not used by legacy cards The PCI and PNP configuration section of the BIOS setup utility can be used to assign which IRQs are being used by legacy cards For older legacy cards that do not work with the BIOS you may contact your vendor for an ISA Configuration Utility An IRQ number is automatically assigned to PCI expansion cards after those used by legacy and PnP ISA cards In the PCI bus design the BIOS automatically assigns an IRQ to a PCI slot that contains a card requiring an IRQ To install a PCI card you need to set the INT interrupt assignment Since all the PCI slots on this mother board use an INTA set the jumpers on your PCI cards to INT A Assigning
45. drive Boot Sequence A C This field determines where the system looks first for an operating system Options are A C ALCDROM C CDROM C A D A E A EA C only LS ZIP C and CA The setup default setting 1s to check first the floppy disk and then the hard disk drive that 1s A C Boot Up Floppy Seek Disabled When enabled the BIOS will seek drive A once Floppy Disk Access Control R W This allows protection of files from the computer system to be copied to floppy disks by allowing the setting of Read Only to only allow reads from the floppy disk drive but not writes The setup default R W allows both reads and writes IDE HDD Block Mode Sectors HDD MAX This field enhances hard disk performance by making multi sector transfers instead of one sector per transfer Most IDE drives except older versions can utilize this feature Selections are HDD MAX Disabled 2 4 6 16 and 32 ASUS P2B User s Manual IV BIOS SOFIWAHRE Security Option System When you specify a Supervisor Password and or User Password explained later in this section the Security Option field determines when the system prompts for the password The default setting is System where the system prompts for the User Password every time you start your system The other option is Setup where the system goes through its startup routine unless the Setup utility 1s called when the system prompts for the Supervisor Password PS 2 Mouse Function Control A
46. ed for the demanding PC user who wants ad vanced features processed by the fastest CPU e Multi Speed Supports Intel Pentium II 233 to 450MHz and Celeron 266MHz and faster processors e Multi Cache Supports processors with or without Pipelined Burst Level 2 cache Intel AGPset Features Intel s 440BX AGPset with I O subsystems and front side bus FSB platform which boosts the traditional 66 MHz internal bus speed to 100MHz e Enhanced ACPI and Anti Boot Virus BIOS Features a programmable BIOS offering en hanced ACPI for Windows 98 compatibility built in hardware based virus protection through Trend ChipAway Virus and autodetection of most devices for virtually automatic setup e PC100 Memory Support Equipped with three DIMM sockets to support Intel PC100 compliant SDRAMs 8 16 32 64 or 128MB up to 384MB These new SDRAMs are necessary to meet the enhanced 100MHz bus speed requirement Thermal Sensor Connector with Optional Sensor Accurately detects the CPU temperature of processors with the ASUS Smart Fan or the Intel boxed proces sor heatsink with fan when connected to an ASUS PZT Cable e Wake On LAN Supports Wake On LAN activity with special network cards such as the ASUS PCI L101 10 100 Fast Ethernet PCI card AGP Slot Supports Accelerated Graphics Port cards for high performance component level interconnect targeted at 3D graphical display applications S B Link Features Creative s SB Link
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48. es an external detection mechanism such as a chassis intrusion moni tor sensor or microswitch The sensor is triggered when a high level signal is sent to the CHASIS lead This occurs when the side panel 1s opened or drive bay doors are opened Connectors NOTE When the chassis is opened connect short the Chassis Signal pin to the 5VSB pin When the chassis is opened connect short the Chassis Signal pin to d the Ground pin G 5VSB oH Chassis Signal i D Ground P2B Chassis Intrusion Alarm Lead ASUS P2B User s Manual 29 Ill INSTALLATION 11 IrDA Compliant Infrared Module Connector 5 pin IR This connector supports the optional wireless transmitting and receiving infrared module This module mounts to a small opening on system cases that support this feature You must also configure the setting through UART2 Use Infrared in Chipset Features Setup to select whether UART
49. he software as opposed to disconnecting the AC power by way of a rocker switch or other means PWR Button 4 Secs Soft Off When set to Soft Off the ATX switch can be used as a normal system power off button when pressed for less than 4 seconds Suspend allows the button to have a dual function where pressing less than 4 seconds will place the system in sleep mode No Function disables the ATX switch function when the button 1s pressed under 4 seconds Regardless of the setting holding the ATX switch for more than 4 seconds will power off the system ASUS P2B User s Manual IV BIOS SOFTWARE PWR Up On Modem Act Enabled This allows either settings of Enabled or Disabled for powering up the computer turns the ATX power supply on when the modem receives a call while the computer is Soft Off NOTE The computer cannot receive or transmit data until the computer and appli cations 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 initializa tion string that will also cause the system to power on AC PWR Loss Restart Disabled This allows you to set whether you want your system to boot up after the power has been interrupted Disabled leaves your system off after reapplying power and En abled boots up your system after reapplying power Wake On LAN Enabled This allows you to remotely power up your system through your network by sen
50. his controls the idle clocks before closing an opened SDRAM page Leave on default setting SDRAM MA Wait State Normal This controls the leadoff clocks for CPU read cycles Leave on default setting Snoop Ahead Enabled Enabled will allow PCI streaming Leave on default setting Host Bus Fast Data Ready Enabled Leave on default setting 16 bit I O Recovery Time 1 BUSCLK 8 bit I O Recovery Time 1 BUSCLK Timing for 16 bit and 8 bit ISA cards respectively Leave on default setting ASUS P2B User s Manual IV BIOS SOFTWARE Graphics Aperture Size 64MB Memory mapped graphics data structures can reside in a Graphics Aperture Leave on default setting Video Memory Cache Mode UC USWC uncacheable speculative write combining is a new cache technology for the video memory of the processor It can greatly improve the display speed by caching the display data You must leave this on the default setting of UC uncacheable if your display card cannot support this feature or else your system may not boot PCI 2 1 Support Enabled This function allows you to enable or disable PCI 2 1 features including passive release and delayed transaction Leave Enabled default setting for PCI 2 1 compliancy Memory Hole At 15M 16M Disabled Enabling this feature reserves 15MB to 16MB memory address space to ISA expan sion cards that specifically require this setting This makes the memory from 15MB and up unavailable to the system
51. indicators for monitoring network conditions Plug and Play Software Driver Support NetWare ODI Drivers 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 A What 1s Wake On LAN 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 remotely uploading downloading data to from systems during off peak hours will be feasible What can Wake On LAN do for you Wake On LAN is a remote management tool with advantages that can reduce system management workload provide flexibility to the system administrator s job and then of course save you time consuming efforts and costs What components does Wake On LAN require to be enable To enable Wake On LAN function your system requires Ethernet LAN adapter card that can activate Wake On LAN function a client with Wake On LAN capa bility and software such as LDCM Rev 3 10 or up that can trigger wake up frame ASUS P2B User s Manual This page was intentionally left blank ASUS P2B User s Manual 61 62 This page was intentionally left blank ASUS P2B User s Manual This page was intentionally left blank ASUS P2B User s Manual 63 64 This page was intentionally l
52. ink 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 ASUS P2B User s Manual 19 Ill INSTALLATION Installing the Processor 1 Unlock the URM s Folding Support Arms The folding support arms of the URM are locked when shipped The URM is now ready for the installation of your processor Unlocked Folding Support Arms 2 Attach the Heatsink NOTE Follow carefully the heatsink attachment instructions included with your heatsink or processor The following steps are provided only as a general guide and may not reflect those for your heatsink E 2 SECC with Pentium II Place the SECC face down on a flat surface and lay the heat sink flush on the back metal side of the SECC Check the orientation of the heatsink against the illustration below The thicker fin must be orientated toward the SECC2 with Pentium II SEPP with Celeron Insert 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 1s located on the bottom of the heatsink 20 ASUS P2B User s Manual Ill INSTALLATION WARNING Make sure the heatsink is mounted tightly against the SECC SECC2 or SEPP otherwise the CPU will overheat You may inst
53. ion regarding the drive specifications The MODE entry is for IDE hard disks only and can be ignored for MFM and ESDI drives This entry provides three options Normal Large LBA or Auto see below Set MODE to the Normal for IDE hard disk drives smaller than 528MB set it to LBA for drives over 528MB that support Logical Block Addressing LBA to allow larger IDE hard disks set it to Large for drives over 528MB that do not support LBA Large type of drive can only be used with MS DOS and is very uncommon Most IDE drives over 528MB support the LBA mode ASUS P2B User s Manual 39 40 IV BIOS SOFTWARE Auto detection of hard disks on bootup For each field Primary Master Primary Slave Secondary Master and Secondary Slave you can select Auto under the TYPE and MODE fields This will enable auto detection of your IDE hard disk during bootup This will allow you to change your hard disks with the power off and then power on without having to reconfigure your hard disk type If you use older hard disks that do not support this feature then you must configure the hard disk in the standard method as described earlier by the User option NOTE After the IDE hard disk drive information has been entered into BIOS new IDE hard disk drives must be partitioned such as with FDISK and then formatted before data can be read from and write on Primary IDE hard disk drives must have Its partition set to active also possible with
54. ity to operate this equipment Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Cana dian Department of Communications ASUS P2B User s Manual I INTRODUCTION How this Manual is Organized This manual 1s divided into the following sections I Introduction Manual information and checklist Il Features Information and specifications concerning this product III Installation Instructions on setting up the motherboard y k i5 IV BIOS Software Instructions on setting up the BIOS software V Support Software Information on the included support software Item Checklist Please check that your package 1s 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 1 Bag of spare jumper caps 1 Support CD with drivers and utilities 1 User s manual S P2FAN or P2T Cable for Slot 1 processors IrDA compliant infrared module optional ASUS PCI L101 Wake on LAN 10 100 Ethernet Card optional LI L1 L1 IS S ISI SI NN SI ASUS P2B User s Manual 7 Il FEATURES Features of the ASUS P2B Motherboard The ASUS P2B is carefully design
55. m To load these default values highlight Load Setup Defaults on the main screen and then press Enter The system displays a confirmation message on the screen 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 I ATO TIESTO m E EHIT ut PAF AHO FEI SETUP Lode BETUP fmalta EY il BLOG BERI ASUS P2B User s Manual IV BIOS SOFTWARE oupervisor Password and User Password These two options set the system passwords Supervisor Password sets a pass word that will be used to protect the system and the Setup utility User Password sets a password that will be used exclusively on the system By default the system comes without any passwords To specify a password highlight the type you want and then press Enter A password prompt appears on the screen Taking note that the password 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 i Pa DETECT i218 5 i iia a To implement password protection specify in the Security Option field of the BIOS Features Setup screen when the system will prompt for the password If you want to disable either password press lt Enter gt instead of enteri
56. nd then click Shut down the computer The system will give three quick beeps after about 30 seconds and then power off after Windows shuts down NOTE The message You can now safely turn off your computer will not appear when shutting down with ATX power supplies ASUS P2B User s Manual Pover Connections 33 34 IV BIOS SOFTWARE Flash Memory Writer Utility This motherboard has an onboard SCSI BIOS and boot virus protection and therefore re quires a 2Mbit flash ROM AFLASH EXE This is the Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the 2Mbit programmable flash ROM chip on the motherboard To deter mine the BIOS version of your motherboard check the last four numbers of the code dis played on the upper left hand corner of your screen during bootup Larger numbers represent a newer BIOS file This file works only in DOS mode NOTE The following screen displays are provided as examples only and may not reflect the screen contents displayed on your system IMPORTANT If unknown is displayed after Flash Memory the memory chip is either not programmable or is not supported by the ACPI 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 Itis recommended that you save AFLASH EXE and the BIOS file
57. ng a new password when the Enter Password prompt appears A message confirms the password has been disabled NOTE If you forget the password see CMOS RAM in section III for procedures on clearing the CMOS ASUS P2B User s Manual 53 54 IV BIOS SOFTWARE IDE HDD Auto Detection This IDE HDD Auto Detection option detects the parameters of an IDE hard disk drive and automatically enters them into the Standard CMOS Setup screen IM FLL SH I LAL SEPP LTJIETTY Bm SOF EVERT PME PME TEGUH DAH SELT LL Bolackt GT A Maigi leticn H Skip H OP TTOHS SI C LS HERO PREGUMP LAND A KOM d i i r H a E i i i T i LI H LOA H MUHHHI Ea num A BETT p fe or installatia Up to four IDE drives can be detected with parameters for each listed inside the box To accept the optimal entries press lt Y gt or else select from the numbers dis played under the OPTIONS field 2 1 3 in this case to skip to the next drive press lt N gt If you accept the values the parameters will appear listed beside the drive letter on the screen The process then proceeds to the next drive letter Pressing lt N gt to skip rather than to accept a set of parameters causes the program to enter zeros after that drive letter Remember that if you are using another IDE controller that does not feature En hanced IDE support for four devices you can only install two IDE hard disk drives Your IDE controller must
58. ng the system off and then back on again But do so only if the first two methods fail When you invoke Setup the CMOS SETUP UTILITY main program screen will appear with the following options NE HII FFH E 1 A Mes sr UT ET TIBUS MNT SUM SULSIE PSSA LSLH PASS It pm mi pe CTIDH E EXIT HITHOUT SANTAI ASUS P2B User s Manual 37 3 IV BIOS SOFIWAHRE Load Defaults The Load BIOS Defaults option loads the minimum settings for troubleshooting Load Setup Defaults on the other hand is for loading optimized defaults for regular use Choosing defaults at this level will modify all applicable settings A section at the bottom of the above screen displays the control keys for this screen Take note of these keys and their respective uses Another section just below the control keys section displays information on the currently highlighted item in the list otandard CMOS Setup This Standard CMOS Setup option allows you to record some basic system hard ware configuration and set the system clock and error handling If the motherboard is already installed 1n a working system you will not need to select this option anymore However if the configuration stored in the CMOS memory on the board gets lost or damaged or 1f 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 CMO
59. nge 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 uses Auto settings for the onboard SCSI BIOS If you do not want to use the onboard SCSI BIOS choose Disabled USB IRQ Enabled Enabled reserves an IRQ for the USB to work Disabled does not allow the USB to have an IRQ and therefore prevents the USB from functioning If you are not using any USB devices you may set this feature to Disabled to save an extra IRQ for expansion cards ASUS P2B User s Manual 51 U A NS 8 n Jj 3 n 52 IV BIOS SOFTWARE Load BIOS Defaults This Load BIOS Defaults option allows you to load the troubleshooting default values permanently stored in the BIOS ROM These default settings are non opti mal and disable all high performance features To load these default settings high light Load BIOS Defaults on the main screen and then press Enter The system displays a confirmation message on the screen 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 syste
60. ocessor packaged in a Single Edge Processor Package SEPP SCSI BIOS Supports optional ASUS SCSI controller cards through onboard SY MBIOS firmware IrDA Supports an optional infrared port module for wireless interface e Concurrent PCI Allows multiple PCI transfers from PCI master buses to memory to CPU 8 ASUS P2B User s Manual Il FEATURES The ASUS P2B Motherboard ATX Power CPU Connector Slot 1 Intel 440BX AGPset 3 DIMM Sockets sles h 1 Fa j b P i a LER I Lam A s T P5 2 Mouse S B PS 2 Keyboard T USB Port 1 B USB Port B COM 1 Lj az am ger ee a TIITTTR T Parallel B Serial B COM 2 Universal Folding Retention Mechan Accelerated Graphics P ort Wake On LAN p m Connector 4 PCI Slots Programmable 2Mbit Flash EERO Hardware Monitoring ASIC 3 ISA Slots ASUS P2B User s Manual 9 Ill INSTALLATION Layout of the ASUS P2B Motherboard e Ee onu ront PS 2 BOTTOM Keyboard 9 O ise H 2 Cc USB BOTTOM b O USB2 2 O O ab oO 9 O 3 x k lt BUS FREQ FS2 m m mj FSi m m mj Fso m m m Intel 440BX Parallel Port CPU Slot 1 AGPset DIMM Socket 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 t a Fg JTCPU W LH e e Bil Accelerated Graphics Port Wake On LAN a C Connector x x ess OQ 5
61. oth have similar heat distribution and heatsink material 2 Connect the P2T Cable to the CPU thermal sensor connector JTCPU i Recommended Heatsinks for Slot 1 Processors The recommended heatsinks for the Slot 1 processors are those with three pin fans such as the ASUS Smart Fan that can be connected to the motherboard s CPU fan connector These heatsinks such as the Elan Vital Heatsink with Fan dissipate heat more efficiently and with an optional hardware monitor they can monitor the fan s RPM and use the alert function with the Intel LANDesk Client Manager LDCM and the ASUS PC Probe software Elan Vital Heatsink with Fan To install simply follow the procedures for In stalling the 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 ASUS P2B User s Manual 23 Ill INSTALLATION 4 Expansion Cards WARNING Unplug your power supply when adding or removing expansion cards or other system components Failure to do so may cause severe damage to both your motherboard and expansion cards Expansion Card Installation Procedure 1 Read the documentation for your expansion card and make any necessary hard
62. r LED shows the status of the system s power Reset Switch Lead RESET This 2 pin connector connects to the case mounted reset switch for rebooting your computer without having to turn off your power switch This 1s a preferred method of rebooting to prolong the life of the system s power supply System Power LED PWR LED This 3 pin connector connects the system power LED which lights when the system is powered on and blinks when it 1s in sleep mode Keyboard Lock Switch Lead KEYLOCK This 2 pin connector connects to the case mounted key switch to allow key board locking Lj zm 45V Message sv Power LED LED MLED PLED KEYLOCK Keyboard Lock Ground Reset SW o e Speaker Connector SPEAKER This 4 pin connector connects to the case mounted speaker SMI Lead Ls ATX Power RAW T il ns Requires an ATX power supply P2B System Panel Connections ASUS P2B User s Manual Ill INSTALLATION Power Connection Procedures I 2 2 After all connections are made close the system case cover Be sure that all switches are off in some systems marked with O Connect the power supply cord into the power supply located on the back of you
63. r system case according to your system user s manual Connect the power cord into a power outlet that is equipped with a surge protector You may then turn on your devices in the following order a Your monitor b External SCSI devices starting with the last device on the chain c Your system power For ATX power supplies you need to switch on the power supply as well as press the ATX power switch on the front of the case The power LED on the front panel of the system case will light For ATX power supplies the system LED will light when the ATX power switch 1s pressed The monitor LED may light up after the system s if 1t complies with green stan dards or if 1t 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 call your retailer for assistance During power on hold down Delete to enter BIOS setup Follow the instruc tions in the next section BIOS SOFTWARE Powering Off your computer You must first exit or shut down your operating system before switching off the power switch For ATX power supplies you can press the ATX power switch after exiting or shutting down your operating system If you use Windows 95 click the Start button click Shut Down a
64. ree bootable floppy disk to restart and investigate your system Be cause of conflicts with new operating systems for example during installation of new softwares you may have to set this to Disabled to prevent write errors ASUS P2B User s Manual 41 42 IV BIOS SOFTWARE CPU Level 1 Cache CPU Level 2 Cache Enabled These fields allow you to choose from the default of Enabled or choose Disabled to turn on or off the CPU s Level 1 and Level 2 built in cache CPU Level 2 Cache ECC Check Disabled This function controls the ECC check capability in the CPU level 2 cache BIOS Update Enabled This functions as an update loader integrated into the BIOS to supply the processor with the required data The BIOS will load the update on all processors during system bootup in the default position of Enabled Quick Power On Self Test Enabled This field speeds up the Power On Self Test POST routine by skipping retesting a second third and forth time Setup default setting for this field is Enabled A complete test of the system 1s done on each test HDD Sequence SCSI IDE First IDE When using both SCSI and IDE hard disk drives 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 SCS 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
65. ry in any combination as follows DIMM Location 168 pin DIMM aM Total Memory Socket Rows 0 amp 1 SDRAM 8 16 32 64 128 256MB Socket 2 Rows 2 amp 3 SDRAM 8 16 32 64 128 256MB FUN Socket 3 Rows 4 amp 5 SDRAM 8 16 32 64 128 256MB HEN Total System Memory Max 768MB FREE General DIMM Notes e Use only PC100 compliant DIMMs This motherboard operates at 1 OOMHz thus most systems will not even boot if non compliant modules are used because of the strict tim ing issues involved under this speed Two possible memory chips are supported SDRAM with and without ECC e SDRAM chips are generally thinner with higher pin density than EDO Extended Data Output chips e BIOS shows SDRAM memory on bootup screen e 8 chips side modules do not support ECC only 9 chips side modules support ECC Single sided modules come in 16 32 64 128MB double sided come in 32 64 128 256MB ASUS P2B User s Manual 17 System Menory Ill INSTALLATION DIMM Memory Installation Procedures Insert the module s as shown Because the number of pins are different on either side of the breaks the module will only fit in the orientation as shown DRAM SIMM modules have the same pin contacts on both sides SDRAM DIMMs have different pin contacts on each side and therefore have a higher pin density
66. 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 in the Chipset Features Setup screen When auto detection is completed the program automatically enters all entries you accepted on the field for that drive in the Standard CMOS Setup screen Skipped entries are ignored and are not entered in the screen If you are auto detecting a hard disk that supports the LBA mode three lines will appear in the parameter box Choose the line that lists LBA for an LBA drive Do not select Large or Normal The auto detection feature can only detect one set of parameters for a particular IDE hard drive Some IDE drives can use more than one set This 1s not a problem if the drive is new and empty ASUS P2B User s Manual IV BIOS SOFTWARE IMPORTANT If your hard disk was already formatted on an older previous system incorrect parameters may be detected You will need to enter the correct parameters manually or use low level format 1f you do not need the data stored on the hard disk If the parameters listed differ from the ones used when the disk was formatted the disk will not be readable If the auto detected parameters do not match the ones that should be used for your disk do not accept them Press lt N gt
67. their default settings HII IDE 1L HIE IE d FFI EFI 1 I Liebe F 5hyh T DB DFFFI zi ol Un mark Stabs TIT Kate Sebiiog Tie PS Te wee i Pee nl Lp ia pa A section at the lower right of the screen displays the control keys you can use Take note of these keys and their respective uses If you need information on a particular entry highlight it and then press lt F1 gt A pop up help menu will appear to provide you with the information you need lt F5 gt loads the last set values lt F6 gt and lt F7 gt loads the BIOS default values and Setup default values respectively NOTE SETUP Defaults are noted in parenthesis next to each function heading Details of BIOS Features Setup CPU Internal Core Speed 350MHz 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 partition table With this new solution your computer is protected against boot virus threats earlier in the boot cycle that is before they have a chance to load into your system This ensures your computer boots to a clean operating system 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 f
68. tion and to the owners benefit without intent to infringe ntel LANDesk and Pentium are registered trademarks of Intel Corporation BM and OS 2 are registered trademarks of International Business Machines e Symbios is a registered trademark of Symbios Logic Corporation Windows and MS DOS are registered trademarks of Microsoft Corporation e Sound Blaster AWE32 and SB16 are trademarks of Creative Technology Ltd Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated The product name and revision number are both printed on the product itself Manual revi sions are released for each product design represented by the digit before and after the period of the manual revision number Manual updates are represented by the third digit in the manual revision number For previous or updated manuals BIOS drivers or product release information contact ASUS at http www asus com tw or through any of the means indicated on the following page SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FUR NISHED FOR INFORMATIONAL USE ONLY AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED AS A COM MITMENT BY ASUS ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL INCLUD ING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT Copyright 1998 ASUSTeK COMPUTER INC All Rights Reserved Product Name ASUS P2B Manual Revision 1 03 E
69. two typematic controls listed next Setup default setting is Disabled Typematic Rate Chars Sec 6 This field controls the speed at which the system registers repeated keystrokes Options range from 6 to 30 characters per second Setup default setting 1s 6 other settings are 8 10 12 15 20 24 and 30 Typematic Delay Msec 250 This field sets the time interval for displaying the first and second characters Four delay rate options are available 250 500 750 and 1000 ASUS P2B User s Manual 43 dd IV BIOS SOFTWARE Chipset Features Setup This Chipset Features Setup option controls the configuration of the board s chipset Control keys for this screen are the same as for the previous screen am PCL Ise NITE WIFI HEHIGHES 3 F TOURS SI NOTE SETUP Defaults are noted in parenthesis next to each function heading Details of Chipset Features Setup SDRAM Configuration By SPD This sets the optimal timings for items 2 5 Leave on default setting SDRAM CAS Latency 2T This controls the latency between SDRAM read command and the time that the data actually becomes available Leave on default setting SDRAM RAS to CAS Delay 3T This controls the latency between SDRAM active command and the read write com mand Leave on default setting SDRAM RAS Precharge Time 3T This controls the idle clocks after issuing a precharge command to SDRAM Leave on default setting DRAM Idle Timer 16T T
70. uto The default of Auto allows the system to detect a PS 2 mouse on bootup If detected IRQI2 will be used for the PS 2 mouse IRQ12 will be reserved for expansion cards if a PS 2 mouse is not detected Enabled will always reserve IRQ12 whether on bootup a PS 2 mouse 1s detected or not PCI VGA Palette Snoop Disabled Some display cards that are nonstandard VGA such as graphics accelerators or MPEG Video Cards may not show colors properly The setting Enabled should correct this problem Otherwise leave this on the setup default setting of Disabled OS 2 Onboard 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 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 NumLock Status On This field enables users to activate the Number Lock function upon system boot Typematic Rate Setting Disabled When enabled you can set the

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