Abit BX6 Pentium II User Manual

Pentium ii mainboard
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The information in this document is subject to change without notice and
does not represent a commitment on part of the vendor , who assumes no
liability or responsibility for any errors that may appear in this manual.
No warranty or representation, either expressed or implied, is made with
respect to the quality, accuracy or fitness for any particular part of this
document. In no event shall the manufacturer be liable for direct,
indirect, special , incidental or consequential damages arising from any
defect or error in this manual or product.
Product names appearing in this manual are for identification purpose only
and trademarks and product names or brand names appearing in this
document are property of their respective owners.
This document contains materials protected under International Copyright
Laws. All rights reserved. No part of this manual may be reproduced,
transmitted or transcribed without the expressed written permission of the
manufacturer and authors of this manual.
Part No:MN-116-2B1-61
Rev:1.11

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Summary of Contents for Abit BX6 Pentium II

  • Page 1 The information in this document is subject to change without notice and does not represent a commitment on part of the vendor , who assumes no liability or responsibility for any errors that may appear in this manual. No warranty or representation, either expressed or implied, is made with respect to the quality, accuracy or fitness for any particular part of this document.
  • Page 3: Table Of Contents

    ® BX6 Pentium II Mainboard USER’S MANUAL Table of Contents Chapter 1 Introduction of BX6 Features ¬ Specifications............. ……...1-1 Layout diagram ............1-3 ® The system block diagram..........1-4 Chapter 2 Installing the Mainboard ¬ Installing the Mainboard to the Casing ......2-3 Standard External Connectors ........2-4 ®...
  • Page 4 Appendix A Quick Installation Appendix B General Discussion about HDD Installation Appendix C Flash BIOS User Instructions Appendix D How to install Ultra DMA/33 drive Appendix E How to install the PCI bridge driver for 440BX chipset Appendix F Technical Support...
  • Page 5: Specifications

    Introduction of BX6 Feature Chapter 1 Introduction of BX6 Feature This mainboard is designed for the new generation CPU. It supports the Intel CPU SLOT1(Pentium II), up to 512MB of memory, super I/O, and Green PC functions. The mainboard provides high performance for the server system and meets the requirements of the desktop system for multimedia in the future.
  • Page 6: Award Bios

    Chapter 1 5. System BIOS l AWARD BIOS l Supports Plug-and-Play (PnP) l Supports Advanced Configuration Power Interface (ACPI) l Supports Desktop Management Interface (DMI) l Year 2000 Compliant 6. Multi I/O Functions l Floppy port supports up to 2.88MB, and 3 mode floppy l Ultra DMA/33 bus master IDE supports up to 4 IDE devices ( Including LS-120 MB floppy drive ) l Built-in Standard/EPP/ECP parallel port connector...
  • Page 7: Layout Diagram

    Introduction of BX6 Feature - Layout Diagram Figure 1-1 Component Locations...
  • Page 8: The System Block Diagram

    Chapter 1 ® The System Block Diagram...
  • Page 9: Chapter 2 Installing The Mainboard

    Installing the Mainboard Chapter 2 Installing the Mainboard This BX6 mainboard not only provides all standard equipment for classic personal computers, but also provides great flexibility for meeting future upgrade demands. This chapter will introduce step by step all the standard equipment and will also present, as completely as possible, future upgrade capabilities.
  • Page 10 Chapter 2 & User friendly instructions Our objective is to enable the novice computer user to perform the installation by themselves. We have attempted to write this document in a very clear, concise and descriptive manner to help overcome any obstacles you may face during installation.
  • Page 11: Installing The Mainboard To The Casing

    Installing the Mainboard ¬ Installing the Mainboard to the Casing Most computer cases will have a base on which there will be many mounting holes that allows the mainboard to be securely attached and at the same time, prevents short circuits. There are two ways to attach the mainboard to the base.
  • Page 12: Standard External Connectors

    Chapter 2 - Standard External Connectors Inside the case of any computer several cables and plugs have to be connected. These cables and plugs are usually connected one-by-one to connectors located on the mainboard. You need to carefully pay attention to any connection orientation the cables may have and, if any, notice the position of the first pin of the connector.
  • Page 13 Installing the Mainboard PN2(Pin 1-2) - Hardware Reset Connector Attach the cable from the case’s Reset switch to this connector. Press and hold the reset button for at least one second to reset the system. Pin number Name or significance of signal Ground Reset input PN1(Pin 13-14) - Hardware Suspend Switch (SMI Switch)
  • Page 14 Chapter 2 PN1 (Pin 10-11) - Power Switch Pin number Name or significance of signal Ground Power Switch signal PN2 (Pin 9-10) - Green LED Pin number Name or significance of signal LED Power Green LED Active MOUSE - PS/2 Mouse Connector Attach a PS/2 mouse to this 6-pin Din-connector.
  • Page 15 Installing the Mainboard KB - PS/2 Keyboard Connector Attach a keyboard to this 6-pin Din-connector. Pin number Name or significance of signal Keyboard data No connection Ground +5VDC Keyboard clock No connection ATX PWR - ATX Power in put Connector Caution: If power supply connectors are not properly attached to ATX PWR, the power supply or add-on cards may be damaged.
  • Page 16 Chapter 2 FAN1(CPU FAN), FAN2 , FAN3 : DC-FAN Power Connector Pin number Name or significance of signal Ground +12V Sense signal IR - IR Connector(Infrared) Pin number Name or significance of signal +5Vcc No connection IR_RX Ground IR_TX I/O port connectors Pin number Name Description...
  • Page 17: Jumper And Switches

    Installing the Mainboard ® Jumper and Switches You can set jumper switches on the mainboard to configure various hardware options. See Figure 1-1 for jumper locations. Throughout this section, the following symbols are used to indicate jumper settings. For 3-pin jumpers, the symbols below are used: Short Pins 1 and 2 with a jumper cap.
  • Page 18 2-10 Chapter 2 CCMOS 1 - CMOS Discharge Jumper Jumper CCMOS discharge CMOS memory. When you install the mainboard, make sure this jumper is set for Normal Operation(1-2). See the jumper below. Setting CCMOS Normal Operation (Default) Discharge CMOS...
  • Page 19: Installation Of The Cpu

    Installing the Mainboard 2-11 ¯ Installation of the Pentium II CPU Mount the two black plastic pegs onto the mainboard. These pegs will be used to attach the fan heat sink supports. Notice that one hole and the base of one peg are larger than the other hole and peg base. Push each peg into its hole firmly to the end until you hear it “...
  • Page 20 2-12 Chapter 2 Slide the clip (A) on each support toward the processor , exposing the hole that will fit the peg on the mainboard . Push the latches (B) on the processor toward the center of the processor until they click into place. Hold the processor so that the fan shroud is facing toward the pegs on the mainboard.
  • Page 21 Installing the Mainboard 2-13 Slide the clips on the supports (D) forward until they click into place to hold the pegs securely. ( Apply slight pressure on the peg and push the peg forward the clip while pushing the clip forward.) Push the latches on the processor (E) outward until they click into place in the retention mechanism.
  • Page 22: Installing System Memory

    2-14 Chapter 2 ° Installing System Memory The mainboard provides four 168-pin DIMM sites for memory expansion.. The DIMM socket supports 1Mx64(8MB), 2Mx64(16MB), 4Mx64(32MB), 8Mx64(64MB),and16Mx64(128MB)or double sided DIMM modules. Minimum memory size is 8MB and maximum memory size is 512 MB SDRAM. There are four Memory module sockets on the system board.(Total eight banks) In order to create a memory array, certain rules must be followed.
  • Page 23 Installing the Mainboard 2-15 Note: Both 4Mx4 and 16Mx4 SDRAM devices are supported in the form of Registered DIMMs only. 2 Bank version of 2Mx32 is addressed like a 2Mx8 device, 12 row x 9 column. Supported SDRAM Memory Configurations DARM DRAM DRAM DRAM DRAM DRAM DIMM DRAM...
  • Page 24 2-16 Chapter 2...
  • Page 25: Chapter 3 Introduction Of Bios

    Introduction of BIOS Chapter 3 Introduction of BIOS The BIOS is a program located on a Read Only Memory chip on the mainboard. This program will not be lost when you turn the computer off. This program is also referred to as the boot program. It is the only channel for the hardware circuit to communicate with the operating system.
  • Page 26 Chapter 3 Three to five seconds after the message is displayed, if you press the Del key, you will access the BIOS Setup menu. At that moment, the BIOS will display the following message: Fig 3 BIOS Setup main menu In the BIOS Setup main menu of Figure 3, you can see several options.
  • Page 27: Cpu Setup ¡I Cpu Soft Menu Ii ¡J

    Introduction of BIOS ™ ¬ CPU Setup ¡i CPU SOFT MENU II ¡j The CPU can be setup through a programmable switch (CPU SOFT ™ MENU II), that replaces traditional manual hardware configuration. This feature allows the user to complete more easily the installation procedures. You can install the CPU without configuring any jumpers or switches.
  • Page 28 Chapter 3 CPU Operating Speed: This option sets the CPU speed. In this field, the CPU speed is indicated like this: CPU speed (external clock rate * multiplier factor) Select the CPU speed according to the type and speed of your CPU. ®...
  • Page 29 Introduction of BIOS äDisable: CPU external clock is operating within the normal limits. äEnable: CPU external clock is operating within the limits of the Turbo mode. Note : The increase by 2.5% of the CPU speed is not a standard feature of this product.
  • Page 30 Chapter 3 Method 1: Setup up the CPU for the lowest speed for its brand. Turn the power supply off and change the CPU. Then turn the system on again, and set up the CPU parameters through CPU SOFT MENU. Method 2: Since you have to open the computer case when you change the CPU , it could be a good idea to use the CCMOS jumper to erase the parameters of the...
  • Page 31: Standard Cmos Setup Menu

    Introduction of BIOS - Standard CMOS Setup Menu This contains the basic configuration parameters of the BIOS. These parameters include the settings of date, hour, VGA card, FDD and HDD. Fig 3-2 Standard CMOS Setup Menu Set up of HDD operating mode ¡i NORMAL, LBA, LARGE ¡j Since old operating systems were only able to support HDD whose capacity was not bigger than 528MB, any hard disk with more than 528MB was unusable.
  • Page 32 Chapter 3 ä LBA (Logical Block Addressing) mode: LBA mode supports hard disk drives up to 8.4Giga. This mode uses a different method to calculate the position of disk data to be accessed. It translates Cylinders (CYLS), Heads and Sectors into a logical address where data are located.
  • Page 33: Bios Features Setup Menu

    Introduction of BIOS ® BIOS Features Setup Menu BIOS Features Setup Menu has already been set for maximum operation. If you do not really understand each of the options in this menu, we recommend you use default values. In each item, you can press <F1> at any time to display all the options for this item.
  • Page 34: Boot Sequence

    3-10 Chapter 3 CPU Level 2 Cache: This item is used to enable or to disable the CPU level 2 cache. When the external cache is enabled, the system works faster. The default is Enable. CPU Level 2 Cache ECC Checking: This item is used to enable or to disable the CPU level 2 cache ECC checking function .
  • Page 35: Boot Up Floppy Seek

    Introduction of BIOS 3-11 Boot Up Floppy Seek: When computer boots up, the BIOS detects if the system has FDD or not. When this item is enabled, if the BIOS detects no floppy drive, it will display a floppy disk drive error message. If this item is disabled, the BIOS will skip this test.
  • Page 36: Security Option

    3-12 Chapter 3 Security Option: This option can be set to System or to Setup. After you have created a password through PASSWORD SETTING, this option will deny access to your system (System) or modification of computer setup (BIOS Setup) by unauthorized users. ä...
  • Page 37: Video Bios Shadow

    Introduction of BIOS 3-13 Report No FDD For WIN 95 : When using Windows 95 without floppy drive , please set this item to Yes. Video BIOS Shadow: This option is used to define whether the BIOS on the video card uses shadow feature or not.
  • Page 38 3-14 Chapter 3 Computer SHADOW knowledge What is the SHADOW? The BIOS of standard video or interface cards is stored in ROM, and it is often very slow. With the Shadow feature, the CPU reads the BIOS on the VGA card and copies it into RAM.
  • Page 39: Chipset Features Setup Menu

    Introduction of BIOS 3-15 ¯ Chipset Features Setup Menu The Chipset Features Setup Menu is used to modify the contents of the buffers in the chipset on the mainboard. Since the parameters of the buffers are closely related to hardware, if the setup is not correct or false, the mainboard will become unstable or you will not be able to boot up.
  • Page 40 3-16 Chapter 3 Memory Hole At 15M-16M: This option is used to free up the 15M-16M memory block. Some special peripherals need to use a memory bloc located between 15M and 16M, and this memory block has a size of 1M. We recommend that you disable this option.
  • Page 41: Power Management Setup Menu

    Introduction of BIOS 3-17 ° Power Management Setup Menu The difference between Green PCs and traditional computers is that Green PCs have a power management feature. With this feature, when the computer is powered on but inactive, the power consumption is reduced in order to save energy. When the computer operates normally, it is in Normal mode.
  • Page 42: Power Management

    3-18 Chapter 3 2. Use arrow keys to go to the item you want to configure. To change the settings, use "PgUP", "PgDn", "+" or "-" key. 3. After you have configured the Power Management feature, press “Esc” to go back to the Main Menu.
  • Page 43: Doze Mode

    Introduction of BIOS 3-19 Video Off After: Select the saving mode in which the video is switched off. ä The video will never be switched off in no power saving mode. ä Doze The video will be switched off in all power saving modes. ä...
  • Page 44: Suspend Mode

    3-20 Chapter 3 Suspend Mode: When the setting selected for "Power Management" is "User Define", you can define for this mode any delay from 1 minute to 1 hour. If no power management event occurs during this time period, meaning the computer is inactive during this period, the system will enter the Suspend power saving mode.
  • Page 45: Power On By Ring

    Introduction of BIOS 3-21 Power on by Ring: If you connect an external modem to the onboard serial port, the system will be turned on when a telephone ring-up occurs. Power on by Alarm : RTC alarm can turn on the system . You can set date ( of month ) and time ( hour , minute , second ) .
  • Page 46: Pci & Onboard I/O Setup

    3-22 Chapter 3 ± PCI & Onboard I/O Setup In this menu, you can change the INT# and IRQ of the PCI bus and the onboard I/O device, I/O port address and other hardware settings. Fig 3-6 PCI & Onboard I/O Setup PnP OS Install : Device resource assigned by PnP OS or BIOS.
  • Page 47: Resources Controlled By

    Introduction of BIOS 3-23 Resources Controlled By: When you select Auto, the BIOS will automatically assign the IRQ and DMA to PCI / ISA PnP . When this option is Manual, you can choose which IRQ or DMA can assign to PCI / ISA PnP . PCI IDE Card 2nd Channel: This option can be enabled or disabled.
  • Page 48: On Board Serial Port 1

    3-24 Chapter 3 On board Serial Port 1: This is used to specify the I/O address and IRQ of Serial Port 1. Ten options available: Disable, 3F8h/IRQ4, 2F8h/IRQ3, 3E8h/IRQ4 2E8h/IRQ3.3F8h/IRQ10, 2F8h/IRQ11, 3E8h/IRQ10, 2E8h/IRQ11, and AUTO. On board Serial Port 2: This is used to specify the I/O address and IRQ of Serial Port 2.
  • Page 49 Introduction of BIOS 3-25 On board IDE-1 Controller: Onboard PCI IDE 1 controller can be set as Enable or Disable. / Master drive PIO Mode: ä Auto: the BIOS can auto-detect the transfer mode of the HDD in order to set its data transfer rate. (Default) ä...
  • Page 50: ² Load Bios Defaults

    3-26 Chapter 3 ² Load BIOS Defaults BIOS defaults are the reference settings that allow your system to work at a comparatively low performance. When you choose the option, the following message is displayed: “Load BIOS Defaults (Y/N)? N” If you want to use BIOS default values, press “Y”, than <Enter>. ³...
  • Page 51: Password Setting

    Introduction of BIOS 3-27 ´ Password Setting This option allows you to set a password required to start the system (System) or to access to the BIOS (Setup). After you have set a password through the PASSWORD SETTING option, you can enter the Security Option in the “BIOS Features Setup Menu” to select the security level in order to prevent any unauthorized access.
  • Page 52: Ide Hdd Auto Detection

    3-28 Chapter 3 µ IDE HDD Auto Detection After you have installed the hard disk, in old systems, you had to know the hard disk specifications, such as the number of cylinders, heads and sectors, and to enter the relevant information into the hard disk information section. If the CMOS data was erased, and you had forgotten the hard disk specifications, it was a great problem.
  • Page 53: Chapter 4 Bus Master Ide Driver

    Bus Master IDE Driver Chapter 4 Bus Master IDE Driver The Intel PIIX4E Bus Master IDE is now include in the mainboard. OS Support: Windows 95, Windows NT 3.5/3.51/4.0, OS/2 V2.x & Warp 3.0 Installation: Each OS has different install procedure, please check README.TXT file under each OS’s directory.
  • Page 54 Chapter 4...
  • Page 55: Appendix A Quick Installation

    Quick Installation Appendix A Quick Installation Appendix A will give you a simplified installation procedure, in order to allow you to install your mainboard quickly and correctly. If you need further information or if you need to change some other settings, start reading from Chapter 1.
  • Page 56 Appendix A Installing HDD: IDE1- Connect one end of the 40-pin cable that comes with the drive to the HDD connector, and the other end to IDE1 pin connector on the mainboard. Note: Be sure that the red line on the cable connects to the first pin of the connectors.
  • Page 57 Quick Installation Installing Suspend switch connector: PN1 - There is a specific orientation for pin 13 and pin 14. Connect the two-threads suspend switch connector of the computer case to correct pins of connector on the mainboard. You can ignore this connector since most of computer cases do not support this feature (the mainboard itself supports it).
  • Page 58 Appendix A Installing Power ON/OFF switch connector : PN1 : Connect the two- threads switch connector on the mainboard. Pin number Name of the signal or signification Power Switch Signal Ground Watch the pin position and Installing ATX Power input connector: the orientation ATXPWR - Connect the power supply unit to the correct connectors on the mainboard.
  • Page 59 Quick Installation Installing PS2 Mouse: Mouse - There is an orientation pin. Connect your mouse connector to the connector on the mainboard. Installing CPU Fan Power connector: FAN - There is a specific orientation. Connect the three-threads CPU Fan power cable to the Fan connector on the mainboard.
  • Page 60 Appendix A...
  • Page 61 General Discussion about HDD Installation Appendix B General Discussion About HDD Installation Most of the present HDDs use IDE interface. Installing an IDE hard disk does not require a lot of knowledge like installing the driver for a SCSI hard disk, but this means that the user often must install the hard disk by himself and cope with all the problems they may encounter.
  • Page 62 Appendix B The higher the MODE value is, the best is the hard disk data transfer rate. But this does not mean that you can select the highest mode value as you like. You must be sure that your hard disk supports that type of fast data transfer, otherwise your hard disk will not be able to operate correctly.
  • Page 63 General Discussion about HDD Installation Installing a hard disk: In the Standard CMOS Setup Menu, Primary means the first connector on the mainboard, that is, connector IDE1 on our mainboard. Secondary means the second connector on the mainboard, that is, connector IDE2 on our mainboard.
  • Page 64 Appendix B Installing two HDDs: The red line on the connection cable must be lined up with pin 1 on the connector. Method 1: Set the hard disk drive used for boot up at Master, and the other drive at Slave. Connect one of the connectors of the 40-pin cable to the first drive, another connector to the second drive, and the other end of the cable to connector IDE1 on the mainboard.
  • Page 65 General Discussion about HDD Installation Installing three HDDs: The red line on the connection cable must be lined up with pin 1 on the connector. Method 1: Set the hard disk drive used for boot up at Master, set the second drive at Slave.
  • Page 66 Appendix B If one or several of your HDD are old, and if you don’t want to erase the data stored in your drives, you will have to remember the parameters (Type, Cylinders, Heads, Sectors, Mode) of the drive(s) you don’t want to erase. After you have used the IDE HDD Auto Detection option in the CMOS, enter the Standard CMOS Setup Menu to change the settings of the related hard disk drive.
  • Page 67 AWDFLASH NEWBIOS /PN SAVEBIOS Notes: “NEWBIOS” indicates file name for the new BIOS which can be downloaded from our website at http://www.abit.com.tw (user can choose a different file name in place of NEWBIOS). “SAVEBIOS” indicates the filename of the old system BIOS (user...
  • Page 68 Startup system files (COMMAND.COM, MSDOS.SYS, IO.SYS...) b. AWDFLSH.EXE c. The NEWBIOS file which can be downloaded from ABIT’s website. d. AUTOEXEC.BAT, which has the following content: A:\AWDFLASH NEWBIOS /PY /SN /CC ® When a version of BIOS that is for the incorrect mainboard model the following message will appear: “...
  • Page 69 How to install the Ultra DMA/33 driver Appendix D How to install the Ultra DMA/33 driver This motherboard supports Ultra DMA/33 HDD . If your hard drive supports this function you need to install the Ultra DMA driver software on the CO ROM included with this motherboard.
  • Page 70 Appendix D 2. License: Notebook - close the view 3. Question: Click ‘Yes’...
  • Page 71 How to install the Ultra DMA/33 driver Select Components: Click ‘INSTALL 5. Question: Click ‘Yes’ 6. Question: Click ‘Yes’...
  • Page 72 Appendix D 7. Information: Click ‘OK’ After previous instructions have been followed, the driver will automatically install. It will automatically restart the computer after it has finished installing.
  • Page 73 How to install the PCI bridge driver for 440BX chipset Appendix E How to install the PCI bridge driver for 440BX chipset This product CD-Title has attached Intel’s 82371xB INF update drive version 3.0. It can actually be used to update both 430TX and 440BX chipset, if your motherboard uses one of these Intel chipsets.
  • Page 74 AppendixE Step2. Execute the Product CD-Title ABITCD.EXE and choice Driver è PCI Bridge Driver for Windows 95, then you will see the screen below: Step3. Click NEXT Step 4. You will see the license agreement dialog screen, click Yes.
  • Page 75 How to install the PCI bridge driver for 440BX chipset Step 5. Click Next, then wait a while, until you see the installation complete screen.
  • Page 76 AppendixE Step 6. Restart your computer, then check the Device Manager again. First, you can check Hard Disk Controller, then take a look to see if the Bus Master driver is already recognized.
  • Page 77 How to install the PCI bridge driver for 440BX chipset Step 7. Also check System Device, to find out if three devices are identified as well. ( Please see the arrows below) You have completed all things now.
  • Page 78 AppendixE...
  • Page 79 Technical Support Appendix F Technical Support L If you have a problem during operation... In order to help our technical support personnel to quickly find out what is the problem of your mainboard and to give you the answers you need, before filling in the technical support form, eliminate any peripheral that is not related to the problem, and indicate on the form the key peripherals.
  • Page 80 Appendix F Example 2: With a system including the mainboard (with CPU, DRAM, COAST...) HDD, CD-ROM, FDD, VGA CARD, LAN CARD, MPEG CARD, SCSI CARD, SOUND CARD, after assembly and after having installed the Sound Card Driver, when you restart the system, when it runs the Sound Card Driver, it resets automatically.
  • Page 81 Technical Support $$ Main instructions... To fill in this “Technical Support Form”, refer to the step-by-step instructions given below: *1. MODEL: Note the model number given in your user’s manual. Example: PT5R2, PR5R2... *2. Mainboard model number (REV): Note the mainboard model number labeled on the mainboard as “REV:*.**”.
  • Page 82 Appendix F 4. DRIVER REV: Note the driver version number indicated on the DEVICE DRIVER disk as “Release *.**”. < Example: IDE Device Driver Drivers Diskette Release 1.09A Release 1.09A *5. OS/APPLICATION: Indicate what are the operating system and the applications your are running on the system.
  • Page 83 Technical Support System Memory (DRAM): Indicate the brand and specifications (SIMM/DIMM) of your system memory. Examples: In the Brand space, write “Panasonic”, in the Specifications space, write “SIMM-FP DRAM 4MB-06”. Or, in the Brand, write “NPNX”, in the Specifications space, write “SIMM- EDO DRAM 8MB-06”.
  • Page 84 Appendix F...
  • Page 85: Technical Support Form

    Technical Support & Technical Support Form ( Phone #: Company name: J Contact: /Fax #: Model BIOS ID # Mainboard model no. DRIVER REV OS/Application Hardware name Brand Specifications C.P.U IDE1 IDE2 CD-ROM Drive IDE1 IDE2 System Memory (DRAM) ADD-ON CARD Problem Description:...
  • Page 86 Appendix F...

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