BG-72 Intel Pentium 4 System Board Socket 478 User’s Manual Rev. 1.
Copyright and Warranty Notice 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.
Table of Contents Chapter 1. 1.1. 1.2. 1.3. Chapter 2. 2.1. 2.2. 2.3. Chapter 3. 3.1. 3.2. Introduction .................................................... 1-1 Features & Specifications...................................................... 1-1 Layout Diagram..................................................................... 1-3 Jumpers & Connectors Description....................................... 1-4 Hardware Setup.............................................. 2-1 CPU Socket ......................
3.2.5. 3.2.6. 3.2.7. 3.2.8. 3.2.9. 3.2.10. 3.2.11. 3.2.12. 3.2.13. Chapter 4. 4.1. Power Management Setup ..................................... 3-20 PnP/PCI Configurations......................................... 3-23 PC Health Status .................................................... 3-26 Frequency/Voltage Control.................................... 3-27 Load Fail-Safe Defaults Option ............................. 3-28 Load Optimized Defaults Option...........................
Introduction 1-1 Chapter 1. Introduction 1.1. Features & Specifications CPU • Supports Intel® Pentium 4 Prescott 533/Celeron D/Celeron Socket 478 processors with 400/533 MHz FSB Chipset • • Intel® 845GV Intel® ICH4 Memory • • • Two 184-pin DIMM slots Supports DDR 200/266/333 non-ECC un-buffered memory Supports maximum memory capacity up to 2GB Graphic • Integrated Graphic Architecture yields higher 2D/3D performance LAN • Onboard 10/100M PCI controller Audio • Onboard 5.
1-2 Chapter 1 Miscellaneous • Micro ATX form factor (244mm x 200mm) ! All brand names and trademarks are the property of their respective owners. ! This motherboard is customized for certain system configurations; and may not fit system integration in all DIY ways. Before integrating this product, please check ABIT web site for recommended device listings, or contact sales/tech. support people. ! Specifications and information contained herein are subject to change without notice.
Introduction 1-3 1.2.
1-4 Chapter 1 1.3.
Hardware Setup Chapter 2. 2-1 Hardware Setup 2.1. CPU Socket This server board provides one 478-pin Zero Insertion Force (ZIF) socket to install the Intel Pentium 4 CPU.
2-2 Chapter 2 2.2. System Memory This system board provides two 184-pin DDR DIMM slots for un-buffered and non-ECC modules with memory size expansible up to 2GB (DDR333).
Hardware Setup 2-3 2.3. Connectors, Headers, and Switches All the connectors, headers and switches mentioned here are depending on your system configuration. Some features you may (or may not) have to connect or to configure depending on the peripherals you have connected. WARNING: Always power off the computer and unplug the AC power cord before adding or removing any peripheral or component. Failing to so may cause severe damage to your system board and/or peripherals.
2-4 2.3.2. Chapter 2 FAN Connectors These connectors each provide power to the cooling fans installed in your system. • CPUFAN: CPU Fan Power Connector • SYSFAN: System Fan Power Connector • PWRFAN: Power Fan Power Connector WARNING: These fan connectors are not jumpers. DO NOT place jumper caps on these connectors.
Hardware Setup 2.3.3. 2-5 CMOS Memory Clearing Header This header uses a jumper cap to clear the CMOS memory. • Pin 2-3 shorted (default): Normal operation. • Pin 1-2 shorted: Clear CMOS memory. ATTENTION: Turn the system power off first (including the +5V standby power) before clearing the CMOS memory. Failing to do so may cause your system to work abnormally or malfunction.
2-6 2.3.4. Chapter 2 Front Panel Switches & Indicators Connection Headers These headers are used for connecting switches and LED indicators on the chassis front panel. The mark “+” align to the pin in the figure below stands for positive polarity for the LED connection.
Hardware Setup 2.3.5. 2-7 Additional USB Port Connection Header These headers each provide 2 additional USB 2.0 ports connection through an USB cable designed for USB 2.0 specifications.
2-8 2.3.6. Chapter 2 Front Panel Audio Connection Header This header provides the connection to audio connector at front panel. • To use the audio connector at front panel, remove all the jumpers on this header, and then connect to front panel by the extension cable provided with the chassis. • To use the audio connector at rear panel, disconnect the extension cable, attach the jumpers back at pin 5-6, and pin 9-10 (default setting).
Hardware Setup 2.3.7. 2-9 Internal Audio Source Connectors This connector connects to the audio output of internal CD-ROM drive or add-on card.
2-10 2.3.8. Chapter 2 Floppy Disk Drive Connector This connector supports two standard floppy disk drives via a 34-pin 34-conductor ribbon cable. Connecting the Floppy Disk Drive Cable: 1. Install one end of the ribbon cable into the FDC connector. The colored edge of the ribbon cable should be aligned with pin-1 of FDC connector. 2. Install the other end(s) of ribbon cable into the disk drive connector(s). The colored edge of the ribbon cable should be also aligned with pin-1 of disk drive connector.
Hardware Setup 2.3.9. 2-11 IDE Disk Drive Connectors These IDE ports each connects up to two IDE drives at Ultra ATA/100 mode by one 40-pin, 80-conductor, and 3-connector Ultra ATA/66 ribbon cables. Connect the single end (blue connector) at the longer length of ribbon cable to the IDE port on system board, and the other two ends (gray and black connector) at the shorter length of the ribbon cable to the connectors on hard drives.
2-12 2.3.10. Chapter 2 External I/O Panel • Mouse: PS/2 mouse connector. • Keyboard: PS/2 keyboard connector. • LPT1: Connects to printer or other devices that support this communication protocol. • COM1: Connects to external modem, mouse or other devices that support this communication protocol. • VGA1: Monitor signal connector. • USB1: Connects to USB devices • LAN1: Connects to Local Area Network. • JS1: Line In: Connects to the line out from external audio sources.
BIOS Setup Chapter 3. 3-1 BIOS Setup 3.1. About the Setup Utility The computer uses the latest Award BIOS with support for Windows Plug and Play. The CMOS chip on the motherboard contains the ROM setup instructions for configuring the motherboard BIOS. The BIOS (Basic Input and Output System) Setup Utility displays the system’s configuration status and provides you with options to set system parameters.
3-2 3.1.1. Chapter 3 The Standard Configuration A standard configuration has already been set in the Setup Utility. However, we recommend that you read this chapter in case you need to make any changes in the future.
BIOS Setup 3.1.2. 3-3 Entering the Setup Utility When you power on the system, BIOS enters the Power-On Self Test (POST) routines. POST is a series of built-in diagnostics performed by the BIOS.
3-4 3.1.3. Chapter 3 Updating the BIOS You can download and install updated BIOS for this motherboard from the manufacturer’s Web site. New BIOS provides support for new peripherals, improvements in performance, or fixes for known bugs. Install new BIOS as follows: 1. If your motherboard has a BIOS protection jumper, change the setting to allow BIOS flashing. 2. If your motherboard has an item called Firmware Write Protect in Advanced BIOS features, disable it.
BIOS Setup 3-5 3.2. Using BIOS When you start the Setup Utility, the main menu appears. The main menu of the Setup Utility displays a list of the options that are available. A highlight indicates which option is currently selected. Use the cursor arrow keys to move the highlight to other options. When an option is highlighted, execute the option by pressing . Some options lead to pop-up dialog boxes that prompt you to verify that you wish to execute that option.
3-6 # Chapter 3 IDE Primary Master/Slave, IDE Secondary Master/Slave Click key to enter its submenu: IDE HDD Auto-Detection This item allows you to detect the parameters of IDE drives by pressing key. The parameters will be shown on the screen automatically. IDE Primary/Secondary Master/Slave When set to [Auto], the BIOS will automatically check what kind of IDE drive you are using.
BIOS Setup 3-7 Head This item configures the numbers of read/write heads. Precomp This item displays the number of cylinders at which to change the write timing. Landing Zone This item displays the number of cylinders specified as the landing zone for the read/write heads. Sector This item configures the numbers of sectors per track. # Back to Standard CMOS Features Setup Menu Drive A This item sets the type of floppy drives (usually only Drive A) installed.
3-8 Chapter 3 Base Memory This item displays the amount of base memory installed in the system. The value of the base memory is typically 640K for system with 640K or more memory size installed on the motherboard. Extended Memory This item displays the amount of extended memory detected during system boot-up. Total Memory This item displays the total memory available in the system.
BIOS Setup 3.2.2. # 3-9 Advanced BIOS Features CPU Feature Click key to enter its submenu: NOTE: This function is only available for Prescott CPUs.
3-10 Chapter 3 Delay Prior to Thermal Enables you to set the delay time before the CPU enters auto thermal mode. Thermal Management This item displays CPU’s temperature and enables you to set a safe temperature to protect CPU. TM2 Bus Ratio This item represents the frequency (bus ratio) of the throttled performance state that will be initiated when the on-die sensor goes from not hot to hot).
BIOS Setup 3-11 Quick Power On Self Test Enable this item to shorten the power on testing (POST) and have your system start up faster. You might like to enable this item after you are confident that your system hardware is operating smoothly. First/Second/Third Boot Device Use these three items to select the priority and order of the devices that your system searches for an operating system at start-up time.
3-12 Chapter 3 HDD S.M.A.R.T. Capability The S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) system is a diagnostics technology that monitors and predicts device performance. S.M.A.R.T. software resides on both the disk drive and the host computer. Report No FDD For WIN 95 Set this item to the default if you are running a system with no floppy drive and using Windows 95; this ensures compatibility with the Windows 95 logo certification.
BIOS Setup 3.2.3. 3-13 Advanced Chipset Features These items define critical timing parameters of the motherboard. You should leave the items on this page at their default values unless you are very familiar with the technical specifications of your system hardware. If you change the values incorrectly, you may introduce fatal errors or recurring instability into your system. DRAM Timing Selectable The value in this field depends on performance parameters of the installed memory chips (DRAM).
3-14 Chapter 3 DRAM RAS# Precharge Select the number of CPU clocks allocated for the Row Address Strobe (RAS#) signal to accumulate its charge before the DRAM is refreshed. If insufficient time is allowed, refresh may be incomplete and data lost. Turbo Mode This item allows you to speed up the external clock by approximately 2.5%. This feature is used to verify the design flexibility. It is a very important tool for test units to verify CPU stability.
BIOS Setup 3-15 On-Chip Video Window Size This allows you to set the Graphics Aperture size. On-Chip Frame Buffer Size This allows you to set the VGA frame buffer size. Boot Display This item is for Intel define ADD card only.
3-16 Chapter 3 3.2.4. Integrated Peripherals These options display items that define the operation of peripheral components on the system’s input/output ports. Onboard IDE-1 Controller /IDE2 Controller This item enables or disables the onboard IDE-1/IDE2 controller. ! Master/Slave Drive PIO Mode Each IDE channel supports a master device and a slave device. These four items let you assign which kind of PIO (Programmed Input/Output) is used by IDE devices.
BIOS Setup ! 3-17 Master/Slave Drive Ultra DMA Each IDE channel supports a master device and a slave device. This motherboard supports Ultra DMA technology, which provides faster access to IDE devices. If you install a device that supports Ultra DMA, change the appropriate item on this list to Auto. You may have to install the Ultra DMA driver supplied with this motherboard in order to use an Ultra DMA device. USB Controller This option enables or disables the USB controller. ! USB 2.
3-18 Chapter 3 IDE HDD Block Mode Enable this field if your IDE hard drive supports block mode. Block mode enables BIOS to automatically detect the optimal number of block read and writes per sector that the drive can support and improves the speed of access to IDE devices. POWER ON Function This item selects the way you want your system to power on. ! KB Power ON Password Use a password to power on the system, select this option then press .
BIOS Setup ! 3-19 UR2 Duplex Mode This field is available when UART 2 Mode is set to either ASKIR or IrDA. This item enables you to determine the infrared function of the onboard infrared chip. The options are Full and Half (default). Full-duplex means that you can transmit and send information simultaneously. Half-duplex is the transmission of data in both directions, but only one direction at a time.
3-20 Chapter 3 3.2.5. Power Management Setup This option lets you control system power management. The system has various power-saving modes including powering down the hard disk, turning off the video, suspending to RAM, and software power down that allows the system to be automatically resumed by certain events. ACPI Suspend Type Use this item to define how your system suspends. In the default, S1(POS), the suspend mode is equivalent to a software power down.
BIOS Setup 3-21 MODEM Use IRQ If you want an incoming call on a modem to automatically resume the system from a power-saving mode, use this item to specify the interrupt request line (IRQ) that is used by the modem. You might have to connect the fax/modem to the motherboard Wake On Modem connector for this feature to work. Soft-off by PWR-BTTN Under ACPI (Advanced Configuration and Power management Interface) you can create a software power down.
3-22 Chapter 3 Wakeup by Alarm When set to Enabled, the following three fields become available: Month Alarm, Day of Month Alarm, and Time Alarm Upon arrival of the alarm time, it will instruct the system to wake up. When set to 0 (zero) for the day of the month, the alarm will power on your system every day at the specified time. ! Date (of Month) Alarm Date (of Month) Alarm lets you select a day from 1 to 31.
BIOS Setup 3.2.6. 3-23 PnP/PCI Configurations These options configure how PnP (Plug and Play) and PCI expansion cards operate in your system. Both the ISA and PCI buses on the motherboard use system IRQs (Interrupt ReQuests) and DMAs (Direct Memory Access). You must set up the IRQ and DMA assignments correctly through the PnP/PCI Configurations Setup utility for the motherboard to work properly.
3-24 ! Chapter 3 IRQ Resources Click key to enter its submenu: The submenu allows you to individually assign an interrupt type for interrupts IRQ-3 to IRQ-15. In the IRQ Resources submenu, if you assign an IRQ to Legacy ISA, then that Interrupt Request Line is reserved for a legacy ISA expansion card. Press to close the IRQ Resources submenu.
BIOS Setup 3-25 PCI Latency Timer(CLK) This item controls how long each PCI device can hold the bus before another takes over. When set to higher values, every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth. For better PCI performance, you should set the item to higher values. PIRQ_0 Use IRQ No. ~ PIRQ_7 Use IRQ No. This item specifies the IRQ number manually or automatically for the devices installed on PCI slots.
3-26 3.2.7. Chapter 3 PC Health Status On motherboards that support hardware monitoring, this item lets you monitor the parameters for critical voltages, critical temperatures, and fan speeds. Shutdown Temperature This item sets the temperature that would shutdown the system automatically in order to prevent system overheats. Warning Temperature Use this item to set the warning temperature level for the processor.
BIOS Setup 3.2.8. 3-27 Frequency/Voltage Control This item enables you to set the clock speed and system bus for your system. The clock speed and system bus are determined by the kind of processor you have installed in your system. CPU Clock Use the CPU Host/SDRAM/PCI Clock to set the frontside bus frequency for the installed processor (usually 133 MHz, 100 MHz or 66 MHz). Then use CPU Clock Ratio Jumpless to set a multiple.
3-28 3.2.9. Chapter 3 Load Fail-Safe Defaults Option This option opens a dialog box that lets you install fail-safe defaults for all appropriate items in the Setup Utility: Press and then to install the defaults. Press and then to not install the defaults. The fail-safe defaults place no great demands on the system and are generally stable.
BIOS Setup 3-29 Supervisor Password has higher priority than User Password. You can use Supervisor Password when booting the system or entering BIOS Setup to modify all settings. Also you can use User Password when booting the system or entering BIOS Setup but can not modify any setting if Supervisor Password is enabled. 3.2.12. Save & Exit Setup Highlight this item and press to save the changes that you have made in the Setup Utility and exit the Setup Utility.
3-30 BG-72 Chapter 3
Driver Installation Chapter 4. 4-1 Driver Installation All the necessary drivers are included within the Drivers & Utilities CD that came packaged with your board. The display shown in the following figure should appear after inserting this CD into your CD-ROM drive, if not, enter $ [My Computer] $ [CD-ROM] Drive $ double click [autorun.exe]. Please follow the on-screen instruction.
4-2 Chapter 4 4.1. Setup Items • Drivers Install the drivers for Windows Operating System. • Manual View the user’s manual in PDF file. • Utility Click to enter the sub-screen for installing software. • Hardware Doctor Install the Hardware Doctor program for monitoring the system health. • Browse CD Browse the contents of this CD-ROM. • Close Exit the CD setup Items Menu.
How to Get Technical Support A-1 Appendix A. How to Get Technical Support (From our website) http://www.abit.com.tw (In North America) http://www.abit-usa.com (In Europe) http://www.abit.nl Thank you for choosing ABIT products. ABIT sells all our products through distributors, resellers and system integrators; we have no direct sales to end-users.
A-2 4. Appendix A Internet Newsgroups. They are a great source of information and many people there can offer help. ABIT's Internet News group, alt.comp.periphs.mainboard.abit, is an ideal forum for the public to exchange information and discuss experiences they have had with ABIT products. Many times you will see that your question has already been asked before. This is a public Internet news group and it is reserved for free discussions. Here is a list of some of the more popular ones: alt.comp.periphs.
How to Get Technical Support North America and South America RMA Center UK and Ireland Germany and Benelux (Belgium, Netherlands, Luxembourg), France, Italy, Spain, Portugal, Greece, Denmark, Norway, Sweden, Finland, and Switzerland Austria, Czech, Romania, Bulgaria, Slovakia, Croatia, Bosnia, Serbia, and Macedonia Shanghai Russia and CIS Poland Japan Taiwan Head Office (Serving all other territories not listed above. Taiwan is 8+ GMT time, and may have different holiday calendar from yours.
A-4 Appendix A % Technical Support Form ! Company Name: & Phone Number: " Contact Person: # Fax Number: ' E-mail Address: Model * Motherboard Model No.
