Instruction/ maintenance manual of the product MB820 Intel
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MB820 Socket 478 Pentium ® 4 Intel ® 875P Chipset Industrial Motherboard USER ’ S MANUAL Version 1.0.
ii MB820 User ’ s Manual Acknowledgments Award is a registered trademark of Award Software International, Inc. PS/2 is a trademark of International Business Machines Corporat ion. Intel and Pentium 4 are registered trademarks of Intel Corporation. Microsoft Windows is a registered trademark of Microsoft Corporation.
MB820 User ’ s Manual iii Table of Contents Introduction ....................................................... 1 Checklist ........................................................................... 1 Product Description ..........................
iv MB820 User ’ s Manual This page is intentionally left blank..
INTRODUCTION MB820 User ’ s Manual 1 Introduction Checklist Your MB820 Pentium ® 4 motherboard package should include the items listed below: • The MB820 motherboard • This User’s Manual • .
INSTALLATIONS 2 MB820 User ’ s Manual Product Description The MB820 Pentium ® 4 motherboard incorporates the Intel 875P chipset t hat can utilize a single PGA478 processor of up to 3.2GHz or higher and supports FSB frequency of 400/533/800Mhz (100Mhz, 133Mhz, and 200Mhz HCLK respectively).
INTRODUCTION MB820 User ’ s Manual 3 Board Dimensions.
INSTALLATIONS 4 MB820 User ’ s Manual Installations This section provides information on how to us e the jumpers and connectors on the MB820 in order to set up a workable system.
INSTALLATIONS MB820 User ’ s Manual 5 ATX Power Installation The system power is provided to the motherboard with the ATXP1 and ATXP2 ATX power connectors. ATXP2 is a 4 - pin 12V power connector. ATXP1 is to be connected to a standard ATX power connector .
INSTALLATIONS 6 MB820 User ’ s Manual Setting the Jumpers Jumpers are used on MB820 to select various settings and features according to your needs and applications. Contact your supplier if you have doubts about the best configuration for your needs.
INSTALLATIONS MB820 User ’ s Manual 7 Jumper Locations on MB820 Jumper Locations on MB820 .............................................................. Page JP1: RS232/422/485 (COM2) Selection .................................................. 8 JP2: COM1 RS232 +5V/+12V Power Setting .
INSTALLATIONS 8 MB820 User ’ s Manual JP 1 : RS232/422/485 (COM2) Selection COM1 is fixed for RS - 232 use only. J3, COM2 is selectable for RS232, RS - 422 and RS - 485.
INSTALLATIONS MB820 User ’ s Manual 9 JP 4 : Clear CMOS Contents Use JP4 , a 3 - pin header, to clear the CMOS contents. Note that the ATX - power connector should be disconnected from the motherboard before clearing CMOS.
INSTALLATIONS 10 MB820 User ’ s Manual JP 7 : DiskOnChip Address Select JP 7 Address D0000 - D7FFF D8000 - D F FFF (default) JP8 : Onboard VGA Enable/Disable Use JP8 to enable or disable the onboard VGA controller.
INSTALLATIONS MB820 User ’ s Manual 11 [ Connectors on MB820 The connecto rs on MB820 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB820 and their respective functions.
INSTALLATIONS 12 MB820 User ’ s Manual Connector Locations on MB820.
INSTALLATIONS MB820 User ’ s Manual 13 ATXP1 : ATX Power Supply Connector ATXP1 is a 20 - pin ATX power supply c onnector. Refer to the following table for the pin out assignments.
INSTALLATIONS 14 MB820 User ’ s Manual CN1 : PS/2 Keyboard and PS/2 Mouse Connectors PS/2 Mouse PS/2 Keyboard Signal Name Keyboard Mouse Signal Name Keyboard data 1 1 Mous e data N.C. 2 2 N.C. GND 3 3 GND 5V 4 4 5V Keyboard clock 5 5 Mouse clock N.C.
INSTALLATIONS MB820 User ’ s Manual 15 CN4 : Parallel Port Connector CN4 is a DB - 25 external connector situated on top of the VGA and serial ports.
INSTALLATIONS 16 MB820 User ’ s Manual CN7 : USB and LAN RJ45 Connectors CN7 consists of an RJ - 45 connector (top) and two stacked USB ports. Refer to the section below for their respective pin assignments.
INSTALLATIONS MB820 User ’ s Manual 17 J 5, J6 : Serial ATA (SATA) Connectors The SATA connectors support serial ATA 150. Each connector can only use one serial ATA hard disk.
INSTALLATIONS 18 MB820 User ’ s Manual J11 : Digital I/O Connector (4 in, 4 out) This 12 - pin Digital I/O connector supports TTL levels and is used to control external devices requiring ON/OFF circuitry.
INSTALLATIONS MB820 User ’ s Manual 19 Power LED: Pins 11 - 15 The power LED indicates the status of the main power switch. Pin # Signal Na me 11 Power LED 12 No connect 13 Ground 14 No connect 15 G.
INSTALLATIONS 20 MB820 User ’ s Manual Hard Disk Drive LED Connector: Pins 10 and 20 This connector connects to the hard drive activity LED on control panel.
INSTALLATIONS MB820 User ’ s Manual 21 FDD1: Floppy Drive Connector Signal Name Pin # Pin # Signal Name Gr ound 1 2 RM/LC Ground 3 4 No connect Ground 5 6 No connect Ground 7 8 Index Ground 9 10 Mot.
INSTALLATIONS 22 MB820 User ’ s Manual IDE, IDE2: Primary and Secondary IDE Connectors Signal Name Pin # Pin # Signal Name Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host data 6 5 6 Host data .
INSTALLATIONS MB820 User ’ s Manual 23 Watchdog Timer Conf iguration The WDT is used to generate a variety of output signals after a user programmable count. The WDT is suitable for use in the prevention of system lock - up, such as when software becomes trapped in a deadlock.
INSTALLATIONS 24 MB820 User ’ s Manual mov cl, 0F5h call Read_Reg and al, NOT 08h call Write_Reg ;set count mode as second pop ax mov cl, 0F6h call Write_Re g ;set watchdog timer mov al, 01h mov cl,.
INSTALLATIONS MB820 User ’ s Manual 25 ; Name : Unlock_Chip ; IN : None ; OUT : None ;[]=============================================== Unlock_Chip Proc Near mov dx, 2 Eh mov al, 87h out dx, al out .
INSTALLATIONS 26 MB820 User ’ s Manual ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]============================== ================== === Read_Reg Proc Near mov al, cl .
BIOS SETUP MB820 User ’ s Manual 27 BIOS Setup This chapter describes the different settings available in the Award BIOS that comes with the motherboard . The topics covered in this chapter are as follows: BIOS Introduction .........................
BIOS SETUP 28 MB820 User ’ s Manual BIOS Introduction The Award BIOS (Basic Input/Output System) installed in your computer system’s ROM supports Intel ® Pentium ® 4 processors. The BIOS provides critical low - level support for a standard device such as disk drives, serial ports and parallel ports.
BIOS SETUP MB820 User ’ s Manual 29 Phoenix - AwardBIOS CMOS Setup Utility Standard CMOS Features Frequency/Voltage Control Advanced BIOS Features Load Fail - Safe Defaults Advanced Chipset Features.
BIOS SETUP 30 MB820 User ’ s Manual Standard CMOS Setup “Standard CMOS Setup” choice allows you to record some basic hardware configurations in your computer system and set the system clock and error handling. If the motherboard is already ins talled in a working system, you will not need to select this option.
BIOS SETUP MB820 User ’ s Manual 31 Time The time format is: Hour : 00 to 23 Minute : 00 to 59 Second : 00 to 59 To set the time, highlight the “Time” field and use the <PgUp>/ <PgDn> or +/ - keys to set the current time.
BIOS SETUP 32 MB820 User ’ s Manual Video This field selects the type of video display card installed in your system. You can choose the following video displ ay cards: EGA/VGA For EGA, VGA, SEGA, SVGA or PGA monitor adapters. (default) CGA 40 Power up in 40 column mode.
BIOS SETUP MB820 User ’ s Manual 33 Advanced BIOS Features This section allows you to configure and improve your system and allows you to set up some system features according to your preference.
BIOS SETUP 34 MB820 User ’ s Manual First/Second/Third Boot Device These fields determine the drive that the system searches first for an operating system. The options available include Floppy , LS 120 , Hard Disk , CDROM , ZIP100 , USB - FDD , USB - CDROM and Disable .
BIOS SETUP MB820 User ’ s Manual 35 Security Option This field allows you to limit access to the System and Setup. The default value is Setup . When you select System, the system prompts for the User Password every time you boot up.
BIOS SETUP 36 MB820 User ’ s Manual Advanced Chipset Features This Setup menu controls the configuration of the chipset. Phoenix - Award BIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing Selectable By SPD ITEM HELP CAS Latency Time 2.
BIOS SETUP MB820 User ’ s Manual 37 Memory Frequency For This field sets the frequency of the DRAM memory installed. The default setting is Au to . The other settings are DDR266, DDR333, DDR320 and DDR400 . System BIOS Cacheable The setting of Enabled allows caching of the system BIOS ROM at F000h - FFFFFh, resulting in better system performance.
BIOS SETUP 38 MB820 User ’ s Manual Integrated Perip herals This section sets configurations for your hard disk and other integrated peripherals. The first screen shows three main items for user to select. Once an item selected, a submenu appears. Details follow.
BIOS SETUP MB820 User ’ s Manual 39 Phoenix - AwardBIOS CMOS Setup Utility SuperIO Device Onboard FDC Controller Enabled ITEM HELP Onboard Serial Port 1 3F8/IRQ4 Menu Level Onboard Serial Port 2 2F8.
BIOS SETUP 40 MB820 User ’ s Manual On - Chip Serial ATA The default setting of Auto allows the Serial ATA drive to be enabled, when the system detects one. USB Controller The options for this field are Enabled and Disabled . By default, this field is set to Enabled .
BIOS SETUP MB820 User ’ s Manual 41 UART Mode Select This field determines the UART 2 mode in your computer. The default value is Normal . Other options include IrDA and ASKIR . Parallel Port Mode This field allows you to determine parallel port mode function.
BIOS SETUP 42 MB820 User ’ s Manual Power Management Setup The Power Management Setup allows you to save energy of your sy stem effectively. Phoenix - AwardBIOS CMOS Setup Utility Power Management S.
BIOS SETUP MB820 User ’ s Manual 43 Video Off Method This field defines the Video Off features. There are three options. V/H SYNC + Blank Default setting, blank the screen and turn off vertical and horizontal scanning. DPMS Allows BIOS to control the video display.
BIOS SETUP 44 MB820 User ’ s Manual Power On by Ring This field enables or disables the power on of the system through the modem connected to the serial port or LAN. Wake Up On LAN Enable this field to allow wake up function through the onboard LAN .
BIOS SETUP MB820 User ’ s Manual 45 PNP/PCI Configurations This option configures the PCI bus system. All PCI bus systems on the system use INT#, thus all installed PCI cards must be set to this value.
BIOS SETUP 46 MB820 User ’ s Manual PC Health Status This section shows the para meters in determining the PC Health Status. These parameters include temperatures, fan speeds and voltages. Phoenix - AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature Disabled ITEM HELP System Temp.
BIOS SETUP MB820 User ’ s Manual 47 Frequency/Voltage Control This section shows the user how to configure the processor frequency. Phoenix - AwardBIOS CMOS Setu p Utility Frequency/Voltage Control .
BIOS SETUP 48 MB820 User ’ s Manual Load Fail - Safe Defaults This option allows you to load the troubleshooting default values permanently stored in the BIOS ROM. These def ault settings are non - optimal and disable all high - performance features.
DRIVERS INSTALLATION MB820 User ’ s Manual 49 Drivers Installation This section describes the installation procedures for software and drivers under the Windows 98 SE , Windows ME, Windows 2000 and Windows XP . The software and drivers are included with the motherboard .
DRIVERS INSTALLATION 50 MB820 User ’ s Manual Intel 875P Chipset Software Intallation Utility The Intel ® 875P Chipset Drivers should be installed first before the software drivers to enable P lug & Play I N F support for Intel ® chipset components.
DRIVERS INSTALLATION MB820 User ’ s Manual 51 3. When the Welcome screen appears, click Next to continue. 4. Click Yes to accept the software license agreement and proceed with the ins tallation process.
DRIVERS INSTALLATION 52 MB820 User ’ s Manual 5. On Readme Information screen, click Next to continue the installation. 6. The Setup process is now complete. Click Finish to restart the computer and for changes to take effect. When the computer has restarted, the system will be able to find some devices.
DRIVERS INSTALLATION MB820 User ’ s Manual 53 Realtek AC 97 C odec A udio D river Installation Follow the steps below to install the Realtek AC97 Codec Audio Drivers. 1. Insert the CD that comes with the motherboard and the screen below would appear.
DRIVERS INSTALLATION 54 MB820 User ’ s Manual Intel PRO LAN Drivers Installation The Intel ® PRO LAN drivers support both Intel ® PRO/100 and PRO/1000 drivers. Follow the steps below to complete the installation. 1. Insert the CD that comes with the motherboard and the screen below would appear.
DRIVERS INSTALLATION MB820 User ’ s Manual 55 VGA Drivers Installation To install the SMI VGA d river s (SMI SM7 1 2) , f ollow the steps below to proceed with the installation. 1. Insert the CD that comes with the MB820 and the screen below would appear.
DRIVERS INSTALLATION 56 MB820 User ’ s Manual 3. A Welcome screen would then appear. Click Next to start copying of files needed for the driver installation. 4 . After file copying is done, restart the computer when prompted for changes to take effect.
An important point after buying a device Intel MB820 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Intel MB820 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Intel MB820 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Intel MB820 you will learn all the available features of the product, as well as information on its operation. The information that you get Intel MB820 will certainly help you make a decision on the purchase.
If you already are a holder of Intel MB820, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Intel MB820.
However, one of the most important roles played by the user manual is to help in solving problems with Intel MB820. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Intel MB820 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
