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IBASE Technology MB820 User Manual

Socket 478 pentium 4 intel 875p chipset industrial motherboard
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MB820
Socket 478 Pentium
4
®
Intel
875P Chipset
®
Industrial Motherboard
USER'S MANUAL
Version 1.1

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Summary of Contents for IBASE Technology MB820

  • Page 1 MB820 Socket 478 Pentium ® Intel 875P Chipset ® Industrial Motherboard USER’S MANUAL Version 1.1...
  • Page 2 Intel and Pentium 4 are registered trademarks of Intel Corporation. Microsoft Windows is a registered trademark of Microsoft Corporation. Winbond is a registered trademark of Winbond Electronics Corporation. All other product names or trademarks are properties of their respective owners. MB820 User’s Manual...

  • Page 3: Table Of Contents

    Installations ............5 Installing the CPU ............... 6 ATX Power Installation ............7 Installing the Memory ............7 Setting the Jumpers ............. 8 Connectors on MB820 ............13 Watchdog Timer Configuration ........25 BIOS Setup ............29 Drivers Installation ........51 Intel 875P Chipset Software Intallation Utility....52 Realtek AC97 Codec Audio Driver Installation....
  • Page 4 This page is intentionally left blank. MB820 User’s Manual...

  • Page 5: Introduction

    Introduction Checklist ® Your MB820 Pentium 4 motherboard package should include the items listed below: • The MB820 motherboard • This User’s Manual • 1 Backplate • 2 IDE Cable • 1 Floppy Cable • 2 SATA Cable • 1 Dual-Serial-Port Cable •...

  • Page 6: Product Description

    INSTALLATIONS Product Description ® The MB820 Pentium 4 motherboard incorporates the Intel 875P chipset that 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). ®...

  • Page 7: Specifications

    DiskOnChip socket supports up to 512MB capacity Watchdog Timer Supports 256 segments (0,1,2…255. sec/min) System Voltages +5V, +12V, -12V, 5VSB, -5V, 3.3V Board Size 12” x 9.5” (ATX form factor) Other Features IrDA interface, Modem Wakeup, LAN Wakeup MB820 User’s Manual...

  • Page 8: Board Dimensions

    INSTALLATIONS Board Dimensions MB820 User’s Manual...

  • Page 9: Installations

    INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the MB820 in order to set up a workable system. The topics covered are: Installing the CPU ............... 6 ATX Power Installation ............7 Installing the Memory ............7 Setting the Jumpers .............

  • Page 10: Installing The Cpu

    INSTALLATIONS Installing the CPU The MB820 motherboard supports a Socket 478 processor socket for ® ® Intel Pentium 4 processors. The Socket 478 processor socket comes with a lever to secure the processor. Raise this lever to about a 90° angle to allow the insertion of the processor.

  • Page 11: Atx Power Installation

    ATXP1 is to be connected to a standard ATX power connector. Installing the Memory The MB820 motherboard supports four DDR memory sockets for a maximum total memory of 4GB in DDR memory type. You can install unbuffered & ECC DDR DIMMs. It supports DDR266 when installed with CPUs that have clock speeds of 400MHz.

  • Page 12: Setting The Jumpers

    INSTALLATIONS 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. The following lists the connectors on MB820 and their respective functions.
  • Page 13 INSTALLATIONS Jumper Locations on MB820 Jumper Locations on MB820 ............Page JP1: RS232/422/485 (COM2) Selection..........10 JP2: COM1 RS232 +5V/+12V Power Setting ........10 JP3: COM2 RS232 +5V/+12V Power Setting ........10 JP4: Clear CMOS Contents ..............11 JP5: COM3 RS232 +5V/+12V Power Setting ........11 JP6: COM4 RS232 +5V/+12V Power Setting ........
  • Page 14 JP2: COM1 RS232 +5V/+12V Power Setting Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 Short/Closed JP3: COM2 RS232 +5V/+12V Power Setting Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 Short/Closed MB820 User’s Manual...
  • Page 15 JP5: COM3 RS232 +5V/+12V Power Setting Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 Short/Closed JP6: COM4 RS232 +5V/+12V Power Setting Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 Short/Closed MB820 User’s Manual...
  • Page 16 INSTALLATIONS JP7: DiskOnChip Address Select Address D0000-D7FFF D8000-DFFFF (default) JP8: Onboard VGA Enable/Disable Use JP8 to enable or disable the onboard VGA controller. Setting Onboard VGA Pin 1-2 Enabled Short/Closed Pin 2-3 Disabled Short/Closed MB820 User’s Manual...

  • Page 17: Connectors On Mb820

    INSTALLATIONS Connectors on MB820 The connectors 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. Connector Locations on MB820 ..........14 ATXP1: ATX Power Supply Connector ........
  • Page 18 INSTALLATIONS Connector Locations on MB820 Connectors on MB820 ............................Page ATXP1: ATX Power Supply Connector........................15 ATXP2: ATX 12V Power Connector ........................15 CN1: PS/2 Keyboard and PS/2 Mouse Connectors ....................16 CN2: 4-port USB Connector..........................16 CN3, J3: Serial Ports..............................16 CN4: Parallel Port Connector ..........................17 CN6: VGA CRT Connector...........................17...
  • Page 19 DIMM3 and DIMM4 are the second DDR channel connectors that must be use together at one time in order for the system to function properly. AGP1: AGP Slot PCI1, PCI2, PCI3, PCI4: PCI Slots SL1, SL2: ISA Slots MB820 User’s Manual...
  • Page 20 Pin # Signal Name DCD, Data carrier detect DSR, Data set ready RXD, Receive data RTS, Request to send TXD, Transmit data CTS, Clear to send DTR, Data terminal ready RI, Ring indicator GND, ground Not Used MB820 User’s Manual...
  • Page 21 CN6 is a DB-15 VGA connector located beside the COM1 port. The following table shows the pin-out assignments of this connector. Signal Name Pin # Pin # Signal Name Green Blue N.C. N.C. N.C. N.C. HSYNC VSYNC MB820 User’s Manual...
  • Page 22 J1 is used for an optional IrDA connector for wireless communication. Pin # Signal Name No connect Ir RX Ground Ir TX J4: CD-In Audio Connector Pin # Signal Name CD Audio R Ground Ground CD Audio L MB820 User’s Manual...
  • Page 23 J9 is a 3-pin header for the Wake On LAN function on the motherboard. The following table shows the pin out assignments of this connector. Wake On LAN will function properly only with an ATX power supply with 5VSB that has 1A. Pin # Signal Name +5VSB Ground LAN Wakeup MB820 User’s Manual...
  • Page 24 SMI / Hardware Switch Power LED Speaker Speaker: Pins 1 - 4 This connector provides an interface to a speaker for audio tone generation. An 8-ohm speaker is recommended. Pin # Signal Name Speaker out No connect Ground MB820 User’s Manual...
  • Page 25 Reset Switch: Pins 9 and 19 The reset switch allows the user to reset the system without turning the main power switch off and then on again. Orientation is not required when making a connection to this header. MB820 User’s Manual...
  • Page 26 FAN1: CPU Fan Power Connector Pin # Signal Name Ground +12V Rotation detection FAN2: VGA Fan Power Connector Pin # Signal Name Ground +12V Rotation detection FAN3: Chassis Fan Power Connector Pin # Signal Name Ground +12V Rotation detection MB820 User’s Manual...
  • Page 27 Drive select 1 Ground Drive select 0 Ground Motor enable 1 Ground Direction Ground Step Ground Write data Ground Write gate Ground Track 00 Ground Write protect FDD1 Ground Read data Ground Side 1 select Ground Diskette change MB820 User’s Manual...
  • Page 28 Host data 15 Ground Protect pin DRQ1 Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACK1 Ground IRQ15 No connect IDE2 Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activity Ground MB820 User’s Manual...

  • Page 29: Watchdog Timer Configuration

    ; OUT : None ;[]================================================ Enable_And_Set_Watchdog Proc Near push ;save time interval call Unlock_Chip mov cl, 2Bh call Read_Reg and al, NOT 10h call Write_Reg ;set GP24 as WDTO mov cl, 07h mov al, 08h call Write_Reg ;switch to LD8 MB820 User’s Manual...
  • Page 30 07h mov al, 08h call Write_Reg ;switch to LD8 xor al, al mov cl, 0F6h call Write_Reg ;clear watchdog timer xor al, al mov cl, 30h call Write_Reg ;watchdog disabled call Lock_Chip Disable_Watchdog Endp ;[]=============================================== MB820 User’s Manual...
  • Page 31 ; IN : CL - register index AL - Value to write ; OUT : None ;[]================================================ Write_Reg Proc Near push mov dx, 2Eh mov al,cl out dx,al pop ax inc dx out dx,al Write_Reg Endp ;[]================================================ MB820 User’s Manual...
  • Page 32 ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]================================================= Read_Reg Proc Near mov al, cl mov dx, 2Eh out dx, al inc dx in al, dx Read_Reg Endp ;[]================================================ MB820 User’s Manual...

  • Page 33: Bios Setup

    ............47 PC Health Status ................ 48 Frequency/Voltage Control ............49 Load Fail-Safe Defaults ............50 Load Setup Defaults ..............50 Set Supervisor/User Password ..........50 Save & Exit Setup ..............50 Exit Without Saving ..............50 MB820 User’s Manual...

  • Page 34: Bios Introduction

    <PgUp> and <PgDn> keys to change entries, <F1> for help and <Esc> to quit. When you enter the Setup utility, the Main Menu screen will appear on the screen. The Main Menu allows you to select from various setup functions and exit choices. MB820 User’s Manual...
  • Page 35 These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability. Changing the defaults could cause the system to become unstable and crash in some cases. MB820 User’s Manual...

  • Page 36: Standard Cmos Setup

    Sun to Sat Month : 1 to 12 Date : 1 to 31 Year : 1994 to 2079 To set the date, highlight the “Date” field and use the PageUp/ PageDown or +/- keys to set the current time. MB820 User’s Manual...
  • Page 37 These fields identify the types of floppy disk drive A or drive B that has been installed in the computer. The available specifications are: 360KB 1.2MB 720KB 1.44MB 2.88MB 5.25 in. 5.25 in. 3.5 in. 3.5 in. 3.5 in. MB820 User’s Manual...
  • Page 38 The system boot will not be halted for a disk error; it will stop for all other errors. All, But Disk/Key The system boot will not be halted for a key- board or disk error; it will stop for all others. MB820 User’s Manual...

  • Page 39: Advanced Bios Features

    Technology. Otherwise, this field will be hidden. Quick Power On Self Test When enabled, this field speeds up the Power On Self Test (POST) after the system is turned on. If it is set to Enabled, BIOS will skip some items. MB820 User’s Manual...
  • Page 40 Settings are from 6 to 30 characters per second. Typematic Delay (Msec) When the typematic rate is enabled, this item allows you to set the time interval for displaying the first and second characters. By default, this item is set to 250msec. MB820 User’s Manual...
  • Page 41 If you set this feature to Disabled, the BIOS will not report the missing floppy drive to Win95/98. Small Logo (EPA) Show The EPA logo appears at the right side of the monitor screen when the system is boot up. The default setting is Enabled. MB820 User’s Manual...

  • Page 42: Advanced Chipset Features

    SDRAM. DRAM RAS# Precharge This option sets the number of cycles required for the RAS to accumulate its charge before the SDRAM refreshes. The default setting for the Active to Precharge Delay is 3. MB820 User’s Manual...
  • Page 43 The memory controller will also be able to detect double-bit errors although it will not be able to correct them. This provides increased data integrity and system stability. However, this feature can only be enabled if you are using special ECC memory modules. MB820 User’s Manual...

  • Page 44: Integrated Peripherals

    Serial ATA Port1 Mode SATA1 master Phoenix - AwardBIOS CMOS Setup Utility Onboard Device Enabled ITEM HELP USB Controller Disabled Menu Level USB 2.0 Controller Disabled USB Keyboard Support Disabled USB Mouse Support AC97 Audio Auto LAN Controller Enabled MB820 User’s Manual...
  • Page 45 When Auto is selected, the BIOS will select the best available mode. IDE Primary/Secondary Master/Slave UDMA These fields allow your system to improve disk I/O throughput to 33Mb/sec with the Ultra DMA/33 feature. The options are Auto and Disabled. MB820 User’s Manual...
  • Page 46 These fields allow you to select the onboard serial and parallel ports and their addresses. The default values for these ports are: Serial Port 1 3F8/IRQ4 Serial Port 2 2F8/IRQ3 Serial Port 3 3E8H/IRQ5 Serial Port 4 Disabled Parallel Port 378H/IRQ7 MB820 User’s Manual...
  • Page 47 Normal. Other options include IrDA and ASKIR. Parallel Port Mode This field allows you to determine parallel port mode function. Standard Printer Port Enhanced Parallel Port Extended Capabilities Port Chip Select Pin This item is used in conjunction with the digital I/O function. MB820 User’s Manual...

  • Page 48: Power Management Setup

    Min. Power Saving Minimum power management Max. Power Saving Maximum power management. User Define Each of the ranges is from 1 min. to 1hr. Except for HDD Power Down which ranges from 1 min. to 15 min. MB820 User’s Manual...
  • Page 49 When the system enters Doze mode, the CPU clock runs only part of the time. You may select the percent of time that the clock runs. Wake-Up by PCI Cards Enable this field to allow wake up function through a PCI card. MB820 User’s Manual...
  • Page 50 When an I/O device wants to gain the attention of the operating system, it signals this by causing an IRQ to occur. When the operating system is ready to respond to the request, it interrupts itself and performs the service. MB820 User’s Manual...

  • Page 51: Pnp/Pci Configurations

    This field allows you to set whether or not MPEG ISA/VESA VGA cards can work with PCI/VGA. When this field is enabled, a PCI/VGA can work with an MPEG ISA/VESA VGA card. When this field is disabled, a PCI/VGA cannot work with an MPEG ISA/VESA card. MB820 User’s Manual...

  • Page 52: Pc Health Status

    This function can help prevent damage to the system that is caused by overheating. CPU/System/Chassis Fan Failure Warning When enabled, this field lets the system sounds an audible warning to the user that the CPU fan or chassis fan has malfunctioned. MB820 User’s Manual...

  • Page 53: Frequency/Voltage Control

    Auto Detect DIMM/PCI Clk This field enables or disables the auto detection of the PCI clock. Spread Spectrum This field sets the value of the spread spectrum. The default setting is Disabled. This field is for CE testing use only MB820 User’s Manual...

  • Page 54: Load Fail-Safe Defaults

    Select this option to exit the Setup utility without saving the changes you have made in this session. Typing “Y” will quit the Setup utility without saving the modifications. Typing “N” will return you to Setup utility. MB820 User’s Manual...

  • Page 55: Drivers Installation

    PRO LAN Drivers Installation ........ 56 VGA Drivers Installation ..........57 IMPORTANT NOTE: After installing your Windows operating system (Windows ® 98SE/ME/2000/XP), you must install first the Intel Chipset Software Installation Utility before proceeding with the drivers installation. MB820 User’s Manual...

  • Page 56: Intel 875P Chipset Software Intallation Utility

    Follow the instructions below to complete the installation under Windows 98SE/ME/2000/XP. 1. Insert the CD that comes with the motherboard and the screen below would appear. Click Intel Chipsets and then Intel(R) 875P Chipset Drivers. 2. Click Intel(R) Chipset Software Intallation Utility. MB820 User’s Manual...
  • Page 57 DRIVERS INSTALLATION 3. When the Welcome screen appears, click Next to continue. 4. Click Yes to accept the software license agreement and proceed with the installation process. MB820 User’s Manual...
  • Page 58 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. Restart your computer when prompted. MB820 User’s Manual...

  • Page 59: Realtek Ac97 Codec Audio Driver Installation

    1. Insert the CD that comes with the motherboard and the screen below would appear. Click Intel(R) Chipsets, then Intel(R) 875P Chipset Family Drivers. Click Realtek AC97 Codec Audio Drivers to start installation. 2. Click Finish to restart the computer and for changes to take effect. . MB820 User’s Manual...

  • Page 60: Intel Pro Lan Drivers Installation

    Click on LAN Card on the left side to make the LAN drivers selection. Click on Intel(R) PRO LAN Drivers. 2. Click Install Software to continue. 3. When prompted, click Restart to restart the computer for new settings to take effect. MB820 User’s Manual...

  • Page 61: Vga Drivers Installation

    To install the SMI VGA drivers (SMI SM712), follow the steps below to proceed with the installation. 1. Insert the CD that comes with the MB820 and the screen below would appear. Click VGA Card on the left side. 2. On the right side of the screen, click on SMI712 VGA Driver.
  • Page 62 DRIVERS INSTALLATION 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. MB820 User’s Manual...

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