IBASE Technology MB820 Manual de usuario

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

Corporation.

IntelandPentium4areregisteredtrademarksofIntelCorporation.

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 iii

Table of Contents

Introduction....................................................... 1

Checklist...........................................................................1

Product Description ..........................................................2

Board Dimensions.............................................................3

Installations....................................................... 4

ATX Power Installation.....................................................5

Installing the Memory.......................................................5

Setting the Jumpers...........................................................6

Connectors on MB820.....................................................11

Watchdog Timer Configuration.......................................23

BIOS Setup....................................................... 27

Drivers Installation...................................... 49

Intel 875P Chipset Software Intallation Utility.................50

Realtek AC97 Codec Audio Driver Installation ...............53

Intel PRO LAN Drivers Installation.................................54

VGA Drivers Installation.................................................55

iv MB820 User’s Manual

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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

•1 Backplate

•2IDE Cable

•1 Floppy Cable

•2 SATA Cable

•1 Dual-Serial-Port Cable

•1 CD containing the following:

•Chipset Drivers

•Flash Memory Utility

INSTALLATIONS

2MB820 User’s Manual

Product Description

The MB820 Pentium®4motherboard incorporates the Intel 875P chipset

that can utilize asingle PGA478 processor of up to 3.2GHz or higher and

supports FSB frequency of 400/533/800Mhz (100Mhz, 133Mhz, and

200Mhz HCLK respectively).

The 875P chipset is designed for use with the Pentium®4 processor with

512-KB L2 cache on 0.13 micron process. The integrated MCH

component provides the CPU interface, DDR interface, AGP interface,

Hub Interface and AGP 8X graphics interface.

Four DDR memory sockets supports DDR 400/333/266 SDRAM

DIMM modules of up to 4GB in capacity. ECC is also supported.

The board also comes optional with either integrated 10/100MB LAN

support or an Intel®82547GI Gigabit LAN controller. Two Serial ATA

connectors offer 1.5 Gigabits/sec data throughput speed -faster than the

most advanced parallel ATA.

Expansion is provided by four PCI slots, two ISA slots and one AGP8X

interface. Other advanced features include six USB 2.0 ports, IrDA

interface, PCI to ISA bridge, digital I/O, four serial ports, watchdog timer

and audio function. Dimensions of the board are 12”by 9.5”in an ATX

form factor.

INTRODUCTION

MB820 User’s Manual 3

Board Dimensions

INSTALLATIONS

4MB820 User’s Manual

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:

ATX Power Installation

Installing the Memory

Setting the Jumpers

Connectors on MB820

Watchdog Timer Configuration

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.

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. It supports DDR266/333

when installedwith CPUs that have clock speeds of 533MHz. It supports

DDR266/320/400 when installed with CPUs that have clock speeds of

800MHz. The board provides dual channel functionality for its DIMM

slots. DIMM1/2is for one channel and DIMM3/4 is for another channel.

Enabling dual channels can increase data access rates by putting two

similar-size DDR modules into two same-color DIMM slots.

Basically, the system memory interface has the following features:

Supports two 64-bit wide DDR data channels

Available bandwidth up to 3.2GB/s (DDR400) for single-channel

mode and 6.4GB/s (DDR400) in dual-channel mode.

Supports ECC DIMMs.

Supports 128Mb, 256Mb, 512Mb, 1Gb DDR technologies.

Supports only x8, x16, DDR devices with four banks

Registered DIMMs not supported

Supports opportunistic refresh

Up to 16 simultaneously open pages (four per row, four rows

maximum)

INSTALLATIONS

6MB820 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. The following

lists the connectors on MB820 and their respective functions.

Jumper Locations on MB820.............................................................7

JP1: RS232/422/485 (COM2) Selection..........................................8

JP2: COM1 RS232 +5V/+12V Power Setting.................................8

JP3: COM2 RS232 +5V/+12V Power Setting.................................8

JP4: Clear CMOS Contents................................................................9

JP5: COM3 RS232 +5V/+12V Power Setting.................................9

JP6: COM4 RS232 +5V/+12V Power Setting.................................9

JP7: DiskOnChip Address Select.....................................................10

JP8: Onboard VGA Enable/Disable.................................................10

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