MSI 850 Pro2 Manuale utente

Introduction

1-1

Chapter 1.

Introduction

The MS-6523 ATX mainboard is a high-performance computer

mainboard based on Intel®82850 chipset. The MS-6523 is optimized to

support the Intel®Pentium®4 processor for high-end business/personal

desktop markets.

The Intel®Tehama chipset supports 64B cache line size and a 32-bit

host addressing, allowing the processor to access the entire 4GB of the

chipset’s memory address space. It also provides 4x AGP data transfers and

AGP Fast Writes capability.

The Intel®Tehama chipset features a dual channel Direct RDRAM

memory operating in lock-step using RSL technology. It is a highly-flexible

chipset which is designed to extend the basic graphics/multimedia PC

platform up to the mainstream performance desktop platform.

The Intel®82801BA (ICH2) chipset is a highly integrated

multifunctional I/O Controller Hub that provides the interface to the PCI Bus

and integrates many of the functions needed in today’s PC platforms. It

communicates with the host controller over a dedicated hub interface and

provides added flexibility in designing cost-effective system solutions.

This chapter includes the following topics:

Mainboard Specification 1-2

Mainboard Layout 1-4

Quick Components Guide 1-5

Key Features 1-6

MSI Special Features 1-7

Chapter 1

1-2

CPU

zSupports Intel®Willamette processor

zSupports1.3GHz,1.4GHz,1.5GHz,1.7GHz,2.0GHzorfaster

Chipset

zIntel®Tehama chipset

-Up to2GB maximummemory (Rambus)

- AGP interface with 4x SBA/Data Transfer

zIntel®ICH2 chipset

- AC’97 Controller Integrated

- 2 Full IDE channels, up to ATA100

- Low pin count interface for SIO

Main Memory

zSupports four 184-pin gold-lead RIMM sockets

zSupportsamaximummemorysizeof 2GB

Slots

zOne AGP (Accelerated Graphics Port) slot

- supports 4x mode

zOne CNR (Communication Network Riser) slot

zFour 32-bit/33MHz Master PCI Bus slots.

zSupports 3.3v/5v PCI bus Interface

On-Board IDE

zAn IDE controller on the Intel®ICH2 chipset provides IDE HDD/CD-ROM

with PIO, Bus Master and Ultra DMA 33/66/100 operation modes.

zCan connect up to four IDE devices

Integrated Super I/O Controller

zWinbond W83627HF-AW I/O controller

- 1 floppy port supports 2 FDDs with 360K, 720K, 1.2M, 1.44M and

2.88M bytes.

- 2 serial ports (COM A + COM B)

- 1 parallel port supports SPP/EPP/ECP mode

- 4 USB ports (Rear*2 / Front*2)

Mainboard Specification

Introduction

1-3

- 1 IrDA connector for SIR

Audio

zICH2 chip integrated

zAC’97 Codec

BIOS

zThe mainboard BIOS provides “Plug & Play” BIOS which detects the

peripheral devices and expansion cards of the board automatically.

zIDE drive auto configure, Advanced Power Management (APM) 1.2,

ACPI 1.0, DMI 2.0, ECC/Parity support, LS-120 support.

Dimension

zATX Form Factor : 12 inches (L) x 9 inches (W) x 4 layers PCB

Mounting

z10 mounting holes

Chapter 1

1-4

Mainboard Layout

MS-6523 ATX Mainboard

AGP Slot

BATT

ICH2

J18

J19 JWOL1 JMDM1 JGL1

(Optional)

J16

J17

SYSFAN

JRMS1

JFP1

Codec

JWR1

Winbond

W83627HF

ATX

PowerSupply

CPUFAN

JWR2

PSFAN1

FWH

PCI Slot 4

PCI Slot 3

PCI Slot 2

PCI Slot 1

IDE1

IDE2

CNR

USB

ports

Top :

Parallel Port

Bottom:

COMA

COMB

T : mouse

B: keyboard

J11J10

J12

Top :

Gameport

Bottom:

Line-Out

Line-In

Mic

FDD1

D-LED (Optional)

RIMM2

RIMM3

RIMM4

RIMM1

Introduction

1-5

Quick Components Guide

Component Function Reference

RIMM1~4 Installing RIMM modules See p. 2-4~2-5

Socket 423 Installing CPU See p. 2-2~2-3

CPUFAN Connecting to CPU FAN See p. 2-20

SYSFAN Connecting to SYSTEM FAN See p. 2-20

PSFAN1 Connecting to POWER SUPPLY FAN See p. 2-20

ATX Power Supply Installing power supply See p. 2-6

JWR1 Connecting to 12V ATX power supply See p. 2-7

JWR2 Connecting to 5V/3V ATX power supply See p. 2-7

IDE1& IDE2 Connecting to IDE hard disk drives See p. 2-13

FDD1 Connecting to floppy disk drive See p. 2-12

JUSB1 Connecting to USB interfaces See p. 2-22~2-24

PCI Slot 1~4 Installing expansion cards See p. 2-30

AGP Slot Installing AGP cards See p. 2-30

CNR Slot Installing CNR cards See p. 2-30

JMDM1 Connecting to modem module See p. 2-18

JWOL1 Connecting to LAN module See p. 2-18

JBAT1 Clearing CMOS data See p. 2-25

JFP1 Connecting to case See p. 2-14

JGS1 Connecting to power saving switch See p. 2-17

JGL1 Connecting to power saving LED See p. 2-16

J18 Connecting to IR module See p. 2-19

J12 Connecting to chassis intrusion switch See p. 2-19

JRMS1 Connecting to power switch See p. 2-17

J15 Setting beep output device See p. 2-29

J16 Enabling BIOS flash function See p. 2-28

J17 Clearing BIOS password See p. 2-28

J19 Enabling onboard audio codec See p. 2-27

J20 Setting RDRAM voltage See p. 2-26

Chapter 1

1-6

zATX Form Factor

zCPU: Socket 423 for Intel®Willamette Processors

zMemory: 4 RIMM DIMMs

zSlot: 1 AGP slot, 1 CNR slot, 4 PCI slots

zI/O: 2 serial ports, 1 parallel port, 4 USB 1.1 ports, 1 floppy port, 1 IrDA

connector, 1 Audio/Game port

zUSB Interface: USB 1.1 PC to PC Networking (Optional)

zLAN Wake up Function

zModem (External/Internal) Ring Wake up Function

zD-LED™ --4DiagnosticsLEDs embedded on themainboard(Optional)

zPC AlertTM III system hardware monitor (Optional)

zAudio: Chip integrated

Key Features

Introduction

1-7

PC Alert™ III (Optional)

The PC AlertTM III is a utility you can find in the CD-ROM disk. The

utility is just like your PC doctor that can detect the following PC hardware

status during real time operation:

* monitor CPU & system temperatures

* monitor fan speed(s)

* monitor system voltage

* monitor chassis intrusion

If one of the items above is abnormal, the program main screen will be immedi-

ately shown on the screen, with the abnormal item highlighted in red. This will

continue to be shown,until user disables the warning.

MSI Special Features

Note: Items shown on PC Alert III vary depending on your system’s status.

The MSI special features are designed by MSI R&D which are only available in

MSI mainboards. The MS-6523 mainboard is optionally equipped with PC

Alert™IIIandD-LED™.

Chapter 1

1-8

Features:

zNetwork Management

- Monitoring & remote control

zBasic System Utilities

- Scandisk & Defragment to maintain your HDD

z3D Graphics Design

- Enables a more friendly user interface

zSofwareUtilities

- SoftCooler Optimized Cooling

Introduction

1-9

D-LED™ (Optional)

D-LED Description

System Power ON

- The D-LED will hang here if the processor is damaged or not

installed properly.

Early Chipset Initialization

Memory Detection Test

- Testing onboard memory size. The D-LED will hang if the

memory module is damaged or not installed properly.

Decompressing BIOS image to RAM for fast booting.

Initializing Keyboard Controller.

Testing VGA BIOS

- This will start writing VGA sign-on message to the screen.

Red Green

The D-LED™ uses graphic signal display to help

users understand their system. Four LEDs embedded in

the mainboard provide up to 16 combinations of signals to

debug the system. The 4 LEDs can debug all problems that

fail the system, such as VGA, RAM or other failures. This

special feature is very useful for the overclocking users.

These users can use the feature to detect if there are any

problems or failures.

Diagnostic LED

1 2 3 4

Chapter 1

1-10

Processor Initialization

- This will show information regarding the processor (like brand

name, system bus, etc…)

Testing RTC (Real Time Clock)

Initializing Video Interface

- This will start detecting CPU clock, checking type of video

onboard. Then, detect and initialize the video adapter.

BIOS Sign On

- This will start showing information about logo, processor

brand name, etc….

Testing Base and Extended Memory

- Testing base memory from 240K to 640K and extended

memory above 1MB using various patterns.

Assign Resources to all ISA.

Initializing Hard Drive Controller

- This will initialize IDE drive and controller.

Initializing Floppy Drive Controller

- This will initializing Floppy Drive and controller.

Boot Attempt

- This will set low stack and boot via INT 19h.

Operating System Booting

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