MSI NLX EX3 Manual de usuario

CHAPTER 1 INTRODUCTION

1-1

The NLX EX3 mainboard is a high-performance personal computer

mainboard based on the Pentium®II processor. The mainboard supports

Intel®82558 Network chip, YAMAHAYMF715 sound chip and ATI 3D

RAGEPRO/RAGEIICforgraphicsaccelerator. The Pentium®II processor

supports MMXTM (Multimedia Extension) technology.

The mainboard uses the highly integrated Intel®82440EX AGPset which

optimize the system bandwidth and concurrency with the implementation of

Quad Port Acceleration (QPA). QPA provides 4-port concurrent arbitration

of the processor bus, graphics, PCI bus and SDRAM.

The Intel®82371EB chipset integrates all system control functions such as

ACPI (Advanced Configuration and Power Interface). The ACPI provides

more Energy Saving Features for the OSPM(OS Direct Power Management)

function. The Intel®82371EB chipset also improves the IDE transfer rate by

supporting Ultra DMA/33 IDE that transfers data at the rate of 33MB/s.

The mainboard also supports the W83781D System Hardware Monitor

Controller as optional function. The System Hardware Monitor function

includes: CPU /power supply/chassis fan revolution detect, CPU/system

voltage monitor, system temperature monitor, and chassis intrusion detect.

Chapter 1

INTRODUCTION

CHAPTER 1 INTRODUCTION

1.1 Mainboard Features

CPU

lSlot 1 for Pentium®II processor.

lSupports200MHz,233MHz,266MHz,300MHz,and333MHz.

lCore/Busratiosare x2, x2.5,x3, x3.5,x4,x4.5,x5,x5.5, x6and higher.

SwitchingVoltageRegulator

lOn-board switching mode DC-DC Step Down Regulator.

lConforms to Intel®VRM ver 8.1 specifications.

lOver-Voltage and Over-Current protection.

Chipset

lIntel®82440EX/LXAGP Chipset.

ClockGenerator

l66.6MHz clocks are supported.

MainMemory

lSupports four memory banks using two 168-pin unbuffered DIMM

sockets.

lSupportsa maximum memorysize of 512MB.

lSupports 3.3v unbuffered DIMM.

lSupports Symmetric and Asymmetric DIMM.

lSupports EDO and SDRAM memory.

VGA

lATI®3DRAGE PRO/RAGEIIC

-Running onAGP BUS2x forRAGEPRO/1X forRAGE IIC

-Onboard 2MB/ 4MB SGRAM

- 3D Acceleration.

1-2

CHAPTER 1 INTRODUCTION

1-3

SystemHardwareMonitor

lThis can be used with Intel®LDCM to monitor system voltage, system

temperature & fan rotation speed.

lThis can also be used to monitor overall system status over the network.

lSystem temperature sensor: (TOP Tech)

- detect Pentium®II processor’s temperature.

lSystem voltage monitor:

- monitorCPUcorevoltage,CPUinterfacevoltage,3.3v,+12v,+5v

lFan speed monitor:

- monitor chassis fan, power fan & CPU cooling fan speed.

lChassis intrusion sensor: (reserved)

- monitor any intrusion on the Chassis.

PowerManagementFeatures

lDoze/Standby/Suspend mode.

lSystem management mode compliant.

lSupport APM 1.2.

lMeet ACPI spec.

lPC97compliant.

Sound

lYAMAHAYMF715

lBuilt-inOPL3 (FM synthesizer)

lSupports Sound Blaster game compatibility

lSupports Windows sound system compatibility

lSupport Plug and Play.

lFull duplex DMA allowing 8-bit or 16-bit data for record and playback.

l3D audio effects.

lStereo enhancement support.

lAdvanced power management.

CHAPTER 1 INTRODUCTION

1-4

Network

lIntel®8255810/100M Ethernet.

lWFW baseline & NET PC specs compliant.

lACPI

lMagic packet filtering to wake-up LAN.

lARP&FLEXIBLEframefiltering.

lSoftware drivers are backwards compatible.

Note: Requires an ATX power supply with 720mA 5VSB (5v Stand by).

RearMainboardConnectors

lPS/2®keyboard interface and PS/2®mouse interface.

lOne COM port connector.

lOne VGA port connector.

lOneprinterportwithSPP/EPP/ECPfunction.

lOne USB connector.

lOne MIDI/Joystick connector.

lOneRJ-45LANconnector.

lAudio conectors: Speaker/Line-In/Mic.

Dimension

lNLXFormFactor: 20.7cm(L) x25.4cm(W)x4layers PCB.

OtherFeatures

lBulkErase Flash ROM.

lSupports DMI.

lSystem Wake-up by modem.

lSystem Wake-up by alarm.

lSoft-power off. (Windows®95)

lPolyfuse function.

- this function works when the electric current is larger than 2A. It will

become an open circuit to protect your mainboard. Turn the power off for

1-3 secs for polyfuse to recover.

lLANwake-up.(reserved)

lKeyboard password wake-up system. (reserved)

lRestore AC power loss status.

CHAPTER 1 INTRODUCTION

1.2 Mainboard Layout

1-5

mouse keyboard

T: LPT

B: COM A

VGA Port LAN L-IN L-OUT

BATT

SW1

MS-6125

COMB

Intel®

82558

10/100M

Ethernet

Yamaha

YMF715

SLOT 1

FW82371EB

BIOS

DIMM 2

DIMM 1

FW82443LX/EX

ATI®

RagePRO/Rage IIC

JGAME1

JVGA1

CPUFAN

JBAT1

JP2

CHAPTER 2 HARDWARE INSTALLATION

2-1

Chapter 2

HARDWARE INSTALLATION

2.1 Central Processing Unit: CPU

The mainboardoperates with Intel®Pentium®IIprocessorwith MMXTM

technology. The mainboard uses a CPU Slot called Slot 1 for easy CPU

installation and a DIP switch (SW1) to set the proper speed for the CPU.

The CPU should always have a Heat Sink and a cooling fan attached to

prevent overheating.

CHAPTER 2 HARDWARE INSTALLATION

2-2

2.1-1 CPU Installation Procedures

A. OEM Pentium®II processor Installation Procedure

Required Things:

Pentium®IIprocessor- Processor.

*RetentionMechanism(RM)- Plastic Guide that holdstheS.E.C. Catridge

in the Slot 1 connector.

*RetentionMechanismAttachMount(RMAM) - Bolt/Bridgeassemblies

inserted up through the bottom of the

motherboard. RM secures to RMAM ( 2

RMAM required per RM ).

*Heat Sink SupportBase (HSSBASE) - Plastic support bar mounted to

the mainboard under the ATX heatsink.

(One leg is always bigger than the other one)

Processor

Lock

Retention

Mechanism

Pentium®II

Processor

Heat Sink

W/Fan

Notch Hole

Heat Sink

Support Base Heat Sink

Support Pin

Heat Sink

Support

Top Bar

Different kinds of Pentium®II processor that is currently used: the OEM

version, the Boxed version, and CeleronTM. OEM Pentium®II Processor has

no Heat Sink, Fan and Heat Sink Support, the Boxed Pentium®II Processor

is provided with Heat Sink w/ fan and Heat Sink Support, while the

CeleronTM processor is a plane processor card without cover or heatsink..

CHAPTER 2 HARDWARE INSTALLATION

2-3

*HeatSink Support Pin (HSSPIN)- Plastic pins inserted through the

HSSBASE to secure it to the mainboard (2

required per Assembly).

*Heat Sink Support Top Bar (HSSTOP) - Plastic bar that clips onto the

HSSBASE through the fins on the ATX

heatsink.

**Heat Sink w/ fan - Heat Sink that can be attached to the Pentium®II

processorwithmetalclip.

Note:* Provided by MSI mainboard.

** Provided by Special request.

HSSPIN

HSSTOP

HSSBASE

RMAM

CHAPTER 2 HARDWARE INSTALLATION

2-4

SLOT1

Retention

Mechanism

êê

Key

êê

Retention

Mechanism

Attach Mount

Notch

Key

Step 1: Insert the Retention Mechanism Attach Mount at the bottom

of the mainboard.

Step 2: Install the Retention Mechanism.

Look for the key on Slot 1, and match it with the Notch Key on the

Retention Mechanism for proper direction. Then, attach the

Retention Mechanism to the Retention Mechanism Attach Mount.

Use a Screwdriver to secure the Retention Mechanism.

CHAPTER 2 HARDWARE INSTALLATION

2-5

Step 3: Install the Heat Sink Support Base.

Look for the Two holes across Slot 1, and match it with the Two legs

of the Heat Sink Support Base for the proper direction. Take note

that one hole/leg is bigger than the other. The Four top pins of the

Heat Sink Support Base should also be oriented towards Slot 1.

Push the Heat Sink Support Base onto the mainboard, until you hear

a click sound. Check for a perfect fit.

Step 4: Install the Heat Sink Support Pin.

Push the Heat Sink Support Pins onto the two holes of the Heat Sink

Support Base. Check for a perfect fit. These pins are used to secure

the Heat Sink Support Base.

Heat Sink

Support Base

Heat Sink

Support Pin

Leg

pins

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