Intel MS-6112 Manuel utilisateur

CHAPTER 1 INTRODUCTION

1-1

The MS-6112 is a high-performance personal computer mainboard based on

the Pentium®II processor.

The mainboard uses the highly integrated Intel®82440LX 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®82371AB 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®82371AB 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 LM78 System Hardware Monitor

Controller as optional function. The LM78 function includes: CPU /power

supply/chassis fan revolution detect, CPU/system voltage monitor, system

temperature monitor, and chassis intrusion detect(optional).

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®82440LXPCIChipset.

ClockGenerator

l66.6MHz clocks are supported.

MainMemory

lSupports six memory banks using three 168-pin unbuffered DIMM

sockets.

lSupportsamaximum memory sizeof512MB with SDRAM,or1GB with

EDO.

lSupportsECC(Error Check Correct)and EC(Multiple-Bit ErrorCorrection)

function.

lSupports 3.3v Extended Data Output (EDO) and SDRAM DIMM.

Slots

lOne AGP(Accelerated Graphics Port) slot.

- AGP specification compliant

- AGP66/133MHz 3.3v device support

lThree 32-bit Master PCI Bus slots and four 16-bit ISA bus slots wherein

one shared slot that can be used as ISA or PCI.

lSupports 3.3v/5v PCI bus Interface.

1-2

CHAPTER 1 INTRODUCTION

1-3

On-BoardIDE

lAn IDE controller on the Intel®82371AB PCI Chipset provides IDE HDD/

CD-ROM with PIO, Bus Master and Ultra DMA/33 operation modes.

lCan connect up to four IDE devices.

On-BoardPeripherals

lOn-BoardPeripherals include:

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

2.88Mbytes.

-2 serial ports (COMA +COMB)

- 1 parallel port supports SPP/EPP/ECP mode

- 2 USB ports

- 1 IrDA connector for SIR.

BIOS

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

peripheral devices and expansion cards of the board automatically.

lThe mainboard provides a Desktop Management Interface(DMI) function

which records your mainboard specifications.

On-BoardSystemHardwareMonitor(LM78)

lCPU/Power Supply/Chassis Fan Revolution Detect

lCPU Fan Control (the fan will automatically stop when the system enters

suspend mode)

lSystem Voltage Detect

lChassis Intrusion Detect(reserved)

lDisplay Actual Current Voltage

RTC

lNon-VolatileRTC.

KeyboardConnector

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

CHAPTER 1 INTRODUCTION

1-4

Dimension

lATXFormFactor: 30cm(L)x23cm(W)x4layersPCB.

lDouble deck I/O connectors, compatible with Intel®Venus Mainboard.

Mounting

l9 mounting holes.

CHAPTER 1 INTRODUCTION

1.2 Mainboard Layout

1-5

MS-6112

DIMM 3

Top: mouse

Bottom:

keyboard

Top: Port1

USB

Bottom:

Port2

Top: LPT

Bottom:

COM A

COM B

DIMM 2

DIMM 1

ISA SLOT

PCI SLOT 3

PCI SLOT 2

PCI SLOT 1

SLOT 1

ISA SLOT

FDC

BATT

IDE2

IDE1

LM75

(optional)

LM78

(optional)

ATX

Power Supply

BIOS

FW82371AB

JFP1

J10

SW1

JSW2

JMODE1

SFAN1

JSW1

CFAN1

IR1

PSFAN1

FW82443LX

Clock

Generator

Chassis

Intrusion

Sensor

(optional)

AGP

KBC

ISA SLOT

JGL1

JFAN

JLG1

JBAT1

CHAPTER 2 HARDWARE INSTALLATION

Chapter 2

HARDWARE INSTALLATION

2.1 Central Processing Unit: CPU

The mainboard operates withIntel®Pentium®IIprocessor. 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.

2-1

CHAPTER 2 HARDWARE INSTALLATION

2.1-1 CPU Installation Procedures

2-2

A. OEM Pentium®II processor Installation Procedures

There are two kinds of Pentium®II processor that is currently used: the

OEM Pentium®II processor and the Boxed Pentium®II processor. OEM

Pentium®II processor has no Heat Sink, Fan and Heat Sink Support, while

the Boxed Pentium®II processor is provided with Heat Sink w/ fan and Heat

Sink Support.

Required Things:

Pentium®IIprocessor - Processor.

*RetentionMechanism(RM) - PlasticGuide thatholds the S.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 ).

*HeatSinkSupport Base (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

CHAPTER 2 HARDWARE INSTALLATION

*HeatSinkSupport Pin (HSSPIN) - Plastic pins inserted through the

HSSBASE to secure it to the mainboard (2

required per Assembly).

*Heat SinkSupport 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 thePentium®II

processorwith metalclip.

Note:* Provided by MSI mainboard.

** Provided by Special request.

HSSPIN

HSSTOP

HSSBASE

2-3

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

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

2-5

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