MSI MS-6120 Manual de usuario

CHAPTER 1 INTRODUCTION

1-1

Chapter 1

INTRODUCTION

The ATX BX2 mainboard is a high-performance dual-processor personal

computer mainboard based on the Intel®Pentium®II processor. The Intel®

Pentium®II processor supports MMXTM(Multimedia Extension) technology.

The mainboard uses the highly integrated Intel®82440BX chipset to support

the PCI/ISA and Green standards, and to provide the Host/AGP bridge. The

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 System Hardware Monitor Controller as an

optional function. This function includes: CPU /power supply/chassis fan

revolution detect, CPU/system voltage monitor, system temperature monitor,

and chassis intrusion detect(optional).

CHAPTER 1 INTRODUCTION

1-2

1.1 Mainboard Features

CPU

lTwo Slot 1 for Intel®Pentium®II processor.

lSupportsFSB66MHzfor233MHz,266MHz,300MHz,333MHzandhigher.

FSB100MHz for 350MHz,400MHz, 450MHz, 500MHzand higher

Chipset

lIntel®82440BXAGPchipset.

ClockGenerator

l66.6MHz/100MHzclocks are supported.

MainMemory

lSupports eight memory banks using four 168-pin unbuffered DIMM

sockets.

lSupportsa maximum memorysizeof 1GB forRegisteredSDRAM and

512MBforUnbufferedSDRAM.

lSupportsECC(1- bit Error CodeCorrect)and EC(Multiple-Bit ErrorDetect)

function.

Slots

lOne AGP(Accelerated Graphics Port) slot.

- AGP specification compliant

- AGP66/133MHz 3.3v devicesupport

lFive 32-bit PCI Bus slots (provides four PCI Master slots and one PCI

Slave slot) and two 16-bit ISA bus slots (one shared slot)

lSupports 3.3v/5v PCI bus Interface.

On-BoardIDE

lAn IDE controller on the Intel®82371EB PCI Chipsetprovides IDE HDD/

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

lCan connect up to four IDE devices.

CHAPTER 1 INTRODUCTION

1-3

On-BoardDualChannelUltraWideSCSI

lAdaptec®7895 Dual Channel Ultra Wide chipset.

On-BoardPeripherals

lOn-Board Peripherals include:

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

2.88Mbytes.

- 2 serial ports (COMA + COMB) or 1 serial port and 1 IrDA port.

- 1 parallel port supports SPP/EPP/ECP mode

- 2 USB ports

SwitchingVoltage Regulator

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

lConforms to Intel VRM ver 8.1 specifications.

lOver-Voltage and Over-Current protection.

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.

Dimension

lATX form factor: 30cm(L) x 25cm(W)x6layersPCB

Mounting

l9 mounting holes.

SystemHardwareMonitor(optional)

lCPU/Power Supply/Chassis Fan Revolution Detect

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

suspend mode)

lSystem Voltage Detect

lCPU Overheat Warning.

lDisplay Actual Current Voltage

CHAPTER 1 INTRODUCTION

1-4

1.2 Mainboard Layout

MS-6120

DIMM 1

Top: mouse

Bottom:

keyboard

Top:Port1

USB

Top: LPT

Bottom:

COMA

COMB

DIMM 2

DIMM 3

DIMM 4

ISA SLOT 1

PCI SLOT 4

PCI SLOT 3

PCI SLOT 2

PCI SLOT 1

SLOT 1

ISA SLOT 2

FDC

BATT

IDE2

IDE1

Hardware

Monitor

ATX

Power Supply

BIOS

FW82371EB

JFP1

JIPWR

CSFAN1

CFAN1

IR1

PSFAN1

FW82443BX

AGP

Bottom:

Port2

CFAN2

PCI SLOT 5

SLOT 1

I/O

APIC

16-bitUltraWide SCSI CH1

JWLED1

JBAT1

JMDM1 JWOL1

JSOUND

JSOR1 JSOR2

JRMS1

JRMS2

JSM1

SW1

JGS1

JGL1

16-bitUltraWide SCSI CH2

8-bitUltra SCSI CH2

Adaptec

7895

JDSCSI

CHAPTER 2 HARDWARE INSTALLATION

2-1

Chapter 2

HARDWARE INSTALLATION

2.1 Central Processing Unit: CPU

Themainboard operates withIntel®Pentium®II processorwithMMXTM

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 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)-Plastic Guide thatholdsthe 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 ).

*Heat SinkSupport 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

2-3

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

HSSBASE to secure it to the mainboard (2

required per Assembly).

*Heat SinkSupportTopBar (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 metal clip.

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

CHAPTER 2 HARDWARE INSTALLATION

2-6

Step 5: Install the Heat Sink with Fan to the Processor.

Push down the metal clips, so that they are in line with the back of

the Heat Sink. Be careful, so as not detach the metal clips from the

HeatSink.

In case the metal clips are detached from the Heat Sink, re-attach

them. Look for the arrow on the metal clip. This arrow should be

pointing down and aligned with the Heat Sink Support Base Holder.

Attach the Heat Sink to the processor.

- Look at the back of the Heat Sink and take note of the 2 secure

posts. Insert these 2 Secure posts to the 2 secure holes on the

back of the processor.

- Align the ears of the metal clips with the clip holders on the back of

the processor. Use a screw driver to push the metal clips onto the

clip holders. Check for a perfect fit.

Pentium®II processor (Back)

Thearrow

shouldbe

pointing

down.

Metal Clips

Heat Sink w/ Fan

Metal Clips Ear

Secure

Posts

Heat Sink w/ Fan(Back)

HeatSink

BaseHolder

Secure

holes

Clip Holder

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