MSI ATX IR1 Manual de usuario

CHAPTER 1 INTRODUCTION

1-1

The ATX IR1 mainboard is a high-performance personal computer

mainboard based on the AMD®AthlonTM processor with 3DNOWTM. The

AMD®AthlonTM processor is the newest microprocessor in the AMD K86TM

family of microprocessors.

The mainboard uses the highly integrated AMD®751 system controller and

AMD®756 peripheral controller. The AMD®751 system controller features:

the S2k system interface supports a 100Mhz clock and double-data rate

(DDR) transfers, the 33MHz 32-bit PCI bus interface supports up to five

masters, the 66MHz AGP 1.0 compliant interface supports 2x data transfer

mode, and High Speed memory designed to support a 100MHz SDRAM (PC-

100-compatible-DIMM) with serial presence detect(PSD). The AMD®756

peripheral bus controllers feature an integrated ISA bus controller, an

enhanced IDE controller with Ultra DMA-66 support, and a keyboard/mouse

controller.

The ATX IR1 mainboard is our first system board to implement the AMD®

750 chipset (AMD®751 and AMD®756), which supports a single Slot A for

AMD®AthlonTM processor.

Chapter 1

INTRODUCTION

CHAPTER 1 INTRODUCTION

1-2

1.1 Mainboard Features

CPU

lSlot A for AMD®AthlonTM processor.

lSupport500MHz,550MHz,600MHz,orhigherprocessor

Chipset

lAMD®IrongateTM chipset. (Northbridge)

-200MHzEV6SystemInterfacespeed

-100MHzSDRAM

-1x/2xAGp

- Status - Silicon currently in bring-up

lAMD®756TM(Viper) chipset. (Southbridge)

-OHCIUSB

-APIC

- ACPI Power Management

FrontSideBus(FSB)

l100MHz clock is supported.

MainMemory

lSupports three memory banks using three 168-pin unbuffered DIMM

sockets.

lSupportsamaximum memory size of768MBforSDRAM.

lSupports 3.3vPC100SDRAMDIMM.

Slots

lOne AGP (Accelerated Graphics Port) slot.

- AGP specification compliant

- AGP66/133MHz 3.3v device support

lFive 32-bit Master PCI Bus slots and two 16-bit ISA bus slots (wherein

one PCI/ISA is shared)

lSupports 3.3v/5v PCI bus Interface.

CHAPTER 1 INTRODUCTION

1-3

On-BoardIDE

lAn IDE controller on the AMD®756TM Viper chipset provides IDE HDD/

CD-ROMwith PIOand Ultra DMA/66 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

- 4 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.

Dimension

lATXForm Factor: 20.9cmx 30.5cm

Mounting

l8 mounting holes.

CHAPTER 1 INTRODUCTION

1-4

1.2 Mainboard Layout

MS-6167 ATX IR1 Mainboard

FDD

IDE2

IDE1

DIMM 1

DIMM 2

DIMM 3

Top: mouse

Top: Port1

USB

Bottom:

Port2

Top: LPT

Bottom:

COMA

COMB

ATX

Power Supply

J9: CPUFAN

PCI SLOT 3

PCI SLOT 2

PCI SlOT 1

SLOT A

AGP Slot

PCI SLOT 4

ISA SLOT 2

BATT

BIOS

J6: SYSFAN

AMD-756

chipset JFP1

AMD-751

chipset

JWOL

Bottom:

keyboard

ISA SLOT 1

PCI SLOT 5

USB

Front

Header

Winbond

W83977ATF-AW

J12:

PSFAN

JSLP1

JBAT1

CHAPTER 2 HARDWARE INSTALLATION

2-1

Chapter 2

HARDWARE INSTALLATION

2.1 Central Processing Unit: CPU

Step 1: Install the Retention Mechanism.

Attach the Retention Mechanism to the Mainboard. Push the Plastic

lock to secure the Retention Mechanism into the mainboard.

Secure the processor by

pulling up the Retention

Mechanism Processor

Lock

Insert the processor

like inserting a PCI or

an ISA card

To release the

processor, push the

Retention Mechanism

Processor lock down

Step 2: Install the Processor.

Insert the Processor like inserting a PCI or an ISA card.

Step 3: Lock the Processor.

Lock the processor by pulling up the Retention Mechanism proces-

sor lock shown above.

2.1-1 Processor Installation Procedure

CHAPTER 2 HARDWARE INSTALLATION

2-2

2.1-2 CPU Core Speed Derivation Procedure

The Mainboard can auto-detect the processor speed. Just insert the

AMD Athlon processor into Slot A.

If CPUClock = 100MHz

Core/Bus ratio = 5

then CPU core speed = Host Clock x Core/Busratio

= 100MHz x5

= 500MHz

CHAPTER 2 HARDWARE INSTALLATION

2-3

2.1-4 Fan Power Connectors: J9, J12, & J6

These connectors support system cooling fan with + 12V. It supports three

pin head connector. When connecting the wire to the connector, always

take note that the red wire is the positive and should be connected to the

+12V, the black wire is Ground and should be connected to GND. If your

mainboard has System Hardware Monitor chipset on-board, you must use a

specially designed fan with speed sensor to take advantage of this function.

For fans with fan speed sensor, every rotation of the fan will send out 2

pulses. System Hardware Monitor will count and report the fan rotation

speed.

Note: 1. Always consult vendor for proper CPU cooling fan.

2. CPU FAN supports the FAN control. You can install PC Alert

utility. This will automatically control the CPU FAN Speed according

to the actual CPU temperature.

J9: Processor Fan

J12: Power Supply Fan

J6: System Fan

+12VGND SENSOR

GND

+12V

Sensor

J12

+12VGND SENSOR

CHAPTER 2 HARDWARE INSTALLATION

2-4

2.2 Clear CMOS Jumper: JBAT1

A battery must be used to retain the mainboard configuration in CMOS

RAM. Short 1-2 pins of JBAT1 to store the CMOS data.

Keep Data Clear Data

Note: You can clear CMOS by shorting 2-3 pin, while the system is off.

Then, return to 1-2 pin position. Avoid clearing the CMOS while

the system is on, it will damage the mainboard. Always unplug

the power cord from the wall socket.

JBAT1

CHAPTER 2 HARDWARE INSTALLATION

2-5

2.3 Memory Installation

2.3-1 Memory Bank Configuration

Themainboardsupportsa maximum memory size of 768MB for SDRAM: It

provides three 168-pin unbufferedDIMMs (Double In-Line Memory Mod-

ule) sockets. It supports 8 MB to 256 Mbytes DIMM memory module.

DIMM3(Bank0+Bank1)

DIMM2(Bank2+Bank3)

DIMM1Bank4+Bank5)

CHAPTER 2 HARDWARE INSTALLATION

2-6

A. HowtoinstallaDIMMModule

1. The DIMM slot has 2 Notch Keys “VOLT and DRAM”, so the

DIMM memory module can only fit in one direction.

2. Insert the DIMM memory module vertically into the DIMM slot.

Then push it in.

3. The plastic clip at the side of the DIMM slot will automatically

close.

Single Sided DIMM

Double Sided DIMM

VOLTDRAM

2.3-2 Memory Installation Procedures

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