MSI LPX SI15 Manual de usuario

CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

1-1

The MSI LPX SI15 mainboard is a high-performance personal computer

mainboard based on the Pentium®

processor. This mainboard supports

Intel®Pentium®

/Pentium®

with MMXTMTechnology, Cyrix®6x86/6x86L/

6x86MX, AMD®K5/K6, and IDT C6TM processors.

The mainboard utilizes the SiS®

5597 chipset, which has Built-in VGA using

UMA mode. In addition there is an on-chipset USB and IDE controller

whichsupportsIDEPIO/BusmasteroperationmodeforIDEHDD/CD-ROM.

The PIO mode supports Mode 0,1,2,3 and 4, with a transfer rate up to 22 MB

per/sec.

Chapter 1

INTRODUCTION

CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

1.1 Mainboard Features

CPU

lSocket 7 supports Intel®

Pentium®

/Pentium®

with MMXTM technology

Processor

lTheCyrix® 6x86/6x86L/6x86MX,AMD® K5/K6andIDTC6TMprocessors

are also supported.

CacheMemory

lSupports 512K pipelined burst cache memory.

lSupports Direct Map Organization and Write-Back cache policy.

Chipset

lSiS®

5597single chip BGA package with built-in VGA.

lBuilt-in16Kb dirty SRAM.

MainMemory

lSupports two 168-pin unbuffered DIMM sockets.

lUpto 128 MBmain memory.

lSupportssymmetric or asymmetric memory.

lSupports Fast Page (FP) Mode, Extended Data Output (EDO) Mode, and

SDRAM.

Slots

lSupports riser slot.

lRiser card supports one PCI and ISA slots or two ISA slots.

lSupports 3.3V PCI cards.

On-BoardPeripherals

lOn-BoardPeripheralsinclude:

-1floppyportsupports2FDDwith360K,720K,1.2M,1.44Mand

2.88Mbytes.

- 2 serial ports (COM A & COM B).

- 1 parallel port supports EPP/ECP mode.

- 1 IrDA connector.

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CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

1-3

On-BoardIDE

lAn IDE controller on the SiS®

5597 PCI Chipset provides IDE HDD/CD-

ROM with PIO and Bus Master Operation Mode. The PIO Mode

supports modes 0, 1, 2, 3 and 4 with a transfer rate of 22 Mbytes per

second.

lSupports Multi-word DMA and Ultra DMA/33.

lSupports dual mode operation - Native & Compatibility mode.

On-BoardVGA

lOn-chip SiS®

VGA.

lSupports UMA(Untied Memory Address) 0.5MB~4MB.

Network

lConcertoI (PCB ver 1.X)

l Winbond W940 10M

l Supports 10BASE-T/TX

lConcertoII(PCBver2.X)

l Intel®

558 100M chipset

l 100BASE-T/TXLAN

l Supports wake-up on LAN

l 3K byte transmit and receiver FIFOs provide large on-chip storage of

multiple transmit and receive frames

Sound

lESS®

1869 chip .

- 3D audio effects.

-16bit full-duplex stereo.

- 16 bit address decode.

lSupports full duplex phonic mode.

lThree jack connectors: mic, line-in, and speaker.

On-BoardUSB

lSupports dual port USB(Universal Serial Bus).

CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

BIOS

lThe system board BIOS provides “Plug & Play” BIOS which detects the

peripheral devices and expansion cards of the board automatically.

lThe system board provides a Desktop Management Interface(DMI)

function which records your system board specifications.

RTC

lNon-VolatileRTC with 256 bytes of CMOS RAM.

KeyboardConnector

lPS/2®

keyboard interface and PS/2®

mouse interface.

Dimension

lALL-IN-ONE: 25cm(L)x22.3cm(W)x4layerPCB.

Mounting

l6 mounting holes.

1-4

CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

DIMM 1

DIMM 2

SiS

5597

Socket 7

SW 1

JV2

JG1

JFAN1 JRM1

JB2

JFP1

Power Connector

FDD

HDD2

HDD1

BIOS

JIR1

BATT

JCD1

COM B COM A

JFEAU

JCD2

JMODEM

VGA LAN LPT USB

PS/2

mouse PS/2

keyboard

MIC Line

In Speaker

Riser Card Slot

JG2

JFAN2

JGAME1

JLAN2

JSON

1.2 Mainboard Layout

MS-5150 ver 1.X

CONCERTO I

1-5

CHAPTER 1CHAPTER 1

CHAPTER 1 INTRODUCTIONINTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

1-6

MS-5150 ver 2.X

CONCERTO II

DIMM 1

DIMM 2

SiS

5597

Socket 7

SW 1

JV2

JG1

JFAN1 JRM1

JB1

JFP1

Power Connector

FDD

HDD2

HDD1

BIOS

JIR1

BATT

JCD1

COM B COM A

JFEAU

JCD2

JMODEM

VGA LAN LPT USB

PS/2

mouse PS/2

keyboard

MIC Line

In Speaker

Riser Card Slot

JG2

JFAN2

JGAME1

JLAN2 JSON

CHAPTER 2 HARDWARE INSTALLATION

CPU

OpenLever

Pin1

Sliding

Plate

White dot/

Cut edge

Lever

Chapter 2

Hardware Installation

2.1 Central Processing Unit: CPU

The MSI LPX SI15 mainboard operates with Intel®

Pentium®

/Pentium®

withMMXTM technology, Cyrix®

6x86/6x86L/6x86MX, AMD®

K5/K6 and

IDT C6TM processors. It could operate with 2.8V to 3.52V processors. The

mainboard provides a 321-pin ZIF Socket 7 for easy CPU installation, a DIP

switch (SW1) to set the proper speed for the CPU. The CPU should always

have a cooling fan attached to prevent overheating.

2-1

1. Pull the lever sideways away

from the socket. Then raise

the lever up to a 90-degree

angle.

3. Press the lever down to

complete the installation.

2. Locate Pin 1 in the socket

and look for the white dot or

cut edge in the CPU. Match

Pin 1 with the white dot/cut

edge. Then insert the CPU.

It should insert easily.

2.1-1 CPU Installation Procedure

CHAPTER 2 HARDWARE INSTALLATION

1. The DIP Switch SW1 (4, 5, and 6) is used to adjust the CPU Clock

Frequency. See the following chart to set the different Host Clock

Frequencies.

4 5 6 Clock

ON ON OFF 50MHz

OFF ON ON 55MHz

ON OFF OFF 60MHz

OFF OFF OFF 66MHz

ON OFF ON 75MHz

SW1 CPU

2. The DIP Switch SW1 (1,2, and 3) is used to set the Core/Bus (Fraction)

ratio of the CPU. The actual core speed of the CPU is the Host Clock

Frequency multiplied by the Core/Bus ratio. For example:

If CPUClock = 66MHz

Core/Bus ratio = 1.5

then CPU core speed = Host Clock x Core/Busratio

= 66MHzx1.5/2

= 100MHz

3. The PCI Bus Clock is the CPU Clock Frequency divided by 2.

2.1-2 CPU Core Speed Derivation Procedure

1 2 3 Core/BusRatio

OFF OFF OFF 1.5/3.5

ON OFF OFF 2

ON ON OFF 2.5/1.75

OFF ON OFF 3

SW1 CPU

2-2

CHAPTER 2 HARDWARE INSTALLATION

2.1-4 CPU Speed Setting: SW1

To adjust the speed of the CPU, you must know the specification of your

CPU (always ask the vendor for CPU specificaton). Then look at Table 2.1

(Intel®

Pentium®

/Pentium®

with MMXTM technology processor), Table2.2

(Cyrix®

6x86/6x86L/6x86MXprocessor),Table2.3 (AMD®

K5/K6

processor) and Table 2.4(IDT C6TM processor) for proper setting.

2-3

2.1-3 CPU Jumperless Voltage Setting: JV1(reserved)/JV2

This mainboard provides a jumperless voltage setting. The moment you

change your CPU, the BIOS will auto-detect and enter BIOS Setup menu.

Press “F10” or select “ Saveand Exit”. The system will reboot.

JV2 is short, if you’re using an Intel®

Pentium®

Overdrive®

processor.

JV2

SW1

1 2 3 4 5 6

ON ON

OFF

Speed Setting

DIP

CHAPTER 2 HARDWARE INSTALLATION

Table 2.1 Intel®

Processor

2-4

ON DIP

123 456

OFF

100MHz

120MHz

133MHz

150MHz

166MHz

200MHz

ON DIP

123 456

OFF

ON DIP

123 456

OFF

ON DIP

123 456

OFF

90MHz

CPU

Type CPU Speed

SW1

ON DIP

123 456

OFF

ON DIP

123 456

OFF

ON DIP

123 456

OFF

ON DIP

123 456

OFF

200MHz

233MHz

166MHz

ON DIP

123 456

OFF

ON DIP

123 456

OFF

Intel®

Pentium® Processors with MMXTM Technology

Intel®

Pentium®

Processors

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