MSI MS-5156 User manual

CHAPTER 1 INTRODUCTION

Chapter 1

INTRODUCTION

The MS-5156 mainboard is a high-performance personal computer

mainboard. The mainboard supports the Peripheral Component Interconnect

(PCI) Local Bus standard and provides five 32-bit PCI bus slots.

The mainboard uses the highly integrated Intel®83430TX chipset to support

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

Intel®82430TX chipset integrates all system control functions.

1-1

CHAPTER 1 INTRODUCTION

1.1 System Board Features

CPU

lSocket 7 supports Intel® Pentium® processors and Pentium® processors

with MMX™ technology

lTheCyrix®6x86/6x86L/6x86MX andAMD®K5/K6 are alsosupported.

Chipset

lIntel®82430TXchipset.

Cache Memory

lSupports 512K pipelined burst cache memory.

lSupports Direct Map Organization and Write-Back cache policy.

Main Memory

lSupports four memory banks using four 72-pin SIMM sockets and two

168-pin DIMM sockets (for unbuffered DIMM).

lUp to 256 Mbytes main memory.

lSupports EDO Hyper Page Mode DRAM, Standard Fast Page mode

DRAM and SDRAM(Synchronous DRAM).

Slots

lFive 32-bit PCI Bus slots (four 32-bit bus master PCI slots + one 32-bit

slave PCI slot) + Three 16-bit ISA bus slots. One shared slot can be used

asISAorPCI.

On-Board IDE

lSupports Bus Master and Ultra DMA/33 IDE.

lSupports up to 4 IDE drives.

On-Board Peripherals

1-2

CHAPTER 1 INTRODUCTION

1-3

lOn-BoardPeripherals include:

- 1 floppy port supports 2 FDD

-2serialports(COMA+COMB)

- 1 parallel port supports ECP or EPP mode

-USB

-IR(SIR)

Dimensions

lBaby-ATform factor

l25cm(L)x22cm(W)x4layerPCB

Mounting

l5 mounting holes

CHAPTER 1 INTRODUCTION

1.2 Parts of the Mainboard

ABC

A Three 16-Bit ISA SLOTs

B Five 32-Bit PCI SLOTs

C Two 168-Pin DIMM SOCKETs

D ATX 20-PinPOWER CONNECTOR

E PS/2®POWER CONNECTOR

F Four 72-pin SIMM SOCKETs

G Intel®82439TX

H Intel®82371AB

I SOCKET7

J 2032LITHIUM BATTERY

1-4

CHAPTER 1 INTRODUCTION

1.3 Mainboard Layout

1-5

MS-5156

ISA SLOT

PCI SLOT 5

PCI SLOT 4

PCI SLOT 3

PCI SLOT 2

PCI SLOT 1

FDC

DIMM 2

DIMM 1

SIMM 4

SIMM 1

SIMM 2

SIMM 3

LPT

ATKBD

COMA

COM B

BIOS

ATX

Power Supply

USB

Power Supply

JRMS1

JMS1

JIR1

JP2

JP1 Winbond

J10

JBAT1

FW82371AB FW82439TX

IDE2

IDE1

BATT

+JV1

3.3V 5V

JRMC1

JRMS2

SW1

PBSRAM

SOCKET 7

JFAN 2

JFAN 1

JGS1

JGL1

JFP1

JV8

JV2

JV3

JV4

JV5

JSFAN

JPFAN

CHAPTER 2 HARDWARE INSTALLATION

CPU

2.1-1 CPU Installation Procedures

Chapter 2

HARDWARE INSTALLATION

2.1 Central Processing Unit: CPU

The MS-5156 mainboard operates with Intel®Pentium® processors/

Pentium®processors with MMXTM technology, Cyrix®6x86/6x86L/

6x86MX and AMD®K5/K6 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

and a Jumper block (JV2 - JV5) for setting the CPU voltage. The CPU

should always have a cooling fan attached to prevent overheating.

2-1

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.

OpenLever

Pin1

Sliding

Plate

White dot/

Cut edge

Lever

1. Pull the lever sideways away

from the socket. Then raise

the lever up to a 90-degree

angle.

CHAPTER 2 HARDWARE INSTALLATION

2-2

2.1-2 CPU Voltage Setting: JV2-JV5

VcoreV I/O

3.5 3.5

3.3 3.3

3.3 3.2

3.3 2.9

3.3 2.8

JV2~JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

CHAPTER 2 HARDWARE INSTALLATION

VcoreV I/O

3.3 2.7

3.3 2.6

3.3 2.5

3.3 2.4

3.3 2.3

JV2~JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

3.3 2.2

3.3 2.1

JV2

JV3

JV4

JV5

JV2

JV3

JV4

JV5

2-3

CHAPTER 2 HARDWARE INSTALLATION

To adjust the speed and voltage of the CPU, you must know the specifica-

tions of your CPU (always ask the vendor for CPU specifications). Then

refer to Table 2.1 (Intel®processors), Table 2.2 (Cyrix®processors) and

Table 2.3 (AMD®processors) for proper setting.

2.1-3 CPU Speed and Voltage Setting: SW1 & JV2-JV5

2-4

SW1

1 2 3 4 5 6

ON DIP ON

OFF

JV2

JV3

JV4

JV5

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