MSI MS-5184 Manuale utente

CHAPTER 1 INTRODUCTION

1-1

Chapter 1

INTRODUCTION

The Baby-AT VI14 mainboard is a high-performance personal computer

mainboard. This mainboard supports Intel® Pentium® processor/Pentium®

processorwithMMXTM technology,Cyrix®/IBM®6x86/6x86L/6x86MX/MII,

AMD® K5/K6/K6-2, and IDTTM Winchip processors. The mainboard also

supports four 32-bit PCI (Peripheral Component Interconnect) Local Bus

standard slots.

The mainboard uses the highly integrated VIA® 598AT chipset to support

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

The VIA® 586B 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 VIA® 586B chipset also improves the IDE transfer rate by

supporting Ultra DMA/33 IDE that transfer data at the rate of 33MB/s.

The mainboard uses the programmable synchronous DC/DC controller for

advanced processors. Synchronous operation allows the elimination of heat

sinks in many applications. The mainboard also provides 22 output voltage

from1.80Vto3.50Vin 100mVincrements.

The mainboard also supports the System Hardware Monitor Controller as an

optional function. This function includes: CPU fan control, CPU tempera-

ture detect and protect & system voltage detect.

CHAPTER 1 INTRODUCTION

1-2

1.1 Mainboard Features

Processor

lSocket 7 supports Intel®Pentium®processor/Pentium®processor with

MMXTM technology.

lTheCyrix®/IBM®6x86/6x86L/6x86MX/MII,AMD®K5/K6/K6-2andIDTTM

Winchip processors are also supported.

Chipset

lVIA®MVP3chipset.

ClockGenerator

l66/75/83.3/95/100/112/124/133MHzclocksaresupported.

CacheMemory

lSupports 1MB (Pipelined Burst SRAM) L2 Cache.

MainMemory

lSupportsamaximummemorysize of 768MB.

lSupports six memory banks using two 168-pin DIMM and two 72-pin

SIMM.

lDIMM

- supports 3.3v EDO(Extended Data Output) and SDRAM.

- support Unbuffered DIMM.

Slots

lOne AGP(Accelerated Graphics Port) slot.

- AGP specification compliant

- AGP66/133MHz 3.3v device support

lFour 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 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.

lSwitching Regulator

- provides CPU with voltage range from 1.80v to 3.52v.

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) func-

tion which records your mainboard specifications.

Dimension

lBaby-ATForm Factor : 24.4cm(L) x22.2cm(W)x4layers PCB

Mounting

l5 mounting holes.

CHAPTER 1 INTRODUCTION

1-4

1.2 Mainboard Layout

DIMM 2

VIA

MVP3

DIMM 1

SIMM2

SIMM1

AGP SLOT

PCI SLOT 2

PCI SLOT 3

PCI SLOT 4

PCI SLOT 1

ISA SLOT 1

BIOS

BATT

+VIA

586B

ISA SLOT 2

ATX

Power Supply

Socket 7

COM1

IDE 1

FDD1

AT Power Supply

IDE 2

COM2

LPT1

Keyboard

JFAN1

JFP1

JRMS1 JVBAT1

SW2

JP5

SW1

JWOL1

JIR1

JMS1

JMODEM1 JVSB1

JP3

Cache

MS-5184 Baby AT VI14 Mainboard

CHAPTER 2 HARDWARE INSTALLATION

2-1

Chapter 2

Hardware Installation

2.1 Central Processing Unit: CPU

The BabyATVI14 mainboard operates with Intel® Pentium®processor/

Pentium® processorw/MMXTM technology, Cyrix®/IBM6x86/6x86L/

6x86MX, AMD®K5/K6/K6-2and IDTTM Winchip processors. It could

operate with 1.8V to 3.52V processors. The mainboard provides a 321-pin

ZIF Socket 7 for easy CPU installation. The CPU should always have a

cooling fan attached to prevent overheating.

CPU

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.

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 Procedures

CHAPTER 2 HARDWARE INSTALLATION

2-2

2.1-2 CPU Core Speed Derivation Procedures

1. The DIP Switch SW1 is used to adjust the CPU, AGP, and PCI clock

frequency.

1 2 3 4 5 CPU AGP PCI

ON ON OFF OFF ON 133.3 88.7 44.3

ON OFF ON OFF ON 124 82.7 41.3

ON ON ON OFF ON 112 74.7 37.3

OFF OFF OFF OFF ON 100.2 66.6 33.3

ON OFF OFF OFF ON 95.25 63.5 31.7

OFF ON OFF OFF OFF 83.5 66.6 33.3

OFF OFF ON ON ON/OFF 75 75 37.5

OFF ON ON ON ON/OFF 66.8 66.6 33.4

SW1 Clock

CPU Clock

AGP Clock

JP3 DRAM Clock

a. The JP3 jumper setting is used to set the DRAM clock for CPU or

AGP.

We provide CPU Bus Frequency setting for over

100Mhz. But setting the Bus Frequency over 100MHz

may cause unstable or damaging result. We do not

quarantee overclocking. (Damages resulting from

overclocking will not be covered by the warranty or

entertained by our technical support)

WARNING!

CHAPTER 2 HARDWARE INSTALLATION

2-3

2. The SW2 (6, 7, & 8) is used to set the Core/Bus (Fraction) ratio of the

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

multipliedby the Core/Bus ratio. For example:

If CPUClock = 66MHz

Core/Bus ratio = 3.5

then CPU core speed = Host Clock x Core/Busratio

= 66MHzx3.5

= 233MHz

6 7 8 Core/Bus Ratio

OFF OFF OFF 1.5

ON OFF OFF 2.0

ON ON OFF 2.5

OFF ON OFF 3.0

OFF OFF OFF 3.5

ON OFF ON 4.0

ON ON ON 4.5

OFF ON ON 5.0

OFF OFF ON 5.5

SW2 CPU

CHAPTER 2 HARDWARE INSTALLATION

2-4

2.1-3 Processor Voltage Setting

SW2

1 2 3 4 5

a. VcoreVoltage Setting: SW2

The Dip Switch SW2 (1-5) is used to set the processor Vcore voltage

setting.

Note: Always consult vendor for proper CPU specification, before

setting the processor voltage (Vcore/Vio). Improper setting

may damage the processor and other components.

CHAPTER 2 HARDWARE INSTALLATION

2-5

1 2 3 4 5 Vcore

ON ON ON ON OFF 3.5

OFF ON ON ON OFF 3.40

ON OFF ON ON OFF 3.3

OFF OFF ON ON OFF 3.2

ON ON OFF ON OFF 3.1

OFF ON OFF ON OFF 3.0

ON OFF OFF ON OFF 2.9

OFF OFF OFF ON OFF 2.8

ON ON ON OFF OFF 2.7

OFF ON ON OFF OFF 2.6

ON OFF ON OFF OFF 2.5

OFF OFF ON OFF OFF 2.4

ON ON OFF OFF OFF 2.3

OFF ON OFF OFF OFF 2.2

ON OFF OFF OFF OFF 2.1

OFF OFF OFF OFF OFF 2.0

ON ON ON ON ON 2.05

OFF ON ON ON ON 2.0

ON OFF ON ON ON 1.95

OFF OFF ON ON ON 1.9

ON ON OFF ON ON 1.85

OFF ON OFF ON ON 1.8

SW2

CHAPTER 2 HARDWARE INSTALLATION

2-6

3.3V

3.45V

VI/O JP5

JP5

b. Vi/oVoltageSetting: JP5

The Jumper Switch JP5 is used to set the processor Vi/o voltage

setting.

3.6V

3.8V

4.0V

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