Abit SM5 Manual de usuario

Part No:MN-091-B31-91 Rev:1.02

Table of Contents

Chapter 1 Introduction of SM5/SM5-A Features

¬SM5/SM5-A.........................................................................1-2

lSpecifications ....................................................................1-2

lLayout diagram.................................................................1-4

lSystem block diagram.......................................................1-6

Chapter 2 Installing the Mainboard

¬Standard External Connectors................................................2-3

-Jumpers and Switches..........................................................2-10

®Presentation and Installation of the CPU...............................2-11

¯Installing Pipeline Burst SRAM.............................................2-14

°Installing System Memory 【DRAM Memory】................2-15

Chapter 3 Introduction to BIOS

¬CPU setup 【CPU SOFT MENU™】................................3-3

-Standard CMOS Setup Menu................................................3-9

®BIOS Features Setup Menu.................................................3-11

¯Chipset Features Setup Menu...............................................3-17

°Power Management Setup Menu..........................................3-19

±PCI & Onboard I/O Setup...................................................3-23

²Load BIOS Defaults ............................................................3-28

³Load Setup Defaults.............................................................3-28

´Password Setting .................................................................3-29

µIDE HDD Auto Detection....................................................3-30

Appendix A Quick Installation

Appendix B Intel Pentium CPUs

Appendix C AMD-K5 CPUs

Appendix D Cyrix 6x86 CPUs

Appendix E General Discussion about HDD Installation

Appendix F Technical Support

Appendix G Flash BIOS User Instructions

Introduction of SM5/SM5-AFeatures 1-1

Chapter 1 Introduction of

SM5/SM5-A Features

The SM5/SM5-A have been especially designed for File server, Workstation

and Professional users. It can support a wide range of processors, including all Intel

CPUs (P54C) and Intel CPUs with MMX (P55C), as well as all AMD-K5 and

Cyrix 6x86/6x86L CPUs. It also takes into account, as much as possible, all future

CPUs.

This series uses SOFT MENU™ technology, which means that all the

parameters can be configured without using DIP switches or jumpers. The

configuration is entirely achieved through a “Soft Switch” that allows the user to set

CPU speed and operating voltage with ease.

The SM5/SM5-A series uses Intel 430VX series chipsets, and has 256K or

512K Level-2 Pipeline Burst SRAM on board. It also provides an extension slot

allowing the user to upgrade Pipeline Burst SRAM to 512K.

Two 168-pin DIMM slots and four 72-pin SIMM slots meet the requirements

for all memory configurations required by high level computing. The 168-pin

DIMM slots support traditional Fast Page and EDO DRAM as a memory standard

for next generation 64-bit systems. The two 168-pin DIMM slots have been

reserved to meet requirements for both present and future upgrades.

This series also provides two Universal Serial Bus (USB) ports and meets the

Concurrent PCI Rev. 2.1 standard. It also supports IDE interface for Fast HDD

(Mode 0~4), as well as IDE Bus Master. These features also meet present and

future interface standards and needs.

System BIOS features include Plug-and-Play (PnP), Advanced Power

Management (APM), the newest Desktop Management Interface (DMI), as well as

SM5/SM5-A’s unique CPU operating frequency and voltage setup feature in order

to meet modern computing demands.

1-2 Chapter 1

¬SM5/SM5-A

lSpecifications:

1. CPU frequency and voltage setup with CPU “SOFT MENU™”

lSetup of the mainboard’s frequency and voltage without DIP Switches or

Jumpers.

lModification of CPU operating voltage and frequency through software

configuration.

lModification of CPU operating voltage and frequency directly on screen.

2. Uses ZIF CPU Socket 7 for easy CPU installation

lThree voltage regulator/cooling plate sets for a more stable CPU

operating environment

lSupports Intel Pentium®CPUs: 75MHz to 200MHz and P55C CPUs

with MMX

lSupports all AMD sixth generation AMD-K5™CPUs: 75MHz to

166MHz, AMD-K6™CPUs: 200MHz and 233MHz

lSupports all Cyrix sixth generation 6x86™ CPUs: P120+, P133+,

P150+, P166+

lReserved circuitry supports future sixth generation CPUs

3. Chipset

lIntel 430VX chipset

lSupports standard version PCI 2.1

4. L2 Cache Memory

l256K or 512K of cache memory (Pipeline Burst SRAM)

lCache memory upgrade to 512K (the SM5-A do not support this

feature)

5. System DRAM

lFour 72-pin SIMM sockets: support FP and EDO DRAM

lTwo 168-pin DIMM sockets: support FP, EDO and Synchronous

DRAM (SDRAM) (the SM5-A do not support this feature)

lDIMM sockets use PC modules (3.3V Unbuffered DRAM) (the

SM5-A do not support this feature)

lUp to 128MB memory configuration possible

Introduction of SM5/SM5-AFeatures 1-3

6. System BIOS

lAWARD BIOS

lSupports Plug-and-Play (PnP)

lSupports Advanced Power Management (APM)

lSupports Desktop Management Interface (DMI)

7. Multi I/O features

lTwo Universal Serial Bus (USB) ports

lFour fast IDE channels (PIO mode 0~4 and Bus Master)

lOne EPP/ECP parallel port and one 16550 serial port

lTwo floppy disk drive connectors (FDD) (360K, 720K, 1.2M, 1.44M

and 2.88M)

8. Other features

lStandard AT architecture dimensions

lFour ISA bus slots and three PCI bus slots

lSupports 3-MODE for a special Japanese floppy disk drive

lSupports two bootable hard disks--able to run two different operating

systems

Note: All brand names and trademarks are the property of their respective owners.

1-4 Chapter 1

lLayout diagram

Fig 1-1 Layout diagram

Introduction of SM5/SM5-AFeatures 1-5

Fig 1-2 Layout diagram

1-6 Chapter 1

lSystem block diagram

Fig. 1-3 System block diagram

PentiumProcessor

3.3V

Host BUS

Control

Address

Data

Second Level

Cache

Ctrl

Tag Ctrl Data

TIO[0..7]

Addr

Ctrl

PCI BUS TXD Ctrl

Plink

Control

Address/Data

Fast

IDE

ISA BUS

Universal Serial Bus

TDX

Main

Memory

(DRAM)

CACHE

(SRAM)

TAG

TVX

PIIX3

CD ROM &

Hard Disk

USB

PCI Device(s)

ALi

M5123

ISA Device(s)

Serial

LPT

FDC

Installing the Mainboard 2-1

Chapter 2 Installing the Mainboard

This mainboard series not only provides all standard equipment for classic

personal computers, but also provides great flexibility for meeting future upgrade

demands. This chapter will introduce step by step all the standard equipment and

will also present, as completely as possible future upgrade capabilities. This

mainboard is able to support all Intel Pentium including P55C with MMX, Cyrix

6x86, 6x86L and AMD-K5 processors now on the market. (For details, see

specifications in Chapter 1.) However, we cannot guarantee that the description

given in this manual on the circuitry of your mainboard will work for processors not

listed in Chapter 1. For example, the operating voltage of Cyrix’s next generation

CPUs is unknown at the present time. Thus we were not able to include these

specifications in your motherboard. We will supply further information about CPU

support when new CPUs arrive on the market.

This chapter is organized according the following features:

ŒStandard external connectors

•Jumpers and switches

ŽInstalling the CPU--steps for installing Intel, Cyrix and AMD processors.

•Installing cache memory--If you don’t want to upgrade the cache memory

you can skip this chapter.

•Installing the system memory.

NNNN

Before proceeding with the installation

Before installing the mainboard please be sure to turn off or disconnect the

power supply unit. Before making any modifications to the hardware configuration

of the mainboard, the power supply to any areas of the mainboard you plan to modify

should be turned off to avoid unnecessary damage to the hardware.

2-2 Chapter 2

User friendly instructions

Our objective is to enable the novice computer user to perform the installation by

themselves. We have attempted to write this document in a very clear, concise and

descriptive manner to help overcome any obstacles you may face during installation.

Please read our instructions carefully and follow them carefully step-by-step.

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