Abit IT5 Series Manual de usuario

Part Number:MN-090-B41-91 Rev:1.04

Table of Contents

Chapter 1 Introduction of IT5 Series Features

¬IT5V.....................................................................................1-2

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

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

lSystem block diagram.......................................................1-5

-IT5H.....................................................................................1-6

lSpecifications ....................................................................1-6

lLayout diagram.................................................................1-8

lSystem block diagram.......................................................1-9

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™】................................3-4

-Standard CMOS Setup Menu..............................................3-10

®BIOS Features Setup Menu.................................................3-12

¯Chipset Features Setup Menu...............................................3-18

°Power Management Setup Menu..........................................3-20

±PCI & Onboard I/O Setup...................................................3-24

²Load BIOS Defaults ............................................................3-30

³Load Setup Defaults.............................................................3-30

´Password Setting .................................................................3-31

µIDE HDD Auto Detection....................................................3-32

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 IT5 Series Features 1-1

Chapter 1 Introduction of IT5

Series Features

The IT5 series has 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 IT5 series uses Intel 430VX and 430HX 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 IT5’s unique CPU operating frequency and voltage setup feature in

order to meet modern computing demands.

1-2 Chapter 1

¬IT5V

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 upgradeable to 512K

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)

lDIMM sockets use PC modules (3.3V Unbuffered DRAM)

lUp to 128MB memory configuration possible

Introduction of IT5 Series Features 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 four 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 IT5 Series Features 1-5

lSystem block diagram

Fig. 1-2 System block diagram

PentiumProcessor

3.3V

Host BUS

Control

Address

Data

Second Level

Cache

Addr

Ctrl

Tag Ctrl Data

Ctrl

TIO[0..7]

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

1-6 Chapter 1

-IT5H

lSpecifications:

1. CPU frequency and voltage configuration 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 430 HX chipset

lSupports standard version PCI 2.1

4. L2 Cache Memory

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

lCache memory upgradeable to 512K

5. System DRAM

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

lTwo 168-pin DIMM sockets: support FP, EDO

lDIMM sockets use PC modules (3.3V Unbuffered DRAM)

lSupports error check and correction (ECC) function

lUp to 512MB memory configuration possible

Introduction of IT5 Series Features 1-7

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 four 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.

1-8 Chapter 1

lLayout diagram

Fig. 1-3 Layout diagram

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