Abit IT5A Manual de usuario

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PartNo:MN-112-2A0-01 Rev:1.00

Nowarrantyorrepresentation,eitherexpressedorimplied,ismadewithrespect

tothequality,accuracyorfitness foranyparticularpartofthisdocument.Innoevent

shall themanufacturerbeliablefordirect,indirect,special,incidentalorconsequential

damagesarisingfromanydefectorerrorinthismanualorproduct.

Productnamesappearinginthismanualareforidentificationpurposeonlyand

trademarksand productnamesorbrand namesappearinginthisdocumentare

propertyoftheirrespectiveowners.

ThisdocumentcontainsmaterialsprotectedunderInternationalCopyright

Laws.All rightsreserved.Nopartofthismanualmay bereproduced,transmittedor

transcribedwithouttheexpressedwrittenpermissionofthemanufacturerand authors

ofthismanual.

Theinformationinthisdocumentissubjecttochangewithoutnotice and does

notrepresentacommitmentonpartofthevendor,whoassumesnoliabilityor

responsibilityforanyerrorsthatmay appearinthismanual.

TableofContents

Chapter 1IntroductionofIT5AFeatures

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

lLayoutdiagram..........................................................................1-4

lSystemblockdiagram................................................................1-5

Chapter 2InstallingtheMainboard

¬InstallingtheMainboardtotheCasing.......................................2-3

-StandardExternalConnectors....................................................2-4

®JumpersandSwitches................................................................2-9

¯PresentationandInstallationoftheCPU..................................2-10

°InstallingSystemMemory

¡i

DRAMMemory

¡j

.. 2-17

Chapter 3IntroductionofBIOS

¬StandardCMOSSetup Menu.....................................................3-4

-BIOSFeaturesSetup Menu.......................................................3-6

®ChipsetFeaturesSetup Menu...................................................3-12

¯PowerManagementSetup Menu.............................................3-14

°PCI&OnboardI/OSetup .......................................................3-19

±LoadBIOSDefaults................................................................3-24

²LoadSetup Defaults................................................................3-24

³PasswordSetting.....................................................................3-25

´IDEHDD AutoDetection.......................................................3-26

AppendixAQuickInstallation

AppendixBIntelPentiumCPUs

AppendixCAMD-K5.K6CPUs

AppendixDCyrix/IBM6x86 CPUs

AppendixEGeneralDiscussionaboutHDD Installation

AppendixFFlashBIOSUserInstructions

AppendixGInstallationofAGPdriver

AppendixHInstallationofIDEBusMasterDriver

AppendixITechnicalSupport

IntroductionofIT5AFeatures

1-1

Chapter1Introduction ofIT5AFeatures

TheIT5AhasbeenespeciallydesignedforFileserver,WorkstationandProfessional

users.Itcansupportawiderangeofprocessors,includingIntelCPUs(P54C)andIntel

CPUswithMMX(P55C),aswell asall AMD-K5/K6/K63DandCyrix6x86MXCPUs.It

alsotakesintoaccount,otherfutureCPUs.

TheIT5AusesALiAladdinV(M1541 /M1543 )chipsets,andhas512KLevel-2

PipelineBurstSRAMonboard.Thismainboardisdesignedforuseat100 MHzFrontSide

Busspeeds.ItalsosupportsthelatestAGPtechnology.

Two168-pinDIMM (DualIn-LineMemoryModule)slotsmeettherequirementsfor

all memoryconfigurationsrequiredbyhighlevelcomputing.The168-pinDIMM slots

supportEDO (ExtendedDataOut)DRAMandSynchronousDRAM(SDRAM)asa

memorystandardfornextgeneration64-bitsystems.

TheIT5AalsoprovidestwoUniversalSerialBus(USB)portsandmeetsthe

ConcurrentPCIRev.2.1standard.ItsupportsIDEinterface forFastHDD (Mode0~4)

andUltraDMA/33,aswell asIDEBusMaster.Thesefeaturesalsomeetpresentand

futureinterface standardsandneeds.

SystemBIOSfeaturesincludePlug-and-Play(PnP),AdvancedConfigurationPower

Interface (ACPI),thenewestDesktopManagementInterface (DMI),aswell asIT5A’s

uniqueCPUoperatingfrequencyandvoltagesetup featureinordertomeetmodern

computingdemands.

1-2Chapter1

IT5A

nSpecifications

1.SupportsATXpowersupply

2.AdjustmentforFrequencyandVoltage:UsesaDIPswitchorjumperwirestoadjust

thefrequencyandvoltageonthemainboard

3.UsesZIFCPUSocket7foreasyCPUinstallation

SupportsswitchingpowerforamorestableenvironmentfortheCPU

SupportsIntelCPUs:

1)Pentium100,133,166,and200MHz

2)PentiumprocessorwithMMXTMtechnology166MHzto233MHz

SupportsAMDCPUs:

1)AMD-K5*PR100,PR133,andPR166.

2)AMD-K6TM166MHzto233MHz.

3)AMD-K63DTM266 to300MHz

SupportsCyrix/IBMCPUs:

1)Cyrix6x86MXTMPR166 ~PR266

SupportsIDTWinChipC6CPU:200MHz.

*ReservedcircuitrysupportsfuturesixthgenerationCPUs

4.Chipset

ALiAladdinV(M1541 .M1543 )chipset

SupportsstandardversionPCI2.1

SupportsAGP66/133 MHz(Sideband)3.3Vdevices

5.L2CacheMemory

512Kofcachememory(PipelineBurstSRAM)

6.SystemDRAM

Two168-pinDIMM sockets:supportEDO andSynchronousDRAM(SDRAM)

DIMM socketsusePCmodules(3.3VUnbufferedDRAM)

Upto256MBmemoryconfigurationpossible

IntroductionofIT5AFeatures

1-3

7.SystemBIOS

AWARDBIOS

SupportsPlug-and-Play(PnP)

SupportsAdvancedConfigurationPowerInterface (ACPI)

SupportsDesktopManagementInterface (DMI)

8.MultiI/Ofeatures

TwoUniversalSerialBus(USB)ports

TwofastIDEchannels(PIOmode0~4,Ultra“DMA/33”andBusMaster)

OnestandardEPP/ECPparallelportandtwo16550 serialports

Twofloppydiskdriveconnectors(FDD)(360K,720K,1.2M,1.44Mand2.88M

)

SupportsPS/2typemouseandkeyboard

9.Otherfeatures

StandardATXarchitecturedimensions

OneAGPslot,three PCIbusslotsandtwoISAbusslotsand

Supports3-MODEforaspecialJapanesefloppydiskdrive

Supportstwobootableharddisks--abletoruntwodifferentoperatingsystems

SupportsIDE(ATAPI)interface CD-ROM,ZIPandLS-120 typefloppydisk

drive(Bootonly)

Note:All brandnamesandtrademarksarethepropertyoftheirrespectiveowners.

1-4Chapter1

n

Layoutdiagram

Fig1-1Layoutdiagram