ASUS-A7N8X-VM用户操作说明书手册 conv

Motherboard

A7N8X-VM

UserGuide

Checklist

Copyright©2003ASUSTeKCOMPUTERINC.AllRightsReserved.

Nopartofthismanual,includingtheproductsandsoftwaredescribedinit,maybereproduced,transmitted,transcribed,storedinaretrievalsystem,ortranslatedintoanylanguageinanyformorbyanymeans,exceptdocumentationkeptbythepurchaserforbackuppurposes,withouttheexpresswrittenpermissionofASUSTeKCOMPUTERINC.(“ASUS”).

Productwarrantyorservicewillnotbeextendedif:(1)theproductisrepaired,modifiedoraltered,unlesssuchrepair,modificationofalterationisauthorizedinwritingbyASUS;or(2)theserialnumberoftheproductisdefacedormissing.

ASUSPROVIDESTHISMANUAL“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESSORIMPLIED,INCLUDINGBUTNOTLIMITEDTOTHEIMPLIEDWARRANTIESORCONDITIONSOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.INNOEVENTSHALLASUS,ITSDIRECTORS,OFFICERS,EMPLOYEESORAGENTSBELIABLEFORANYINDIRECT,SPECIAL,INCIDENTAL,ORCONSEQUENTIALDAMAGES(INCLUDINGDAMAGESFORLOSSOFPROFITS,LOSSOFBUSINESS,LOSSOFUSEORDATA,INTERRUPTIONOFBUSINESSANDTHELIKE),EVENIFASUSHASBEENADVISEDOFTHEPOSSIBILITYOFSUCHDAMAGESARISINGFROMANYDEFECTORERRORINTHISMANUALORPRODUCT.

SPECIFICATIONSANDINFORMATIONCONTAINEDINTHISMANUALAREFURNISHEDFORINFORMATIONALUSEONLY,ANDARESUBJECTTOCHANGEATANYTIMEWITHOUTNOTICE,ANDSHOULDNOTBECONSTRUEDASACOMMITMENTBYASUS.ASUSASSUMESNORESPONSIBILITYORLIABILITYFORANYERRORSORINACCURACIESTHATMAYAPPEARINTHISMANUAL,INCLUDINGTHEPRODUCTSANDSOFTWAREDESCRIBEDINIT.

Productsandcorporatenamesappearinginthismanualmayormaynotberegisteredtrademarksorcopyrightsoftheirrespectivecompanies,andareusedonlyforidentificationorexplanationandtotheowners’benefit,withoutintenttoinfringe.

ii

Features

Contents

Noticesv

SafetyinformationviAboutthisguideviiConventionsusedinthisguideviiA7N8X-VMspecificationssummaryviii

Chapter1:MotherboardInfo11.1Welcome!21.2Motherboardcomponents31.3Motherboardlayout61.4Beforeyouproceed71.5CentralProcessingUnit(CPU)7

1.76Systemmemory81.6.1InstallingaDIMM8

1.7Expansionslots81.7.1Configuringanexpansioncard81.7.2StandardInterruptAssignments91.7.3AGPslot91.7.4CNRslot10

1.8Jumpers111.9Connectors13

Chapter2:BIOSInformation1

2.1BIOSSetupprogram22.1.1BIOSmenubar22.1.2Legendbar3

2.2MainMenu42.2.1PrimaryandSecondaryIDEMaster/Slave52.2.2SystemInformation7

2.3AdvancedMenu8

2.3.1Chipset82.3.2OnboardDevicesConfigurations92.3.3PCIPnP11

2.4PowerMenu132.4.1HardwareMonitor14

iii

Safeguards

Contents

2.4.2PowerUpControl15

2.5BootMenu172.5.1BootSettingsConfiguration172.5.2Security19

2.6ExitMenu21

iv

FCC/CDCstatements

FederalCommunicationsCommissionStatement

ThisdevicecomplieswithFCCRulesPart15.Operationissubjecttothefollowingtwoconditions:

•Thisdevicemaynotcauseharmfulinterference,and

•Thisdevicemustacceptanyinterferencereceivedincludinginterferencethatmaycauseundesiredoperation.

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewithmanufacturer’sinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:

•Reorientorrelocatethereceivingantenna.

•Increasetheseparationbetweentheequipmentandreceiver.

•Connecttheequipmenttoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.

•Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

TheuseofshieldedcablesforconnectionofthemonitortothegraphicscardisrequiredtoassurecompliancewithFCCregulations.Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’sauthoritytooperatethisequipment.

CanadianDepartmentofCommunicationsStatement

ThisdigitalapparatusdoesnotexceedtheClassBlimitsforradionoiseemissionsfromdigitalapparatussetoutintheRadioInterferenceRegulationsoftheCanadianDepartmentofCommunications.

ThisclassBdigitalapparatuscomplieswithCanadianICES-003.

v

Safetyinformation

Electricalsafety

•Topreventelectricalshockhazard,disconnectthepowercablefromtheelectricaloutletbeforerelocatingthesystem.

•Whenaddingorremovingdevicestoorfromthesystem,ensurethatthepowercablesforthedevicesareunpluggedbeforethesignalcablesareconnected.Ifpossible,disconnectallpowercablesfromtheexistingsystembeforeyouaddadevice.

•Beforeconnectingorremovingsignalcablesfromthemotherboard,ensurethatallpowercablesareunplugged.

•Seekprofessionalassistancebeforeusinganadpaterorextensioncord.Thesedevicescouldinterruptthegroundingcircuit.

•Makesurethatyourpowersupplyissettothecorrectvoltageinyourarea.Ifyouarenotsureaboutthevoltageoftheelectricaloutletyouareusing,contactyourlocalpowercompany.

•Ifthepowersupplyisbroken,donottrytofixitbyyourself.Contactaqualifiedservicetechnicianoryourretailer.

Operationsafety

•Beforeinstallingthemotherboardandaddingdevicesonit,carefullyreadallthemanualsthatcamewiththepackage.

•Beforeusingtheproduct,makesureallcablesarecorrectlyconnectedandthepowercablesarenotdamaged.Ifyoudetectanydamage,contactyourdealerimmediately.

•Toavoidshortcircuits,keeppaperclips,screws,andstaplesawayfromconnectors,slots,socketsandcircuitry.

•Avoiddust,humidity,andtemperatureextremes.Donotplacetheproductinanyareawhereitmaybecomewet.

•Placetheproductonastablesurface.

•Ifyouencountertechnicalproblemswiththeproduct,contactaqualifiedservicetechnicianoryourretailer.

vi

AboutthisguideConventionsusedinthisguide

Tomakesurethatyouperformcertaintasksproperly,takenoteofthefollowingsymbolsusedthroughoutthismanual.

WARNING:Informationtopreventinjurytoyourselfwhentryingtocompleteatask.

CAUTION:Informationtopreventdamagetothecomponentswhentryingtocompleteatask.

IMPORTANT:InformationthatyouMUSTfollowtocompleteatask.

NOTE:Tipsandadditionalinformationtoaidincompletingatask.

vii

A7N8X-VMspecificationssummary

CPU

Chipset

FrontSideBus(FSB)

Memory

Expansionslots

IDE

Audio(optional)

LAN(optional)

Specialfeatures

BackpanelI/OPorts

InternalI/OConnectors

BIOSfeatures

Industrystandard

Manageability

FormFactor

SocketAforAMDAthlonTM/AthlonTMXP3000+orabove333MHzFSBSupport

Northbridge:NVIDEAnFORCE2IGPSouthbridge:NVIDEAnFORCE2MCP

333/266MHz

2x184-pinDDRDIMMSockets

Max.2GBunbufferedPC2700/2100non-ECCDDRRAMmemory

3xPCI

1xAGP8X(1.5Vonly)

2xUltraDMA133/100/66/33

RealTekALC6506-channelaudioCODEClinkedw/SouthBridge

1Port

Realtek8201BLPHY

ASUSC.O.P.(CPUOverheatingProtection)SupportsS/PDIFin/out

1xParallel1xSerial

1xPS/2keyboard1xPS/2mouse

1xRJ-45port1xAudioI/O1xVGAport2xUSB2.0

2xUSB1.1connectorssupport4additionalUSB2.0portsCPU/Chassisfanconnectors

20-pinATXpowerconnectorPANELconnector

CD/AUX

S/PDIFin/outconnectorTVoutconnector

Frontpanelaudioconnector(optional)

4MbFlashROM,ACPI2.0,AMIBIOS,TCAV,PnP,DMI2.0,DMI,Green,SMBIOS2.3

PCI2.2,USB1.1/2.0

DMI2.0,WOL,WOR,WO_USB,WO_KB/MS,SMBus

Micro-ATXformfactor:9.6inx8.6in(24.5cmx21.9cm)

*Specificationsaresubjecttochangewithoutnotice.

viii

Motherboard

Info

Chapter1

ThischaptergivesinformationabouttheASUSA7N8X-VMmotherboardthatcamewiththesystem.Thischapterincludesthemotherboardlayout,jumpersettings,andconnectorlocations.

ASUSA7N8X-VMMotherboard 1-1

1.1 Welcome!

ThankyouforbuyingtheASUS®A7N8X-VMmotherboard!

TheASUSA7N8X-VMmotherboardisloadedwiththemostadvancedtechnologiestodeliverthemaximumperformanceforsocketAprocessors.Thismotherboardisloadedwithvalue-addedfeaturesforguaranteedconsumersatisfaction.Forfutureupgradesorsystemreconfiguration,thischapterprovidestechnicalinformationaboutthemotherboard.

1-2

1.2Motherboardcomponents

1 23 4 56

15

14

13

12 11 10 9 8 7

16 17 18

19

20

21

25 24 23 22

ASUSA7N8X-VMMotherboard 1-3

1

2

3

4

5

6

7

8

9

10

11

12

ATXpowerconnector.Thisstandard20-pinconnectorconnectstoanATX12Vpowersupply.Thepowersupplymusthaveatleast1Aonthe+5Vstandbylead(+5VSB).

CPUSockets.Socket462(SocketA)ZeroInsertionForce(ZIF)socketfortheAMDAthlon™/AthlonXP™3000+processorsorhigher.

NorthBridgeController.TheNVIDIA®nForce2™IGPNorthBridgecontrollerchipset.Thecontrollersupportsa64/128bitDDRmemorycontrollerandupto2GBof333/266/200MHzDDRmemory.

DDRDIMMSockets.EquippedwithtwoDoubleDataRateDualInlineMemoryModule(DDRDIMM)socketstosupportupto2GBofDDRDRAM,thenewestmemorystandardwiththehighestbandwidthandlowestlatencycurrentlyavailable.Thismemorytechnologysuppliesdatatransferratesupto5.4GB/sfor333MHzDDRSDRAM.

IDEConnectors.Thesedual-channelbusmasterIDEconnectorssupportuptofourUltraDMA133/100/66,PIOModes3&4IDEdevices.Boththeprimary(blue)andsecondary(black)connectorsareslottedtopreventincorrectinsertionoftheIDEribboncable.

FloppyDiskconnector.Thisconnectorconnectstheprovidedribboncableforthefloppydiskdrive.Onesideoftheconnectorisslottedtopreventincorrectinsertionofthefloppydiskcable.

FlashROM.This4MbfirmwarecontainstheprogrammableBIOSprogram.

SuperI/Ochipset.ITEIT8712F-AofferssupportforavarietyofI/Ofunctions.Providestwohigh-speedUARTcompatibleserialportsandoneparallelportwithEPPandECPcapabilities.UART2canalsobedirectedfromCOM2totheInfraredModuleforwirelessconnections.TheSuperI/Ocontrollersupportsafloppydiskdrive,PS/2keyboard,andPS/2mouse.

Southbridgecontroller.FeaturesthebrandnewNVIDIA®MCPintegratedperipheralSouthBridgecontrolleroperatesat800MB/sectocommunicatewiththeNorthBridgeformaximumbandwithrequiredforPCI,USBandsupportforFastEthernetdevices.ThecontrollersupportsstandardUltraDMA133/100/66/33andseparatedatapathsforeachIDEchannelarebuilt-inforuptotwoIDEdevices.ThecontrollersupportssixUSBports,oneLANportandisPCIrev2.2compliant.

AGPSlot.ThisAcceleratedGraphicsPort(AGP)slotonlysupports1.5VAGP8Xmodegraphicscardsfor3Dgraphicalapplications.

CNRslot.TheCommunicationsandNetworkingRiser(CNR)slotsupportsinterfacecardsthatintegratesaudio,modem,andnetworkfunctionality.

AudioCODEC.TheRealtek6-channelCODECisanAC’97compliantaudioCODECdesignedforPCmultimediasystems.

1-4 Chapter1:MotherboardInformation

13

14

15

16

17

18

19

20

21

22

23

24

25

PCIslots.These32-bitPCI2.2expansionslotssupportbusmasterPCIcardslikeSCSIorLANcardswith133MB/smaximumoutput.

LANchip.TheRealtek8201BLPHYFastEthernetcontrollerallowsconnectiontoaLocalAreaNetwork(LAN)throughanetworkhub.

OnboardLED.ThisonboardLEDlightsupifthereisastandbypoweronthemotherboard.ThisLEDactsasaremindertoturnoffthesystempowerbeforepluggingorunpluggingdevices.

PS/2mouseport.Thisgreen6-pinconnectorisforaPS/2mouse.

Parallelport.This25-pinportconnectsaparallelprinter,ascanner,orotherdevices.

RJ-45port.UsingtheNVIDIA®LAN10/100Mbpsfastethernetcontroller,thisportallowsconnectiontoaLocalAreaNetwork(LAN)throughanetworkhub.

LineInjack.ThisLineIn(lightblue)jackconnectsatapeplayerorotheraudiosources.

LineOutjack.ThisLineOut(lime)jackconnectsaheadphoneoraspeaker.

Microphonejack.ThisMic(pink)jackconnectsamicrophone.

USB2.0ports.Thesetwo4-pinUniversalSerialBus2.0(USB2.0)portsareavailableforconnectingUSBdevicessuchasamouseandPDA.

VGAport.This15-pinVGAportconnectstoaVGAmonitor.

Serialport.Thisportconnectstoyourserialmouseandotherserialdevices.

PS/2keyboardport.Thispurple6-pinconnectorisforaPS/2keyboard.

ASUSA7N8X-VMMotherboard 1-5

1.3Motherboardlayout

IDE1

FLOPPY1

ATXPowerConnector

DDRDIMM2(64/72bit,184-pinmodule)

DDRDIMM3(64/72bit,184-pinmodule)

PARALLELPORT

USB1

IDE2

CD1

AUX1

USB34

IR_CON1

24.5cm(9.64in)

24.5cm(9.64in)

PS/2T:Mouse

B:Keyboard

Socket462

CPU_FAN1

COM1

PWR_LED1

USBPWR34

VGA

USBPWR12

Bottom:Top:USB2RJ-45

TV_OUT nVidiaGfore4MX

CRUSH18GChipset

Top:LineInCenter:LineOutBelow:MicIn

CHA_FAN1

A7N8X-VM 23 45

RealtekRTL8201

AcceleratedGraphicsPort(AGP8X1)

SuperPCI1 I/O

CR20323VLithiumCellCMOSPower

nForce2

MCP-T/MCP

FPAUDIO1 PCI2 Chipset

4MbCLRTC1 BIOS

SPDIF1 CHASSIS1

PCI3Audio

Codec CNR1 BUZZ1

COM2USBPWR56

GAME1

USB56 PANEL1

1-6 Chapter1:MotherboardInformation

1.4Beforeyouproceed

Takenoteofthefollowingprecautionsbeforeyouinstallmotherboardcomponentsorchangeanymotherboardsettings.

1.Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.

2.Useagroundedwriststraportouchasafelygroundedobjectortoametalobject,suchasthepowersupplycase,beforehandlingcomponentstoavoiddamagingthemduetostaticelectricity.

3.HoldcomponentsbytheedgestoavoidtouchingtheICsonthem.

4.Wheneveryouuninstallanycomponent,placeitonagroundedantistaticpadorinthebagthatcamewiththecomponent.

5.Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyisswitchedofforthepowercordisdetachedfromthepowersupply.Failuretodosomaycauseseveredamagetothemotherboard,peripherals,and/orcomponents.

1.5CentralProcessingUnit(CPU)

ThemotherboardprovidesaSocketA(462)forCPUinstallation.AMDprocessorsoffergigahertzspeedstosupportallthelatestcomputingplatformsandapplications.TheA7N8X-VMsupportsAthlon™XPprocessorswith“QuantiSpeed”dataprocessing,largedatacaches,3Denhancementsand333/266Mhzbusspeeds.

CPUNOTCHTOINNERCORNER

LOCK

A7N8X-VM LEVER

AMD™CPU CPUNOTCH

A7N8X-VMSocket462

EachAMDCPUhasa“marked”corner.Thiscornerisusuallyindicatedwithanotch,and/oragoldensquareortriangle.RefertothisindicatorwhileorientingtheCPU.

ASUSA7N8X-VMMotherboard 1-7

1.6Systemmemory

ThemotherboardhastwoDoubleDataRate(DDR)DIMMsocketsthatsupportsupto2GBnon-ECCPC2700/2100DDRDIMMs.

104Pins

A7N8X-VM

80Pins

A7N8X-VM184-PinDDRDIMMSockets

ADDRDIMMiskeyedwithanotchsothatitfitsinonlyonedirection.DONOTforceaDIMMintoasockettoavoiddamagingtheDIMM.

1.6.1InstallingaDIMM

1.UnlockaDIMMsocketbypressingtheretainingclipsoutward.

2.AlignaDIMMonthesocket.MakesurethenotchesontheDIMMexactlymatchthenotchesinthesocket.

3.FirmlyinserttheDIMMintothesocketuntiltheretainingclipslockintoplace.

1.7Expansionslots

TheA7N8X-VMmotherboardhasfive(5)expansionslots.Thefollowingsub-sectionsdescribetheslotsandtheexpansioncardsthattheysupport.

1.7.1Configuringanexpansioncard

SomeexpansioncardsneedanIRQtooperate.Generally,anIRQmustbeexclusivelyassignedtoonefunctionatatime.Inastandarddesignconfiguration,16IRQsareavailablebutmostarealreadyinuse.

1-8 Chapter1:MotherboardInformation

Normally,6IRQsarefreeforexpansioncards.SometimesIRQsare“shared”bymorethanonefunction;inthiscase,IRQassignmentsareswappedautomaticallyoradjustedthroughtheBIOSfirmware.

1.7.2StandardInterruptAssignmentsIRQ StandardFunction

0 SystemTimer

1 KeyboardController

2 ProgrammableInterruptController3* USBUniversalHostController

4* CommunicationsPort(COM1)5* OnboardAudio

6 StandardFloppyDiskController7* PrinterPort(LPT1)

8 SystemCMOS/RealTimeClock9* OnboardLAN

10* USBUniversalHostController11* OnboardVGA

12* PS/2CompatibleMousePort13 NumericDataProcessor

14* UltraATAController

15* SecondaryUltraATAController

*TheseIRQsareusuallyavailableforISAorPCIdevices.IRQassignmentsforthismotherboard

PCIslot1PCIslot2PCIslot3

ABCDused———

— — — used— —used—

1.7.3AGPslot

ThismotherboardhasanAcceleratedGraphicsPort(AGP)slotthatsupports+1.5VAGP8Xcards.NotethenotchesonthecardgoldenfingerstoensurethattheyfittheAGPslotonyourmotherboard.

AGPCardwithoutRetentionNotch

A7N8X-VM

A7N8X-VMAcceleratedGraphicsPort(AGP8X)

ASUSA7N8X-VMMotherboard 1-9

1.7.4CNRslot

TheCommunicationsandNetworkingRiser(CNR)slotsupportsinterfacecardsthatintegratesaudio,modem,andnetworkfunctionality.

TheCNRspecificationsupportsinterfacesincluding:

• AudioCodec‘97(AC’97)-foraudioand/ormodemfunctions

• LocalAreaNetwork(LAN)-fornetworkingfunctions

• UniversalSerialBus(USB)-forfunctionsimplementedintheUSBinterface,andtechnologiessuchasbroadband,DSL,andwireless

• SystemManagementBus(SMB)-forPlug-n-Playfunctionality

• Power-toprovidethesignalsrequiredforpowermanagement,andthemainpowersuppliestooperatetheCNRcircuitry

TheCNRistaggedtoreplacethecurrentAudioModemRiser(AMR)slotbecauseofitsflexibilityandaddedfeatures.Also,theCNRslotdoesnottakeupthemotherboardspaceforonePCIslotbecauseitisasharedslot;rather,itprovidesyoumoreoptions.

A7N8X-VM

A7N8X-VMCommunication&NetworkingRiserSlot

1-10 Chapter1:MotherboardInformation

1.8Jumpers

Thissectiondescribesandillustratesthejumpersonthemotherboard.

1. USBdevicewake-up(3-pinUSBPWR12,USBPWR34,USBPWR56)

Setthesejumpersto+5VtowakeupthecomputerfromS1sleepmode(CPUstopped,DRAMrefreshed,systemrunninginlowpowermode)usingtheconnectedUSBdevices.Setto+5VSBtowakeupfromS3sleepmode(nopowertoCPU,DRAMinslowrefresh,powersupplyinreducedpowermode).Bothjumpersaresettopins1-2(+5V)bydefaultbecausenotallcomputershavetheappropriatepowersupplytosupportthisfeature.

TheUSBPWR12andUSBPWR34jumpersarefortherearUSBport.USBPWR56isfortheinternalUSBheaderthatyoucanconnecttothefrontUSBports.

Thisfeaturerequiresapowersupplythatcanprovideatleast2Aonthe+5VSBleadwhenthesejumpersaresetto+5VSB.Otherwise,thesystemdoesnotpowerup.

ThetotalcurrentconsumedmustNOTexceedthepowersupplycapability(+5VSB)whetherundernormalconditionorinsleepmode.

USBPWR12

12 23

+5V +5VSB(Default)

USBPWR34

12

A7N8X-VM

+5V

23

+5VSB

(Default)

USBPWR56

12 23

A7N8X-VMUSBDeviceWakeUp +5V +5VSB(Default)

ASUSA7N8X-VMMotherboard 1-11

2.ClearRTCRAM(CLRTC1)

ThisjumperclearstheRealTimeClock(RTC)RAMofdate,timeandsystemsetupparametersinCMOS.TheRAMdatainCMOSispoweredbytheonboardbuttoncellbattery.

ToerasetheRTCRAM:

1.TurnOFFthecomputerandunplugthepowercord.2.Removethebattery.

3.Movethejumpercapsfrom[1-2]to[2-3]momentarily.Replacethejumpercaptotheoriginalposition,[1-2].

4.Re-installthebattery.

5.PlugthepowercordandturnONthecomputer.

6.Holddownthe<Del>keyduringthebootprocessandenterBIOSsetuptore-enterdata.

A7N8X-VM CLRTC1

12

Normal

A7N8X-VMClearRTCRAM (Default)

23

ClearCMOS

1-12 Chapter1:MotherboardInformation

1.9Connectors

Thissectiondescribesandillustratestheconnectorsonthemotherboard.

1. IDEconnectors(40-1pinIDE1,IDE2)

ThisconnectorsupportstheprovidedUltraDMA/133/100/66IDEharddiskribboncable.Connectthecable’sblueconnectortotheprimary(recommended)orsecondaryIDEconnector,thenconnectthegrayconnectortotheUltraDMA/133/100/66slavedevice(harddiskdrive)andtheblackconnectortotheUltraDMA/133/100/66masterdevice.Itisrecommendedthatyouconnectnon-UltraDMA/133/100/66devicestothesecondaryIDEconnector.Ifyouinstalltwoharddisks,youmustconfiguretheseconddriveasaslavedevicebysettingitsjumperaccordingly.Refertotheharddiskdocumentationforthejumpersettings.BIOSsupportsspecificdevicebootup.IfyouhavemorethantwoUltraDMA/133/100/66devices,purchaseanotherUltraDMA/133/100/66cable.Youmayconfiguretwoharddiskstobebothmasterdeviceswithtworibboncables–onefortheprimaryIDEconnectorandanotherforthesecondaryIDEconnector.

Pin20oneachIDEconnectorisremovedtomatchthecoveredholeontheUltraDMAcableconnector.Thispreventsincorrectorientationwhenyouconnectthecables.

IDE2

IDE1

ForUltraDMA/133/100/66IDEdevices,usean80-conductorIDEcable.

A7N8X-VM

A7N8X-VMIDEConnectors

NOTE:Orienttheredmarkings(usuallyzigzag)ontheIDEribboncabletoPIN1.

PIN1

ASUSA7N8X-VMMotherboard 1-13

2.Floppydiskdriveconnector(34-1pinFLOPPY)

Thisconnectorsupportstheprovidedfloppydriveribboncable.Afterconnectingoneendtothemotherboard,connecttheotherendtothefloppydrive.(Pin5isremovedtopreventincorrectinsertionwhenusingribboncableswithpin5plug).

FLOPPY1

NOTE:OrienttheredmarkingsonA7N8X-VM thefloppyribboncabletoPIN1

PIN1

A7N8X-VMFloppyDiskDriveConnector

3. ATXpowerconnectors(20-pinATXPWR1)

TheseconnectorsconnecttoanATX12Vpowersupply.Theplugsfromthepowersupplyaredesignedtofittheseconnectorsinonlyoneorientation.Findtheproperorientationandpushdownfirmlyuntiltheconnectorscompletelyfit.

ATXPWR1

+12.0VDC+5VSBPWR_OKCOM+5.0VDC

A7N8X-VMCOM+5.0VDC

COM+3.3VDC

+3.3VDC

+5.0VDC+5.0VDC-5.0VDCCOMCOMCOMPS_ON#COM

-12.0VDC

+3.3VDC

A7N8X-VMATXPowerConnector

Ifyouwillneedtoreplacethepowersupplyinthefuture,makesurethatyournewATX12Vpowersupplycanprovide8Aonthe+12Vleadandatleast1Aonthe+5-voltstandbylead(+5VSB).Theminimumrecommendedwattageis230W,or300Wforafullyconfiguredsystem.Thesystemmaybecomeunstableandmayexperiencedifficultypoweringupifthepowersupplyisinadequate.

1-14 Chapter1:MotherboardInformation

4. USBheaders(10-1pinUSB34,USB56)

IftheUSB2.0portconnectorsonthebackpanelareinadequate,oneUSBheaderisavailableforfouradditionalUSBportconnectors.Connecta2-portUSBconnectorsettoaUSBheaderandmounttheUSBbrackettoanopenslotinthechassis.

USB+5V

USB_P6-

USB_P6+

GND

NC

USB+5V

USB_P5-

USB_P5+

GND

1

GND

A7N8X-VM

USB34

NCGND

USB_P6+USB_P6-USB+5V

A7N8X-VMUSB2.0Header

USB_P5+USB56

USB_P5-

USB+5V

1

ASUSA7N8X-VMMotherboard 1-15

GND

Rotation

+12V

6. CPU,ChassisandPowerFanConnectors(3-pinCPU_FAN1,CHA_FAN1)

Thefanconnectorssupportcoolingfansof350mA~740mA(8.88Wmax.)oratotalof1A~2.22A(26.64Wmax.)at+12V.Connectthefancablestothefanconnectorsonthemotherboard,makingsurethattheblackwireofeachcablematchesthegroundpinoftheconnector.

CPU_FAN1

CHA_FAN1A7N8X-VM

+G1N2DVRotation

A7N8X-VM12-VoltCoolingFanPower

Donotforgettoconnectthefancablestothefanconnectors.Lackofsufficientairflowwithinthesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!DONOTplacejumpercapsonthefanconnectors!

7.Chassisintrusionconnector(4-1pinCHASSIS1)

Thisleadisforachassisdesignedwithintrusiondetectionfeature.Thisrequiresanexternaldetectionmechanismsuchasachassisintrusionsensorormicroswitch.Whenyouremoveanychassiscomponent,thesensortriggersandsendsahigh-levelsignaltothisleadtorecordachassisintrusionevent.

Bydefault,thepinslabeled“ChassisSignal”and“Ground”areshortedwithajumpercap.Ifyouwishtousethechassisintrusiondetectionfeature,removethejumpercapfromthepins.

CHASSIS1

ChassisSignal

GND

+5VSB_MB

A7N8X-VM

A7N8X-VMChassisAlarmLead (Default)

1-16 Chapter1:MotherboardInformation

8. Frontpanelaudioconnectors(10-1pinFPAUDIO1)

ThisisaninterfacefortheIntelfrontpanelaudiocablethatallowconvenientconnectionandcontrolofaudiodevices.

BLINE_OUT_R

+5VA

AGND

BLINE_OUT_L

A7N8X-VM

MIC2

Lineout_R

Lineout_L

NC

MICPWR

FPAUDIO1

A7N8X-VMFrontPanelAudioConnector

WithoutfrontpanelconnectedyouhavetosetjumperstoLineout_R->BLINE_OUT_Rand

Lineout_L->BLINE_OUT_L

9. OnBoardLED

ThegreenLightEmittingDiode(LED)lights-ONifthereisstandbypowerandlights-OFFwhenthepoweristurnedoff.TheredLEDlightsonwhenanincorrectAGPcardisinserted.

PWR_LED1

A7N8X-VM

ON

StandbyPower

OFF

PoweredOff

A7N8X-VMOnboardLED

ASUSA7N8X-VMMotherboard 1-17

10.Internalaudioconnectors(4-pinCD1,AUX1)

TheseconnectorsallowyoutoreceivestereoaudioinputfromsoundsourcessuchasaCD-ROM,TVtuner,MPEGcardormodem.

AUX1(White)

A7N8X-VM

CD1(Black)

LeftAudioChannelGround

RightAudioChannel

A7N8X-VMInternalAudioConnectors

11.DigitalAudioConnector(6pinSPDIF)(optiopnal)

ThisconnectorisforoptionalS/PDIFaudiomodulethatallowsdigitalinsteadofanalogsoundinputandoutput.

+5V

SPDIF_OUT

SPDIF_IN

A7N8X-VM

SPDIF1

GND

GND

A7N8X-VMDigitalAudioConnector (optional)

WhenyouinputsoundforS/PDIFIN,theLINE_OUTwilloutputthesound.MuteLINE_OUTtoimpedesoundoutputfromS/PDIFIN.

1-18 Chapter1:MotherboardInformation

13.TVoutconnector(6-1pinTV_OUT)

This6-1pinconnectorconnectstothefrontpaneldaughtercardwiththeaudioandtv-outports.

TV_OUT1

A7N8X-VM

A7N8X-VMTVOutConnector

15.Systempanelconnector(20-pinPANEL1)

PLED-

Ground

PWR

Keylock

+5V

Speaker

Ground

ExtSMI#

Ground

Reset

Ground

Ground

Ground

PLED+

IDELED

+5V

Thisconnectoraccommodatesseveralsystemfrontpanelfunctions.

KeyboardLock

PowerLED

SpeakerConnector

A7N8X-VM

IDESLM