Abit AH6E Pentium II User manual

Rev1.11
AH6 PentiumII Mainboard
USER’SMANUAL
TableofContents
Chapter1IntroductionofAH6Features
¬Specifications.................................................…….1-1
-Layoutdiagram......................................................1-3
®Thesystemblockdiagram........................................1-4
Chapter2InstallingtheMainboard
¬InstallingtheMainboardtotheCasing....................2-3
-StandardExternalConnectors.................................2-4
®JumperandSwitches.............................................2-11
¯InstallationoftheCPU..........................................2-13
°InstallingSystemMemory ¡i DRAMMemory ¡j 2-16
Chapter3IntroductionofBIOS
¬CPUSetup ¡i CPUSOFTMENU™¡j ..........3-3
-StandardCMOSSetup Menu..........................3-7
®BIOSFeaturesSetup Menu............................3-9
¯ChipsetFeaturesSetup Menu........................3-15
°PowerManagementSetup Menu...................3-17
±PCI&OnboardI/OSetup .............................3-22
²LoadBIOSDefaults.....................................3-26
³LoadSetup Defaults.....................................3-26
´PasswordSetting.................................................3-27
µIDEHDD AutoDetection............................3-28
Chapter4BusMasterIDEDriver

AppendixAQuickInstallation
AppendixBGeneralDiscussionaboutHDD Installation
AppendixCFlashBIOSUserInstructions
AppendixDHowtoinstall UltraDMA/33 drive
AppendixEHowtoinstall thePCIbridgedriverfor440LXchipset
AppendixFTechnicalSupport

IntroductionofAH6Feature1-1
Chapter1Introduction ofAH6
Feature
ThemainboardisdesignedforthenewgenerationCPU.ItsupportstheIntelCPU
SLOT1(PentiumII),up to384MBofmemory,superI/O,andGreenPCfunctions.
Themainboardprovideshighperformance fortheserversystemandmeetsthe
requirementsofthedesktopsystemformultimediainthefuture.
¬Specifications
1. CPU
lCPUSOFTMENU™eliminatestheneedforjumpersorDIPswitches
neededtosetCPUparameters
lEmploysswitchingtyperegulatorstostabilize CPUoperation
lSupports66,75* and83*MHzCPUexternalclockspeeds
lSupportsPentium®II 233 ~300 MHzprocessorcartridge
2. Chipset
lIntel440LXchipset(82443LXand82371AB)
lSupportsUltraDMA/33 IDEprotocol
lSupportsAdvancedConfigurationandPowerManagementInterface(ACPI)
lAcceleratedGraphicsPortconnectorsupportsAGP66MHz/133MHz
(Sideband)3.3Vdevice
3. CacheMemory
lLevel1andLevel2cachebuiltintoIntelPentiumII processorcard
4. Memory(DRAM)
l3168-pinDIMM socketssupportSDRAMandEDO DRAMmodules
lSupportsup to384MB
lECC support

1-2Chapter1
5.SystemBIOS
lAwardPlug andPlayBIOSsupportsAPM,DMI,andACPI
6. MultiI/O Functions
lFloppyportsupportsup to2.88MB,and3modefloppy
lUltraDMA/33 busmasterIDEsupportsup to4IDEdevices
(IncludingLS-120 MBfloppydrive)
lBuilt-inStandard/EPP/ECPparallelportconnector
lTwobuilt-in16550 fastUARTcompatibleserialportconnectors
lBuilt-inPS/2keyboardandPS/2mouseportconnectors
lBuilt-instandardIrDATX/RXheaderandSB-LinkTMheader
lTwobuilt-inUSBconnectors
lBuilt-inEISCA12 pinheader
7. Miscellaneous
lATXformfactor
lOneAGPslot,Three PCIslotsandTwoISAslots
lPC97 Compliant
lBoardsize:305 *170mm
Note:All brandnamesandtrademarksarethepropertyoftheirrespectiveowners.
*Above66MHzbusspeedsupportedbutnotguaranteedduetothePCIspecs.
*Specificationsandinformationcontainedinthismanualaresubjecttochange
withoutnotice.

IntroductionofAH6Feature1-3
-LayoutDiagram
Figure 1-1ComponentLocations

1-4Chapter1
®TheSystemBlockDiagram

InstallingtheMainboard2-1
Chapter2Installing theMainboard
ThisAH6mainboardnotonlyprovidesall standardequipmentforclassic
personalcomputers,butalsoprovidesgreatflexibilityformeetingfutureupgrade
demands.Thischapterwill introduce stepbystepall thestandardequipment
andwill alsopresent,ascompletelyaspossiblefutureupgradecapabilities.
Thismainboardisabletosupportall IntelPentiumII processorsnowonthe
market.(Fordetails,see specificationsinChapter1.)
Thischapterisorganizedaccordingthefollowingfeatures:
ŒInstallingtheMainboardtotheCasing
•Standardexternalconnectors
ŽJumpersandswitches
•PresentationandInstallingoftheCPU.
ºInstallingthesystemmemory.
NNNN
Before proceedingwiththeinstallation
Beforeinstallingthemainboardpleasebesuretoturnoff ordisconnectthe
powersupplyunit.Beforemakinganymodificationstothehardware
configurationofthemainboard,thepowersupplytoanyareasofthemainboard
youplantomodifyshouldbeturnedoff toavoidunnecessarydamagetothe
hardware.

2-2Chapter2
&
User friendlyinstructions
Ourobjectiveistoenablethenovice computerusertoperformthe
installationbythemselves.Wehaveattemptedtowritethisdocumentin
averyclear,conciseanddescriptivemannertohelpovercomeanyobstacles
youmayface duringinstallation.Pleasereadourinstructionscarefully
andfollowthemcarefullystep-by-step.

InstallingtheMainboard2-3
¬ InstallingtheMainboardtotheCasing
Mostcomputercaseswill haveabaseonwhichtherewill bemanymounting
holesthatallowsthemainboardtobesecurelyattachedandatthesametime,
preventsshortcircuits.
Therearetwowaystoattachthemainboardtothebase.
lwithspacers
lorwithbolts
Inprinciple,thebestwaytoattachthemotherboardiswithbolts,andonlyif
youareunabletodothisshouldyouattachtheboardwithspacers.Takea
carefullookatthemainboardandyouwill see manymountingholesonit.Line
theseholesup withthemountingholesonthebase.Iftheholeslineup,and
therearescrewholesthismeansyoucanattachthemainboardwithbolts.Ifthe
holeslineup andthereareonlyslots,thismeansyoucanonlyattachthe
mainboardwithspacers.Takethetipofthespacersandinsertitintotheslots.
Afterdoingthistoall theslots,youcanslidethemainboardintopositionaligned
withtheslots.Afterthemainboardhasbeenpositioned,checktomakesure
everythingisOKbeforeputtingthecasingbackon.
Note:Ifthemainboardhasmountingholes,butdon’tlineup withtheholes
onthebaseandtheirarenoslotstoattachthespacers,don’tpanic,
youcanstill attachthespacerstothemountingholes.Justcutthe
spacers(alongthedottedline)(thespacermaybealittlehardso
becarefulofourhands).Inthiswayyoucanstill attachthe
mainboardtothebasewithoutworryingaboutshortcircuits.

2-4Chapter2
- StandardExternalConnectors
Insidethecaseofanycomputerseveralcablesandplugshavetobe
connected.Thesecablesandplugsareusuallyconnectedone-by-oneto
connectorslocatedonthemainboard.Youneedtocarefullypay
attentiontoanyconnectionorientationthecablesmayhaveand,ifany,
notice thepositionofthefirstpinoftheconnector.Intheexplanations
thatfollow,wewill describethesignificance ofthefirstpin.
PN2(Pin4-5-6-7)-Speaker Connector
AttachthesystemspeakertoconnectorPN2.
PinnumberNameorsignificance ofsignal
4+5VDC
5Ground
6Ground
7Speakerdata

InstallingtheMainboard2-5
PN2(Pin1-2)-Hardware ResetConnector
Attachthecablefromthecase’sResetswitchtothisconnector.Press and
holdtheresetbuttonforatleastonesecondtoresetthesystem.
PinnumberNameorsignificance ofsignal
1Ground
2Resetinput
PN1(Pin13-14)-Hardware SuspendSwitch(SMISwitch)
Attachthecablefromthecase’ssuspendswitch(ifthereisone)tothisswitch.
Usethisswitchtoenable/disablethepowermanagementfunctionbyhardware.
PinnumberNameorsignificance ofsignal
13 Ground
14 Suspendsignal
PN1(Pin1-2-3-4-5)-KeylockandPower LEDConnector
Attachthecase’skeylocktotheconnector.
PinnumberNameorsignificance ofsignal
1+5VDC
2Noconnection
3Ground
4Keylockinhibitsignal
5Ground
The“keylockswitch”isusedtolockthecomputer’skeyboard.
Thisdisablesthekeyboardsothatunauthorizedpersonscannot
useit.Whenthisfunctionisinuse,youwill needtouse
theunlockkeytoactivatethekeyboard.
Computer
K
n
o
w
l
e
d
g
e

2-6Chapter2
PN1(Pin7-8)-HDD LEDConnector
Attachthecablefromthecase’sHDD LEDtothisconnector.
PinnumberNameorsignificance ofsignal
7
LEDpower
8
HDD active
PN1(Pin10-11)-Power Switch
PinnumberNameorsignificance ofsignal
10 Ground
11 PowerSwitchsignal
PN2(Pin9-10)-GreenLED
PinnumberNameorsignificance ofsignal
9LEDPower
10 GreenLEDActive

InstallingtheMainboard2-7
MOUSE-PS/2MouseConnector
AttachaPS/2mousetothis6-pinDin-connector.
PinnumberNameorsignificance ofsignal
1Mousedata
2Noconnection
3Ground
4+5VDC
5Mouseclock
6Noconnection
KB-PS/2KeyboardConnector
Attachakeyboardtothis6-pinDin-connector.
PinnumberNameorsignificance ofsignal
1Keyboarddata
2Noconnection
3Ground
4+5VDC
5Keyboardclock
6Noconnection

2-8Chapter2
ATXPWR-ATXPower inputConnector
AttachtheconnectorsfromthepowersupplytoATXPWR.
PinnumberNameorsignificance ofsignal
1+3.3V
2+3.3V
3Ground
4+5V
5Ground
6+5V
7Ground
8Powergood
9+5V
10 +12V
11 +3.3V
12 -12V
13 Ground
14 ON/OFF controlsignal
15 Ground
16 Ground
17 Ground
18 -5V
19 +5V
20 +5V
FAN1(CPUFAN),FAN2-DC-FAN Power Connector
PinnumberNameorsignificance ofsignal
1Ground
2+12V
3Sense
Caution: Ifpowersupplyconnectors arenotproperlyattachedto
ATXPWR,thepowersupplyoradd-on cardsmaybedamaged.

InstallingtheMainboard2-9
IR-IRConnector(Infrared)
PinnumberNameorsignificance ofsignal
1+5Vcc
2
Noconnection
3IR_RX
4Ground
5IR_TX
I/O portconnectors
NamePinnumberDescription
IDE1 40 IDEchannel1connector
IDE2 40 IDEchannel2connector
FDC34 Floppydiskconnector
LPT25 Parallelport
COM1 9 SerialportCOM1connector
COM2 9 SerialportCOM2connector
USB8UniversalserialBus
Notes:*IDE1,IDE2arehighperformance PCIIDEconnectors.Upto
fourIDEinterface devicesaresupported.

2-10 Chapter2
LM1-EISCA Connector
PinnumberNameorsignificance ofsignal
1I
2
CCLK
2
I
2
CDATA
3HCT
4KEY
5VCC
6
Speakerout
7
GND
8
VCCP
9
FAN1sensor
10
VCC3
11
FAN2sensor
12
+12V
WOL1,WOL2Connector(WakeOnLAN )
PinnumberNameorsignificance ofsignal
1SenseInput
2
GND
3
5VSB
SB-Link -Connector
PinnumberNameorsignificance ofsignal
1GNTA
2
GND
3
KEY
4
REQA
5
GND
6
SERIRQ

InstallingtheMainboard2-11
® Jumper and Switches
Youcansetjumperswitchesonthemainboardtoconfigurevarious
hardwareoptions.See Figure1-1forjumperlocations.
Throughoutthissection,thefollowingsymbolsareusedtoindicatejumper
settings.
For3-pinjumpers,thesymbolsbelowareused:
For2-pinsjumpers,thefollowingsymbolsareused:
Note:Toavoidlosingjumpercaps,attachtheremovedjumpercaptoone
ofthejumperpins.
ShortPins1and2withajumpercap.
ShortPins2and3withajumpercap.
Place thejumpercapoverthetwopinsofthe
jumpertoShortthejumper.
RemovethejumpercaptoOpenthejumpercap.

2-12 Chapter2
CCMOS1-CMOSDischargeJumper
JumperCCMOSdischargeCMOSmemory.Whenyouinstall the
mainboard,makesurethisjumperissetforNormalOperation(1-2).See
thejumperbelow.
SettingCCMOS
NormalOperation
(Default)
DischargeCMOS

InstallingtheMainboard2-13
¯ InstallationofthePentium

II CPU
1.Mountthetwoblackplasticpegsontothemainboard.Thesepegswill
beusedtoattachthefanheatsinksupports.Notice thatoneholeand
thebaseofonepegarelargerthantheotherholeandpegbase.Push
eachpegintoitsholefirmlytotheenduntil youhearit“click”into
place.
2.Slideablackplasticsupportontoeachendofthefanheatsink,making
surethattheholeandclipareontheoutsideedgeofthesupport.Slide
eachsupporttowardthecenteroftheprocessoruntil thesupportis
seatedintheoutsidegrooveinthefanhousing.
Retention
mechanism
Largepegandhold
Topofprocessor
Grooveinfanhousing

2-14 Chapter2
3.Slidetheclip(A)oneachsupporttowardtheprocessor,exposingthe
holethatwill fitthepegonthemainboard.Pushthelatches(B)onthe
processortowardthecenteroftheprocessoruntil theyclickintoplace.
4.Holdtheprocessorsothatthefanshroud isfacingtowardthepegson
themainboard.Slidetheprocessor(DirectionC)intotheretention
mechanismandpress evenlyandgently.Ensurethatthepegsonthe
mainboardslideintotheholesintheheatsinksupportandthatthe
alignmentnotchintheprocessorfitsovertheplug inSlot1.