QDI GeniuX 4 User manual

Declarationofconformity
QUANTUMDESIGNS(HK)LTD.
5/FSomersetHouse,TaiKooPlace 979 KingsRoad,
QuarryBay,HongKong
declaresthatthe product
GeniuX4Mainboard
isinconformitywith
(referencetothespecificationunderwhichconformityisdeclaredin
accordancewith89/336 EEC-EMCDirective)
þEN55022 Limitsand methodsofmeasurementsofradiodisturbance
characteristics ofinformationtechnologyequipment
þEN50081-1GenericemissionstandardPart1:
Residential,commercialandlightindustry
þEN50082-1GenericimmunitystandardPart1:
Residential,commercialandlightindustry
EuropeanRepresentative:
QDICOMPUTER(UK)LTDQDICOMPUTER(SCANDINAVIA)A/S
QDISYSTEMHANDELGMBHQDICOMPUTER(NETHERLANDS)B.V.
QDICOMPUTER(FRANCE)SARLQDICOMPUTERHANDELSGMBH
QDICOMPUTER(ESPANA)S.A.QDICOMPUTER(SWEDEN)AB
Signature:Place/Date:HONGKONG/1999
PrintedName:AndersCheung Position/Title:President

Declaration ofconformity
TradeName:QDIComputer(U.S.A.)Inc.
ModelName:GeniuX4
ResponsibleParty:QDIComputer(U.S.A.)Inc.
Address:41456 ChristyStreet
Fremont,CA94538
Telephone:[phone]
Facsimile:[phone]
EquipmentClassification:FCC Class BSubassembly
TypeofProduct:Mainboard
Manufacturer:QuantumDesigns(HK)Inc.
Address:5/F,SomersetHouse,TaiKoo Place
979 KingsRoad,QuarryBay,HONG
KONG
SupplementaryInformation:
Thisdevice complieswithPart15oftheFCCRules.Operationissubjectto
thefollowing twoconditions:(1)thisdevicemaynotcauseharmfulinterfer-
ence,and (2)thisdevicemustacceptanyinterference received,including
interferencethatmaycauseundesiredoperation.
Signature:Date:1999

CONTENTS
I
1.Introduction ............................................................... 1
Overview.......................................................................................... 1
KeyFeatures..................................................................................... 1
2.InstallationInstructions............................................. 5
JumperSettings.................................................................... 5
ProcessorFrequencySelection............................................... 5
ClearCMOS....................................................................................... 6
Enable/DisableonboardLAN(JP17).................................................... 6
ProcessorInstallation............................................................ 7
ExpansionCards........................................................................... 8
PCI1~PCI6.......................................................................................... 8
SCSI.................................................................................................. 9
LAN.................................................................................................. 9
AGP.................................................................................................. 9
PCIResourceConfiguration................................................................ 9
NarrowSCSI................................................................................... 10
WideSCSI....................................................................................... 10
Ultra2SCSI..................................................................................... 10
ExternalConnectors............................................................ 11
PS/2KeyboardConnector,PS/2MouseConnector............................ 11
USB1,USB2.................................................................................... 11
ParallelPortConnectorandSerialPortConnector(UART1,UART2)... 11
LANConnector................................................................................ 11
PowerSupplyConnector(J21,J22,J23)&PowerSwitch(Power) ..... 12
HardDiskLEDConnector(HDLED)
ResetSwitch(RESET)..................................................................... 13
SpeakerConnector(SPEAKER)........................................................ 13
PowerLEDConnector(PWR_LED).................................................... 13
Key_Lock Connector(KEY_L).......................................................... 13

CONTENTS
II
ACPILEDConnector(GRN_LED)....................................................... 13
HardwareGreenConnector(SLEEP)................................................... 13
InfraredHeader(IrDA)........................................................................ 14
FanConnector(PFAN1,PFAN2,PFAN3,PFAN3,PFAN4,PFAN5,BFAN,
CFAN)............................................................................................... 14
Wake-UpOnLAN(WOL).................................................................... 14
Wake-UpOnInternalModem(WOM)................................................... 15
I2CBusConnector.............................................................................. 15
MemoryConfiguration..............................................................15
3.SecurityEasy................................................................ 17
4.BIOSDescription.............................................................. 19
UtilitySupport...........................................................................19
FLASH.EXE..........................................................................................19
AWARD BIOSDescription........................................................21
EnteringSetup .....................................................................................21
LoadSetup Defaults.......................................................................... 21
StandardCMOSSetup ....................................................................... 21
BIOSFeaturesSetup ........................................................................ 24
ChipsetFeaturesSetup...................................................................... 26
PowerManagementSetup ................................................................. 28
PNP/PCIConfigurationSetup............................................................... 31
IntegratedPeripherals........................................................................ 33
SystemMonitor.................................................................................. 35
SecurityEasySetup .............................................................................36
PasswordSetting .............................................................................. 37
IDEHDD AutoDetection...................................................................... 38
BootwithBIOSdefaults..................................................................... 39
AppendixAQDIMainboardUtilityCD-ROM......................... 41
AppendixBBootLogo ........................................................ 42

ManualforGeniuX4
Chapter1
Introduction
Chapter1
1
Chapter1
Introduction
Overview
TheGeniuX4isahighlyintegrated,high performancemainboarddesignedformid-range
and higher-end serversand workstations.ItiscenteredontheIntel®440GXAGPsetand
supportstwoIntelPentium®II Xeon™processors.Itsupportsup to2GBofECCmemory,6
PCIslots(1ISAshared)and 7coolingfansforahighreliabilityarchitecture.Italsoprovides
advancedfeaturessuchaswake-up onLAN,wake-up oninternal/externalmodem,key-
boardpasswordpower-onfunctionandSecurityEasyfunction.Togetherwithitsintegrated
Intel82558LANandintegratedAdaptecAIC-7890 Ultra2SCSI,yougetapowerfulsystem
forcriticalbusiness serverapplications.
KeyFeatures
Microprocessor
lSupportsallIntelPentium®IIXeon™processorsat400/450MHzorhigherfrequency
with512KB/1MB/2MBL2cache.
lSupportsdualSlot2processors.
lSupports100MHzhostbusspeed.
lCPUcorefrequency=Busspeedx2,x4,x4.5,orotherratiosupportedbyIntel.
lTheCPUcoreandL2Cachevoltage adjustablefrom1.3Vto3.5Vautomatically
throughonboardswitchingvoltageregulatorwithVID(VoltageID).
Chipset
lIntel®440GXAGPset: 82443GX,82371EB(PIIX4E)
Systemmemory
lProvidesfour168pin3.3Vunbuffered DIMMsockets.
l Supports100MHzSDRAMmemoryandregisteredmemory.
l Supportsmaximun memorycapacityupto2GB.
l SDRAM64 bitdatainterfacewithECCsupport.
On-boardIDE
l SupportstwoPCIPIOandBusMasterIDEports.
l TwofastIDEinterfacessupporting fourIDEdevicesincludingIDEharddisks
andCD-ROMdrives.
l SupportsuptoPIOMode 4timing.
l Supports“UltraDMA/33”SynchronousDMAmode,transferring dataupto
33Mbytes/sec.
•Integrated16x32bitbufferforIDEPCIBurstTransfers.

ManualforGeniuX4
Introduction
2
On-boardI/O
l UseWinbondW83977EFsuperI/Ochip.
l Onefloppyportsupporting up totwo3.5”or5.25”floppydriveswith360K/720K/
1.2M/1.44M/2.88Mformat.
l Twohighspeed 16550compatibleUART(COM1/COM2/COM3/COM4selective)
with16-bytesend/receiveFIFOs.
l OneenabledparallelportattheI/Oaddress 378H/278H/3BCH withadditionalbi-
directionI/Ocapabilityandmulti-modeasSPP/EPP/ECP(IEEE1284 compliant).
l Circuitprotectionprovided,preventing damagestotheparallelportwhena
connectedprinterispoweredup oroperatesatahighervoltage.
l SupportsLS-120 floppydisk drive.
l AllI/Oportscanbeenabled/disabledintheBIOSsetup.
OnboardSCSI
lBasedontheAdaptecAIC-7890 PCItoSCSIcontrollerandAIC-3860chip.
lSupportsUltra2,Wide andNarrowSCSIinterface.
l Datetransferrateup to80MB/Sec.
l ProvidesdriversforDos,Windows95,WindowsNT,Netware,OS/2.
SCOUnix,Unixware.
l SCSIterminatorcanbe enabled/disabled automatically.
l ProvidesanexternalwideSCSIcable.(manufacturing option)
OnboardLAN
l Basedonthe Intel10/100MbpsPCItoLANcontroller82558.
l Supportsauto-negotiationprotocol.
l SupportsFullDuplexFlowControl.
l SupportsWake-upOnLAN(WOL).
l SupportsAdapterFaultTolerance(AFT).
l SupportsAdaptiveLoadBalancing (ALB).
l SupportsFastEtherChannel(FEC).
l SupportsHotplug.
Advancedfeatures
l PCI2.2specificationcompliant.
lProvidesTrendChipAwayVirus®OnGuard.
lProvideson-boardPS/2mouseandPS/2keyboardports.
lSupportstwoUSBports.
lProvidesinfraredinterface.
lSupportsWindows95/98softwarepower-down.
lSupportswake-uponLANandwake-uponinternal/externalmodem.
lOn-boardWinbond 83782 supportssystemmonitoring (monitorsCPUand
systemtemperatures,systemvoltagesandFANspeed).
l Supportskeyboardpasswordpower-onfunction.

ManualforGeniuX4
BIOS
l LicensedadvancedAWARDBIOS,supportsDIPflashROMwith2Mbitsmemory
size,plug and playready.
l SupportsIDECD-ROMorSCSIbootup.
Greenfunction
l SupportsACPI(AdvancedConfigurationand PowerInterface)andODPM
(OSDirected PowerManagement).
l Supportsthree greenmodes:Doze,Standbyand Suspend.
SecurityEasyfunction
l ProvidesadvancedSecurityEasyfunction
l Three waysareprovidedtoentertheSecurityEasylockstatus:sleepbutton/
KeyboardInactiveTimer/Hotkey.
l Powerswitch,resetbutton,PS/2mouseand keyboardarelockedin
theSecurityEasylock status.
Expansionslots
l6PCIslotsand1ISAslot.
l1AGPslot.
Boardsize
• 320mm x305mm.
3

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4

ManualforGeniuX4
Chapter2
Installation Instructions
chapter2
Chapter2
Installation Instructions
Thissection coversJumperSettings,ProcessorInstallation,Expansion cards,External
Connectorsand MemoryConfiguration.Refertothemainboardlayoutchartforlocationsof
all thejumpers,externalconnectors,slotsand I/Oports.Furthermore,thissectionlistsall
necessaryconnectorpinassignmentsforyourreference.Theparticularstateofthe jump-
ers,connectorsand portsareillustrated inthe following figures.Beforesetting thejumpers
orinserting theseconnectors,pleasepayattentiontothedirections.
JumperSettings
Jumpersettingsarelocatedonthemainboard.Pin1ofall jumpersarelocatedontheside
withathickwhiteline(Pin1),referring tothemainboardsilkscreen.Jumpers
withtwopinswill beshowngraphicallyasforcloseand foropen.Jump-
erswiththree pinswill beshownastorepresentpin1&pin2connectedand
torepresentpin2 &pin3 connected.
ProcessorFrequencySelection (JP5)
JumperJP5setstheprocessorfrequency.Thedetailsareasshownbelow.
Besuretounplug theACpowersupplybeforeadding orremoving expansioncards
orothersystemperipherals,otherwiseyourmainboardand expansioncardsmight
beseverelydamaged.
JP5
JP5
JP5
200MHz
400MHz
450MHz
1
2
7
8
1
2
7
8
1
2
7
8
5

ManualforGeniuX4
Installation Instruction
6
Carefullysettheprocessorfrequencybyreferring tothelistbelow.Thedefaultsetting is
400MHz.
ClearCMOS(JP6)
If you wanttoclearCMOS,unplugtheACpowersupplyfirst,closeJP6(pin1&pin2)once,
setJP6back tonormalstatuswithpin2&pin3connected,thenpoweronthesystem.
Pentium®II
XeonTMProcessor7-85-63-41-2
JP5
400MHzCLOSEOPENCLOSECLOSE
450MHzCLOSEOPENCLOSEOPEN
Enable/DisableonboardLAN(JP17)
Ifusing onboardLAN,closeJP17(default).Otherwise,setJP17openfordisabling the
onboardLAN.
JP6
JP6
Normalstatus:
ClearCMOS:
123
123
Enable:
Disable:
JP17
JP17
12
12
200MHzOPENOPENOPENOPEN

ManualforGeniuX4
chapter2
7
ProcessorInstallation
BeforeinstallingthePentium®IIXeonTMprocessor,makesurethepro-
cessorfrequency issetproperlyaccordingtothespecificationofthe
processor.Whenasingleprocessorisused,onlytheCPUAslot(refer
tochartbelow)canbeselectedtoinstalltheprocessor,whilethe
GTC(GTLTerminatorCard)mustbepluggedintotheCPUBslot.When
dualprocessorsareused,they shouldbeidentical.
Theinstallation stepsareasshownbelow.
CPUA
CPUB
2.Placethe upperguideontothePentium®II XeonTM
processor,securing it.
1.Placetheouttersideguidesofthe
retentionmoduleontothemainboard,
payingattentiontothe4holesonthe
mainbaordaroundslot2,thensecure
the4screws.

ManualforGeniuX4
Expansion Cards
PCI1,PCI2,PCI3,PCI4,PCI5,PCI6
ThePCIbususesitsowninternalinterruptsystemfordealingwithrequestsfromthe cards
onthebus.Theseinterruptsareoftencalled“PIRQ#A”,“PIRQ#B”,“PIRQ#C”and“PIRQ#D”to
avoidconfusionwiththenormalnumberedsystemIRQs(IRQ0~15).Theseinterrupts,if
neededbycardsintheslots,aremappedtothenormalsystemIRQs.Thefollowing chart
showhowthePCIslotsconnecttheseinternalinterrupts.
3.Slidetheprocessorwithupperguide
connected,insertingitontothe mainboard
4.Finallyscrewthe4nutsonthetopofthe
retentionmodule.
A6-PIRQ#C
A7-PIRQ#A
PIRQB#-B8
PCI1/PCI6
A6-PIRQ#A
A7-PIRQ#C
PIRQB#-B7
PIRQD#-B8
PCI2/PCI4
A6-PIRQ#D
A7-PIRQ#B
PIRQA#-B7
PIRQC#-B8
PCI3
A6-PIRQ#B
A7-PIRQ#D
PIRQC#-B7
PIRQA#-B8
PCI5
PIRQD#-B7
Installation Instruction
8

ManualforGeniuX4
SCSI
TheonboardSCSIadapterAIC-7890occupiesPIRQ#CofthePCIinterrupt.
LAN
TheonboardLANadapter82558occupiesPIRQ#BofthePCIinterrupt.
AGP
NormallyAGPcardoccupiesPIRQ#AofthePCIinterrupt.
PCIResourceConfiguration
NormallyPCIcardusesA6asthe IRQline,andAGPoccupiesPIRQ#Aofthe PCIinterrupt.
Basedon thisassumption,werecommendthePCIresourceconfigurationlisted inthetable
below.
PCIInterruptPIRQ#APIRQ#BPIRQ#CPIRQ#D
OnboardDeviceLANSCSI
AGPAGP
USBUSB
PCI
PCISlots
(Referto
abovechart)
PCI2,PCI4PCI5PCI1PCI3
PCI6
Devices
Installed
1.Iftheadd-inAGPcard
can sharethe interrupt
withotherdevices,the
masterdevicecanoc-
cupyoneslot,however
slavedevicescan bein-
stalledonbothslotsatthe
sametime,orsimulta-
neouslyinstallone mas-
terand oneslavedevice.
2.Iftheadd-inAGPcard
cannotsharetheinter-
rupt,onlyslavedevices
can beinstalled.
1.If noUSBdeviceis
connectedand theop-
tion“Assign IRQFor
USB”in“PNP/PCICON-
FIGURATION”ofCMOS
setupisdisabled,both
masterand slavede-
vicescan be installed,
2.IfaUSB deviceis
connected,ortheoption
“AssignIRQForUSB”in
“PNP/PCICONFIGURA-
TION”ofCMOSsetupis
enabled,onlyslavede-
vicescan be installed.
Slave
device
only.
Slave
device
only.
chapter2
9

ManualforGeniuX4
NarrowSCSI
NarrowSCSIinterfaceusesan8-bitbusand a50-pinconnector.ItsupportsUltranarrow
SCSIperipheralsand supportsdatatransferrateof20MB/S.Besuretheredside ofthecable
isaligned withthe end ofthe connectorwhichismarked with“”
WideSCSI
WideSCSIinterfaceusesa16-bitbusanda68-pinconnector.ItsupportsUltraWide SCSI
peripheralsandsupportsdatatransferrateof40MB/s.
Ultra2SCSI
Ultra2SCSIinterfaceusea16-bitbusanda68-pinconnector.ItsupportsWide Ultra2SCSI
peripheralsandsupportsdatatransferrateof80MB/S.Pleasenote:
1.UltraWideSCSIHDDscanbeconnectedtoeitherWideSCSIconnectororUltra2
SCSIconnector.Inbothwaysthedatatransferrateis40MB/S.
2.Ultra2SCSIHDDscanalsobeconnectedtoeitherUltra2SCSIconnectororWide
SCSIconnector.Supportsthedatatransferrateof80MB/Sonlywhenconnect-
ingtoUltra2SCSIconnector.IfconnectingtoWideSCSIconnector,thedatatrans-
ferrateis40MB/S
3.IfanUltrawideSCSIHDDisconnectedtoUltra2SCSIchannel,andallotherHDDs
connectedareUltra2SCSIHDDs,thedatatransferratesupportedwillbe40MB/
Sforall.
Installation Instruction
10

ManualforGeniuX4
ExternalConnectors
PS/2KeyboardConnector,PS/2MouseConnector
PS/2keyboardconnectorisfortheusageofPS/2keyboard.Ifusing astandardATsize
keyboard,anadaptershouldbeusedtofitthisconnector.PS/2mouseconnectorisfor
theusageofPS/2mouse.
USB1,USB2
TwoUSB portsareavailableforconnecting USB devices.
ParallelPortConnectorand SerialPortConnector(UART1,UART2)
Theparallelportconnectorcanbeconnectedtoaparalleldevicesuchasaprinter,while
theserialportconnectorscanbeconnectedtoserialportdevicessuchasaserialport
mouse.Youcan enable/disablethemandchoosetheIRQorI/Oaddress in“INTEGRATED
PERIPHERALS”fromAWARDBIOSSETUP.
LANConnector
TheonboardLANsupportsIEEE802.310 BASE-Tand100BASE-TX.AnRJ-45connectoris
providedfortwisted-paircabling.Datatransferspeedisautomaticallydetermined bythe
auto-negotiationprotocol.TwoLEDindicatorsareprovided:LINKand Active.
PS/2MouseConnector
PS/2KeyboardConnector
Bottom:USB2
Top:USB1
ParallelPort
UART1UART2
RJ-45 connector
for10/100 Mbps
chapter2
11
LINKActive

ManualforGeniuX4
PowerSupplyConnector(J21,J22,J23)&PowerSwitch(POWER)
TheGeniuX4greenmainboardsupportsthestandardindustrialATXpowersupply.Check
theratingsofthepowersupplyinstalledtoensureitmeetsthefollowing requirements.
Powerrequirement
Normallythemaximumratingpowerforthepowersupplyinstalled shouldbe atleast300W.
Iftherearetoo manyperipheraldevicesinyoursystem,astrongerpowersupplyis
needed.
Currentrequirements
Voltages+3.3V+5V+12V-5V-12V5VSB
Currents14A24A10A0.25A0.5A0.72A
The5VSB linecurrentofthepowersupplyshouldbetakenintoconsideration.Ifitisless
than 0.72A,thesystemmaynotworkproperly.IfaPCIcardusing5VSBlineisinserted,the
5VSB line currentofthepowersupplyshouldbemore.
Themainboardprovidesthree powerconnectors(J21,J22,J23),asnotedbelow:
1.Usingtwopowersupplies simultaneouslyisprohibited.Thiswill resultin
seriousdamagestoyourmainboard.
2.Connetors(J21,J22,J23)canbeusedonlybyonepowersupplywithrelated
plugs.Forexample,iftwoIntelPentium®IIXeonTMProcessorsareusedon
thesystem,itisnecessarytousethepowersupplywhichhasatleasttwo
powerplugs(abigoneforJ21/J22 andasmall oneforJ23).
The powerswitch(POWER)shouldbeconnected toamomentaryswitch.Whenpowering
upyoursystem,firstturnonthemechanicalswitchofthe powersupply(ifoneispro-
vided),thenpushoncethebuttonofthepowerswitch.Whenpoweringoffthesystem,
you needn’tturnoffthe mechanicalswitch,justpushoncethebuttonofthepowerswitch.
If youchange“soft-off byPWR-BTTN”fromdefault“Instant-off”to“Delay4Secs”in
BIOSSetup (POWERMANAGEMENTSETUP),thepowerbuttonshouldbepressedfor
morethan4secondsbeforethesystempowersdown.
AssistantPowerConnector(J23)
PowerSupplyConnector(J21,J22)
3.3V3.3VGND5VGND 5VGNDPS-OK5VSB12V
3.3V-12VGNDPSONGND GNDGND -5V5V5V
20
1
+5V+3.3V+3.3VGNDGNDGND
POWERSwitch
Installation Instruction
12

ManualforGeniuX4
HardDiskLEDConnector(HDLED)
Theconnectorconnectstothecase’sHDD LEDindicating theactivitystatusofIDEhard
disk/CD-ROMdriveorSCSIharddisk/CD-ROMdrive.Theconnectorhasanorientation.If
onewaydoesn’twork,trytheotherway.
ResetSwitch(RESET)
Theconnectorconnectstothecase’sresetswitch.Press the switchonce,thesystem
resets.
SpeakerConnector(SPEAKER)
Theconnectorcanbeconnectedtothespeakeronthecase.
PowerLEDConnector(PWRLED)
ThepowerLEDhastwostatus.Whenthesystemisinpower-offstatus,theLEDisoff.
When thesystemispowered up,the LEDison.
Key-LockConnector(KEY_L)
Theconnectorcanbe connectedtothekeyboardlockswitchonthecaseforlockingthe
keyboard.
ACPILEDConnector(GRN_LED)
TheLEDConnectedtothisheadershowsthestatusofthesystemasdescribedbelow:
LEDStatusSystemStatus
Off Thesystemisinpower-off status.
OnThesystemisinpower-up status.
Flashing atafrequencyofabout1HzThesystemisinGreenMode.
Flashing atafrequencyofabout1/2HzThesystemisinSecurityEasyLock status.
HardwareGreenConnector(SLEEP)
Pushthisswitchonce,thesystementerssuspendmode.Pushthe switchagain,the
systemwillbewoken up.IftheSecurityEasy functionisenabled,pushingthe switch
enablesthesystemtoenterSecurityEasyLock status.
SLEEP
GRN_LED
KEY_L
PWRLED
POWER
SPEAKER
RESET
HD_LED
GND
SLEEP
LED-
LED-
LED+
GND
KEYLOCK
LED-
LED-
LED+
GND
POWER
VCC
GND
NC
SPKDATA
RESET
GND
LED-
LED+
chapter2
13

ManualforGeniuX4
InfraredHeader(IRDA)
Thisconnectorsupportswireless transmitting andreceiving.Youmustset“SerialPort2
Mode”toIrDAorASKIRand configurethe settingsinthe“INTEGRATEDPERIPHERALS”
sectionoftheBIOS.
FanConnector(PFAN1,PFAN2,PFAN3,PFAN4,PFAN5,BFAN,CFAN)
PFAN1/PFAN5referstoprocessorfan1/5.BFANreferstoBAKFANand CFANrefersto
chassisfan.Thespeedofthesesevenfanscanbedetectedbythesystem,and viewedin
“SystemMonitor”ofthe BIOS.
Wake-UpOnLAN(WOL)
Thisconnectorisreservedfortheusage ofthecustomer’sownLANcard.ThroughWake-
up OnLANfunction,awakeeventoccuring fromnetworkcanwakeup thesystem.Ifthis
function istobeused,pleasebesurean ATX2.01 powersupplyofwhich5VSB lineis
capableofdelivering 720mA,andaLANadapterwhichsupportsthisfunctionareused.
ThenconnectthisheadertotherelevantconnectorontheLANadapter,set“Resumeby
Ring orLAN”asEnabledfromthe“POWERMANAGEMENTSETUP”section ofthe BIOS.
Save&exit, thenboottheoperating systemoncetomakesurethisfunctiontakeseffect.
Signalforwakingup (activehigh)
+5Vstandby
GND
WOL
IrDA
VCC
IRRX
GNDNC
IRTX
VCC
FANGND
SENSE
+12V
BFAN,CFAN
PFAN1,PFAN2
PFAN3
PFAN4,PFAN5
Installation Instruction
14

ManualforGeniuX4
chapter2
15
Wake-UpOnInternalModem(WOM)
Throughthe Wake-UpOnInternalModemfunction,thesystemwhichisinpower-off status
canbepoweredup byaring signalreceivedfromtheinternalmodem.Ifthisfunctionisto
beused,pleasebesurean internalmodemcardwhichsupportsthisfunctionisused.Then
connectthisheadertotherelevantconnectoronthemodemcard,set“ResumebyRingor
LAN”toEnabledfromthe“POWERMANAGEMENTSETUP”sectionoftheBIOS.Save&exit,
thenboottheoperating systemoncetomakesurethisfunctiontakeseffect.
I2CBusConnector(J34,J35)
TheI2C-busconnectorsareprovidedtoconnectthesystemdevicesbyusing I2Cbus.
MemoryConfiguration
Thismainboardprovidesfour168pin3.3Vun-bufferedDIMMsocketstosupportaflexible
memorysizerangingfrom8MBto2GB.Both100MHzSDRAMand registeredDIMMsare
supported.Thefollowing setofrulesallowoptimumconfigurations.
Rulesforpopulatinga440GXmemoryarray:
lSDRAMandregistered DIMMscan notbeusedon thesamesystem,itisadvisedyouuse
onlyonekind ofDIMM.
lPossibleSDRAMDIMM memorysizesare8MB,16MB,32MB,64MB,128MBor256MB
ineachDIMMsocket.
+5Vstandby
GND
Signalforwakingup (activelow)
WOM
GND
NC
3V
5V
SCL
SDA
5VSB
3VSB
NC
GND1
J34,J35

ManualforGeniuX4
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