QDI P6I440BX/B1S User manual

ManualforP6I440BX/B1S
P6I440BX/B1S
9
SETUPDELLASCHEDA SPEEDEASY
Proceduradiinstallazione:
1.InseriteilmicroprocessorePentium®II/Intel®CeleronTMcomedaistruzioni.
2.Modificatelaconfigurazionedelcomputereripristinateil sistema.
3.Premeteiltasto<Del>eaccendeteil computerperentrarenelsetupBIOS.
4.Entratenelmenu“SpeedEasyCPU*SETUP”perregolarelavelocit…del
microprocessore.1
Nota:se non regolatelavelocitàdelmicroprocessore,il sistemafunzionerà
con leregolazionistandard(Microprocessoreda200MHzcon velocitàdi
“hostbus”da100MHzemicroprocessoreda133MHzcon velocitàdi“host
bus”da66MHz).
5.SalvateeuscitedalSetupBIOS,efateripartireilcomputer.
*CPU=microprocessore

ManualforP6I440BX/B1S
10
Spiegazionitecniche sulmicroprocesoreSpeedEasy
Menu delSetupdelMicroprocessoreSpeedEasy
Selezionare<SpeedEasy CPUSETUP>dalmenuprincipaleed entrarenelseguente
sottomenu:
Figure-1MenudelSetupdelMicroprocessoreSpeedEasy
I1sistemaBIOSViforniràunaseriedivaloribaseperlaselezione delmicroprocessoreal
postodellaregolazionejumper(dell’accoppiamento).Poteteselezionaremanualmentela
velocitàdelmicroprocessoresullaschermata“SpeedEasyCPUSETUP”.
Avvertenza:
nondoveteregolarelafrequenzadelmicroprocessorepialtadiquellapredisposa,
altrimentilacasaproduttricenon sifaràcaricodieventuali dannialmicorprocessore.

ManualforP6I440BX/B1S
P6I440BX/B1S
11
SpeedEasy ¿ìËÙ°²×°Ö¸ÄÏ
³ÌÐò:
1.ÕýÈ·µØ²åÈëPentium®II»òIntel®CeleronTMÖÐÑë´¦ÀíÆ÷¡£
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×¢Òâ:Èô²»µ÷½ÚÖÐÑë´¦ÀíÆ÷µÄËÙ¶È£¬ÏµÍ³½«ÒÔÔ¤É趨µÄËÙ¶ÈÔËÐУ¨¶ÔÓÚ×ÜÏ߯µÂÊΪ
100MHzµÄCPU, Ϊ200MHz£»¶ÔÓÚ×ÜÏ߯µÂÊΪ66MHzµÄCPU, Ϊ133MHz£©¡£
5. ´æ´¢É趨ֵ£¬Í˳öBIOS£¬ÏµÍ³¾Í¿ÉÒÔ°´ÄãÉ趨µÄËÙ¶ÈÔËÐÐÁË¡£

ManualforP6I440BX/B1S
SpeedEasy·½Ê½½éÉÜ
12
SpeedEasyÖÐÑë´¦ÀíÆ÷É趨²Ëµ¥
´ÓÖ÷ÉèÖò˵¥ÖÐÑ¡Ôñ<SpeedEasyCPUSETUP>ÏȻáá½øÈë´Î²Ëµ¥£º
ͼ£-1 SpeedEasyÖÐÑë´¦ÀíÆ÷É趨ÏîÄ¿µ¥
BIOSΪÄãµÄÖÐÑë´¦ÀíÆ÷Ìṩһ×é»ù±¾Ñ¡ÏÒÔ´úÌæ´«Í³µÄÌøÏß(jumper)·½Ê½£¬Ê¹
Äã¿ÉÒÔÔÚ¡°SpeedEasyCPUSETUP¡±²Ëµ¥ÉÏ£¬ÎªÖÐÑë´¦ÀíÆ÷Ñ¡ÔñÕýÈ·µÄ¹¤×÷Ƶ
ÂÊ¡£
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²»»á¸ºÔðÓɴ˶ø²úÉúµÄÈκÎËð»Ù¡£

ManualforP6I440BX/B1S
P6I440BX/B1S
13
SpeedEasy¿ìËÙ°²×°Ö¸ÄÏ
³ÌÐò£º
1.ÕýÈ·µØ²åÈëPentium®II»òIntel®CeleronTMÖÐÑë´¦ÀíÆ÷¡£
2.²åÈëÆäËûÅäÖã¬×é×°³ÉÍêÕûµÄ΢»úϵͳ¡£
3.¿ªÆôϵͳµçÔ´£¬²¢ÇÒ°´×¡<Del>¼ü,½øÈëBIOSÉèÖóÌÐò¡£
4.½øÈë¡°SpeedEasy CPUSETUP¡±²Ëµ¥£¬ÒÔµ÷½ÚÖÐÑë´¦ÀíÆ÷µÄËÙ¶È¡£
×¢Ò⣺Èô²»µ÷½ÚÖÐÑë´¦ÀíÆ÷µÄËÙ¶È£¬ÏµÍ³½«ÒÔÔ¤ÉèµÄËÙ¶ÈÔËÐÐ(100Õ׺Õ×Ü
ÏßµÄCPU»áÒÔ•200Õ׺ÕÔËÐУ¬66Õ׺Õ×ÜÏßµÄCPU»áÒÔ133Õ׺ÕÔËÐÐ)¡£
5.´æ´¢É趨ֵ£¬Í˳öBIOS£¬ÏµÍ³¾Í¿ÉÒÔ°´ÄãÉ趨µÄËÙ¶ÈÔËÐÐÁË¡£

ManualforP6I440BX/B1S
SpeedEasy·½Ê½½éÉÜ
14
SpeedEasyÖÐÑë´¦ÀíÆ÷É趨²Ëµ¥
´ÓÖ÷ÉèÖò˵¥ÖÐÑ¡Ôñ<SpeedEasy CPUSETUP>ÏȻáá½øÈë×Ӳ˵¥£º
ͼ£-1 SpeedEasyÖÐÑë´¦ÀíÆ÷É趨ÏîÄ¿µ¥
BIOSΪÄãµÄÖÐÑë´¦ÀíÆ÷Ìṩһ×é»ù±¾Ñ¡ÏÒÔ´úÌæ´«Í³µÄÌøÏß(jumper)·½Ê½£¬Ê¹
Äã¿ÉÒÔÔÚ¡±SpeedEasyCPUSETUP”²Ëµ¥ÉÏ£¬ÎªÖÐÑë´¦ÀíÆ÷Ñ¡ÔñÕýÈ·µÄ¹¤×÷ƵÂÊ¡£
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Óɴ˶ø²úÉúµÄÈκÎËð»Ù¡£

ManualforP6I440BX/B1S
Chapter1
Introduction
Chapter1
Introduction
Overview
TheP6I440BX/B1SgreenmotherboardutilizestheIntel®440BXAGPsetandprovidesa
highlyintegratedsolutionforfullycompatible,highperformancePC/ATXplatform.Itprovides
66MHzand100MHzsystembussupportforallIntelPentium®IIandCeleronTMprocessors.
Both66MHz/100MHzSDRAMwithSPDand66MHzEDODIMMsaresupported.Italso
providesadvancedfeaturessuchaswake-uponLAN,wake-uponinternal/externalmo-
demandkeyboardpasswordpower-onfunction.ManageEasy,oursystemmanagement
applicationissupplied toenableremotemonitoringandconfigurationofthe system.The
greenfunctionisincompliancewiththeACPIspecification.Withtheeverlastinginnovations
ofQDIsuchasSpeedEasy,LogoEasy andSecurityEasy technologies,yougetapowerful
corporatesystem.
Key Features
Formfactor
ATXformfactorof305mmx190mm.
Microprocessor
SupportsallIntelPentium®IIprocessorsat233/266/300/333MHzwith66MHzbus
speedand350/400/450MHzwith100MHzbusspeed.
SupportsallIntel®CeleronTMprocessorsat266/300/333MHzwith66MHzbus
speed.
Supports66MHzand 100MHzhostbusspeed.
CPUcorefrequency=Busspeedx2.5,x3,x3.5,x4,x4.5,x5,x5.5
CPUcoresupplyvoltageadjustablefrom1.3Vto3.5Vthroughon-boardswitching
voltageregulatorwithVID(VoltageID).
Chipset
Intel®440BXAGPset:82443BX,82371EB (PIIX4E)
Systemmemory
Providesthree168 pin3.3VunbufferedDIMMsockets.
Supportsboth66MHz/100MHzSDRAMswithSPDand66MHzEDODIMMs.
Minimummemorysizeis8MB,maximummemorysizeis768MB.
SDRAM64bitdatainterfacewithECCsupport.
15
Chapter1

ManualforP6I440BX/B1S
On-boardIDE
SupportstwoPCIPIOand BusMasterIDEports.
TwofastIDEinterfacessupportingfourIDEdevicesincludingIDEharddisksand
CD -ROMdrives.
Supportsuptomode4timing.
Supports“UltraDMA/33”SynchronousDMAmodetransferringupto33Mbytes/sec.
Integrated16x32bitbufferforIDEPCIBurstTransfers.
On-boardI/O
UseWinbondW83977EFsuperI/Ochip.
Onefloppyportsupportinguptotwo3.5’’or5.25”floppydriveswith
360K/720K/1.2M/1.44M/2.88Mformat.
Twohighspeed16550fastcompatibleUARTs(COM1/COM2/COM3/COM4
selective)with16-bytesend/receiveFIFOs.
OneenabledparallelportattheI/Oaddress378H/278H/3BCHwithadditional
bi-directionI/Ocapabilityandmulti-modeasSPP/EPP/ECP(IEEE1284compliant).
Circuitprotectionprovided,preventingdamagetotheparallelportwhena
connectedprinterispowereduporoperatesatahighervoltage.
SupportsLS-120floppydiskdrive.
AllI/Oportscanbeenabled/disabledintheBIOSsetup.
Advancedfeatures
ProvidesTrendChipAwayVirus®OnGuard.
Provideson-boardPS/2mouseandPS/2keyboardports.
TwoUSBportssupported.
Providesinfrared interface.
SupportsWindows95/98 softwarepower-down.
Supportsexternalmodemringpower-on.
Supportswake-uponLANandwake-uponinternalmodem.
Supportsautofanoffwhenthesystementerssuspend mode.
On-boardLM80supportssystemmonitoring(monitorssystemtemperature,voltages,
chassisintrusionandfanspeed)(manufacturingoption).
On-boardMAXIM1617monitorstheCPUtemperature.(manufacturingoption)
ProvidesmanagementapplicationsuchasManageEasyandLDCM(LANDesk®Client
Manager)(manufacturingoption).
Supportskeyboardpasswordpower-on function.
SupportsSecurityEasyfunction(manufacturingoption)
SystemstatusresumesafterACpowerfailure.
Introduction
16

ManualforP6I440BX/B1S
BIOS
Licensed advanced AWARDBIOS,supportsflashROMBIOSwith2MBmemory
size,plugandplayready.
SupportsIDECD-ROMorSCSIbootup.
Greenfunction
SupportsACPI(AdvancedConfigurationandPowerInterface)and ODPM(OS
DirectedPowerManagement).
Supportsthree greenmodes:Doze,Standbyand Suspend.
Expansionslots
3ISAslotsand4PCIslots.
1AGPSlot
17
Chapter1

ManualforP6I440BX/B1S
18
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ManualforP6I440BX/B1S
Chapter2
InstallationInstructions
Chapter2
InstallationInstructions
ThissectioncoversExternalConnectors,JumperSettingsandMemoryConfiguration.Re-
fertothemotherboardlayoutchartforlocationsofallthejumpers,externalconnectors,
slotsandI/Oports.Furthermore,thissectionlistsallnecessaryconnectorpinassignments
foryourreference.Theparticularstateofthe jumpers,connectorsandportsareillustrated
inthefollowingfigures.Beforesetting thejumpersorinserting theseconnectors,please
payattentiontothe directions.
Besuretounplug theACpowersupplybeforeadding orremovingexpansion
cardsorothersystemperipherals,otherwise yourmotherboardand expan-
sioncardsmightbeseriouslydamaged.
ExternalConnectors
PS/2KeyboardConnector,PS/2Mouse Connector
PS/2keyboardconnectorisfortheusageofPS/2keyboard.If using astandardATsize
keyboard,anadaptershouldbeusedtofitthisconnector.PS/2mouseconnectorisforthe
usageofPS/2mouse.
USB1,USB2
TwoUSBportsareavailableforconnectingUSBdevices.
ParallelPortConnectorandSerialPortConnector(UART1,UART2)
Theparallelportconnectorcanbeconnectedtoaparalleldevicesuchasaprinter,while
theserialportconnectorscanbeconnectedtoserialportdevicessuchasaserialport
mouse.Youcanenable/disablethemand choosetheIRQorI/Oaddressin“Integrated
Peripherals” fromAWARDBIOSSETUP.
chapter2
19
ParallelPort
UART2UART1
USB1
USB2
PS/2MouseConnector
PS/2KeyboardConnector

ManualforP6I440BX/B1S
ATXPowerSupplyConnector&PowerSwitch(POWER)
Besuretoconnectthepowersupplyplugtothisconnectorinitsproperorientation.The
powerswitch(POWER)shouldbeconnectedtoamomentaryswitch.Whenpoweringup
yoursystem,firstturnonthe mechanicalswitchofthepowersupply(ifone isprovided),
then pushoncethepowerbutton.Whenpoweringoffthe system,you needn’tturnoffthe
mechanicalswitch,justPushonce*thepowerbutton.
Note:*Ifyouchange“soft-off byPWR-BTTN”fromdefault“Instant-off”to“Delay
4Secs”inthe“POWERMANAGEMENTSETUP”section oftheBIOS,thepower
button shouldbepressedformorethan4secondsbeforethesystempowers
down.
HardDiskLEDConnector(HD_LED)
Theconnectorconnectstothecase’sIDEindicatorLEDindicatingthe activitystatusof
IDEharddisk.
ResetSwitch(RESET)
Theconnectorconnectstothecase’sresetswitch.Presstheswitchonce,the system
resets.
SpeakerConnector(SPEAKER)
Theconnectorcanbeconnectedtothespeakeronthecase.
PowerLEDConnector(PWR_LED)
ThepowerLEDhasthreestatus.WhennoACpowersupplyispresent,theLEDisoff.
Whenthesystemisinsoftpower-downstatus,theLEDglowsdimly.Whenthesystem
ispoweredup,theLEDison.
Key-LockConnector(KEY_L)
Theconnectorcanbeconnectedtothekeyboardlockswitchonthecaseforlockingthe
keyboard.
Installation Instruction
20
POWER
5V5V-5VGNDGNDGND PSONGND-12V3.3V
12V5VSBPS-OKGND5VGND5VGND3.3V3.3V
ATXPowerSupplyConnector
1
20

ManualforP6I440BX/B1S
GreenLEDConnector(GREEN_LED)
TheLEDconnectedtothisheadershowsthestatusofthesystemasdescribedbelow:
LEDStatusSystemStatus
Off NoACpowersupply.
OnThesystemisinpower-upstatus.
Flashingatafrequencyofabout1.5HzThesystemisinsoft power-downstatus.
Flashingatafrequencyofabout0.5HzThesystemisinGreenMode.
Flashingatafrequencyofabout1/6HzThesystemisinLockstatus.
HardwareGreenConnector(SLEEP)
IftheSecurityEasyfunctionisenabled,pushoncetheswitchconnectedtothisheader
andthesystemwillenterlockstatus.Ifthelockfunctionisdisabled,pushoncethe
switch,thesystementerssuspendmode.
InfraredHeader(IrDA)
Thisconnectorsupportswirelesstransmittingandreceiving.Ifusingthisfunction,set
‘SerialPort2Mode’toIrDAorASKIRandconfigurethesettingsfromthe‘INTEGRATED
PERIPHERALS’sectionoftheBIOS.
chapter2
21
VCC
NCIRRX
GND
IRTXVCC
POWER
PWR_LED
KEY_L
GREEN_LED
HD_LED
RESET
SPEAKER
SLEEP
LED+
LED-
GND
RESET
SPKDAT
A
NC
GND
VCC
GND
POWER
LED+
LED-
LED-
KEYLOCK
GND
LED+
LED-
LED-
SLEEP
GND

ManualforP6I440BX/B1S
FanConnector(CPUFAN,CHSFAN)
Thesetwofansarecontrollable.Theywill be automaticallyturned off afterthesystem
enterssuspendmode.YoualsocanchoosenottoturntheCPUFANoffbysetting“CPUFAN
OffInSuspend”asDisabledinthe“POWERMANAGEMENTSETUP”sectionoftheBIOS.
Wake-UpOnLAN (WOL)
Through theWake-UpOnLANfunction,awakeeventoccurring fromthe networkcan
wakeup the system.If thisfunction istobe used,pleasebe surean ATX2.01 power
supplyofwhich5VSB line iscapableofdelivering 720mA,andaLANadapterwhich
supportsthisfunctionareused.Then connectthisheadertotherelevantconnectoronthe
LANadapter,set“WakeUpOnLAN”asEnabledinthe“POWERMANAGEMENTSETUP”
sectionoftheBIOS.Save&exit,thenboottheoperatingsystemoncetomakesurethis
functiontakeseffect.
Wake-UpOnInternalModem(WOM)
ThroughtheWake-UpOnInternalModemfunction,thesystemwhichisinthepower-off
statuscanbepoweredonbyaringsignalreceivedfromtheinternalmodem.Ifthisfunction
istobe used,besureaninternalmodemcardwhichsupportsthefunction isused.Then
connectthisheadertotherelevantconnectoronthemodemcard,set“ResumebyRing”to
Enabledinthe“POWERMANAGEMENTSETUP”sectionoftheBIOS.Save&exit,thenboot
theoperatingsystemoncetomakesurethisfunctiontakeseffect.
Installation Instruction
22
1
+5Vstandby
GNDSignalforwakingup(activehigh)
FANGND(Controllable)
+12V
SENSE
CPUFAN
FANGND
CHSFAN
+12V
1
+5VstandbyGND
Signalforwakingup(activelow)
SENSE

ManualforP6I440BX/B1S
ChassisSecuritySwitch(CHSSEC)
Ifthe switchisoff, thisindicatesthechassisisclosed.Otherwise,itindicatesthe
chassisisopened.
SoundConnector(PC-PCI)
ThisconnectorisfortheusageofPCIsoundcard.
Expansion Slots&I/OPortsdescription
Slot/PortDescription
ISA1FirstISAslot.
ISA2SecondISAslot.
ISA3ThirdISAslot.
PCI1FirstPCIslot.
PCI2SecondPCIslot.
PCI3ThirdPCIslot.
PCI4FourthPCIslot.
IDE1PrimaryIDEport.
IDE2SecondaryIDEport.
FLOPPYFloppyDrivePort.
AGPAcceleratedGraphicsPort
chapter2
23
Indicatesignal
GND
6-SERIALINTERRUPTREQUEST
PC/PCIDMAACKNOWLEDGE-12-GND
NC-3
GND-5
4-PC/PCIDMAREQUEST

ManualforP6I440BX/B1S
JumperSettings
Therearesomejumpersonthemotherboard,theyrepresent,clearCMOSjumperJCC,
enablekeyboardpasswordpower-onfunctionjumperJP2.Pin1forall jumpersarelocated
onthesidewithathickwhiteline(Pin1→),referringtothemotherboard’s
silkscreen.Jumperswiththree pinswill beshownastorepresentpin1&pin2
connectedandtorepresentpin2&pin3connected.
ClearCMOS(JCC)
Ifyou wanttoclearCMOS,unplug theACpowersupplyfirst, closeJCC(pin1&pin2)once,
setJCCbacktothenormalstatuswithpin2&pin3connected,thenpoweronthesystem.
Enablekeyboardpasswordpower-onfunction (JP2)
Themotherboardprovidestheadvancedkeyboardpasswordpower-on function.When
wanting tousethisfunction,setJP2withpin1&pin2 closed.Otherwise,setJP2with
pin2&pin3shortenedfordisablingthisfunction.
I
Inordertoimplementthisfunction,set“POWERONFunction”toPasswordandenterthe
keyboardpower-onpasswordinthe“INTEGRATEDPERIPHERALS”sectionoftheBIOS.
Saveandexit, then poweroff yoursystem.Inthiscase,the powerbutton’s power-on
functionhasbeendisabled.Theonlywaytopowerupthe systemistoenterthecorrect
password.Ifyouforgetthe password,clearCMOSandsetitagain.RefertoBIOSdescrip-
tion onpage44 fordetailedinformation.
Installation Instruction
24
Disable:
Enable:
JP2
JP2
3
2
1
Normalstatus:
ClearCMOS:
123
123
JCC
JCC
(UnplugtheACpowersupply)
3
2
1

ManualforP6I440BX/B1S
Note:1.Ifwanting tousethisfunction,5VSBlineofthepowersupplyshouldbe
capableofdelivering enoughcurrent(eg.200mA)forall thedevices con
nectedtothekeyboardport,oryoucan’tpowerup thesystemusingthe
keyboard.
2.Ifyou setJP2withpin2&pin3closed,set“POWERONFunction”to
BUTTONONLY,don’tsetittoPassword,orthiswill preventyou from
poweringupyoursystem.
3.Ifyouencounterproblemsabove,clearCMOSand setthejumperand
BIOSoptionproperlyagain.
chapter2
25
MemoryConfiguration
Thismotherboardprovidesthree 168pin3.3Vun-bufferedDIMM socketstosupporta
flexiblememorysizerangingfrom8MB/384MBforSDRAMorfrom8MB/768MBforEDO
memory.Both66MHz/100MHzSDRAMwithSPDand66MHzEDODIMMsaresupported.
Thefollowingsetofrulesallowsforoptimumconfigurations.
Rulesforpopulating a440BXmemoryarray:
Processorswith100MHzfront-sidebusshouldbepairedonlywith100MHzSDRAM.
Processorswith66MHzfront-sidebuscanbepairedwitheither66MHzor100MHz
SDRAM.
Using theserialpresencedetect(SPD)datastructure,programmed intoan E2PROMon
theDIMM,theBIOScandeterminetheSDRAM’ssizeandspeed.
TheDRAMTiming register,whichprovidestheDRAMspeedgradecontrolforthe entire
memoryarray,mustbe programmedtousethetimingoftheslowestDRAMsinstalled.
PossibleSDRAMDIMMmemorysizesare8MB,16MB,32MB,64MB,128MBineachDIMM
socket.
PossibleEDODIMMmemorysizesare8MB,16MB,32MB,64MB,128MB,256MBineach
DIMMsocket.

ManualforP6I440BX/B1S
26
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ManualforP6I440BX/B1S
Chapter3
SecurityEasy
Chapter3
SecurityEasy
Therearetwoways topreventunauthorized entryoruseofthesystem:
SystemPasswordandSecurityEasy.
SystemPassword
Setsystempasswordinthe”PASSWORDSETTING”sectionoftheBIOS,andsetthe
“PasswordSetting”toSysteminthe“BIOSFEATURESSETUP”section.Youwillbeprompted
forthepasswordeverytimethesystembootsoranytimeyoutrytoenterBIOSSetup.Ifthe
“PasswordSetting”issetasSetup,you willbe promptedforthepasswordonlywhen
entering BIOSSetup.
SecurityEasy
TheP6I440BX/B1SprovidesadditionalSecurityEasyfunctiontoprotectthesystemfrom
unauthorized entryoruse.Therearetwoways toenterthelock status.
Pushoncethebuttonconnectedtothetwo-pinheaderSLEEPafterenabling thelock
function inBIOSSetup.Ifthelockfunction isdisabled,thisbuttonisusedasSLEEP
button.
‘KeyboardInactiveTimer’iscountedtothepresetvalue-from1minuteto1hoursetin
theBIOSSetup.
Inthelock status,thepowerswitchandresetbuttonsareunresponsive,PS/2mouseis
locked,and thekeyboardislockedexceptforthe SecurityEasy passwordentering.You
canpresettheVideoasblankinthelockstatus.Theonlywaytoexitthelockstatusisto
enterSecurityEasypasswordusingthekeyboard.Thismeansifyousetthelockfunction
asenabled,youmustalsosettheSecurityEasypassword.
Pleasereadthenotesbelowthoroughly.
Note1:Thegreenfunction andthe lock functioncannotbeenabledatthe sametime.
Note2:Iflockfunctionisenabled,theSecurityEasypasswordshouldbeset,nomore
thansixcharacters.
Note3:WhenenteringtheSecurityEasypasswordtoexitthelockstatus,usethe
<Enter>keylocatedonthe alphabeticpadandnotthe<Enter>keylocated onthe
numericpad.
Note4:IfthereisnoSLEEP button onyourcase,yoursystemstillcanenterlock status
throughourlockapplication.RefertoAppendixA(item4)fordetails.
Note5:Seealsochapter4‘BIOSDescription’.
chapter3
27

ManualforP6I440BX/B1S
28
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