MSI K9NGM4 Series User manual

FCC-BRadioFrequencyInterference Statement
Thisequipmenthasbeentestedand foundtocomplywiththelimitsforaclass Bdigital
device, pursuant topart15 of theFCCrules.Theselimitsaredesigned toprovide
reasonableprotectionagainstharmfulinterferencein aresidential installation.This
equipment generates,usesandcan radiateradiofrequencyenergyand,ifnotinstalled and
usedinaccordancewiththeinstructionmanual,maycauseharmful interferencetoradio
communications. However,thereisnoguarantee thatinterferencewilloccurinaparticular
installation.Ifthisequipmentdoescauseharmful interferencetoradioortelevision
reception, whichcan bedetermined byturningtheequipment off andon,theuseris
encouraged totrytocorrect theinterferencebyoneormoreofthemeasureslisted below.
nReorientorrelocatethereceivingantenna.
nIncreasetheseparation between theequipmentandreceiver.
nConnecttheequipment intoan outleton acircuitdifferent fromthattowhichthe
receiverisconnected.
nConsultthedealeroran experienced radio/televisiontechnician forhelp.
Notice 1
The changesormodificationsnotexpresslyapproved bythepartyresponsiblefor
compliancecouldvoidtheuser sauthoritytooperatetheequipment.
Notice 2
Shielded interfacecablesandA.C. powercord,if any,mustbeused inordertocomplywith
theemission limits.
VOIRLANOTICED NSTALLATIONAVANT DERACCORDERAU RESEAU.
Micro-StarInternational
MS-7506
G52-75061X1
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CopyrightNotice
The material inthisdocumentistheintellectualpropertyofMICRO-STARINTERNATIONAL.
Wetakeeverycarein thepreparation ofthisdocument,butnoguarantee isgiven astothe
correctness ofitscontents. Ourproductsareundercontinualimprovementandwereserve
therighttomakechangeswithoutnotice.
Trademarks
All trademarksarethepropertiesoftheirrespectiveowners.
AMD®,Athlon™Athlon™XP,Thoroughbred™andDuron™areregistered trademarksof
AMD®Corporation.
Intel®and Pentium®areregistered trademarksofIntel Corporation.
PS/2andOS®/2areregistered trademarksofInternational Business MachinesCorporation.
Microsoft®isaregistered trademarkofMicrosoftCorporation.Windows®98/2000/NT/XPare
registered trademarksof Microsoft Corporation.
NVIDIA®, theNVIDIAlogo, DualNet, and nForceareregistered trademarksortrademarksof
NVIDIA®Corporation in theUnitedStatesand/orothercountries.
Netware®isaregistered trademarkofNovell, Inc.
Award®isaregistered trademarkof PhoenixTechnologiesLtd.
AMI®isaregistered trademarkofAmerican MegatrendsInc.
Kensington andMicroSaverareregisteredtrademarksoftheKensingtonTechnology
Group.
PCMCIAandCardBusareregisteredtrademarksofthePersonal ComputerMemoryCard
InternationalAssociation.
RevisionHistory
RevisionRevision HistoryDate
V1.0First releaseOctober2007
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SafetyInstructions
nAlwaysreadthesafetyinstructionscarefully.
nKeep thisUserManual forfuturereference.
nKeep thisequipmentawayfromhumidity.
nLaythisequipmenton areliableflatsurfacebeforesetting itup.
nThe openingsontheenclosureareforairconvection henceprotectstheequipment
fromoverheating.Donot covertheopenings.
nMakesurethevoltageofthepowersourceandadjust properly110/220Vbefore
connecting theequipment tothepowerinlet.
nPlacethepowercordsuchawaythatpeoplecannot step onit. Donotplace
anythingoverthepowercord.
nAlwaysUnplugthePowerCordbeforeinsertinganyadd-oncardormodule.
nAll cautionsandwarningsontheequipment should benoted.
nNeverpouranyliquidintotheopeningthatcould damageorcauseelectrical shock.
nIfanyofthefollowing situationsarises, gettheequipment checked byaservice
personnel:
-Thepowercordorplugisdamaged.
-Liquidhaspenetrated intotheequipment.
-Theequipmenthasbeenexposed tomoisture.
-Theequipmentdoesnotworkwelloryoucannotget it workaccordingtoUser
Manual.
-Theequipmenthasdropped anddamaged.
-Theequipmenthasobvioussignofbreakage.
nDonotleavethisequipmentinan environmentunconditioned,storagetemperature
above60°C(140°F), itmaydamagetheequipment.
CAUTION:Dangerofexplosion ifbatteryisincorrectlyreplaced.Replace onlywith
thesameorequivalenttyperecommendedbythemanufacturer.
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INTRODUCTION
ThankyouforchoosingtheK9NGM4Series(MS-7506V1.X)Micro-ATXmainboard.The
K9NGM4Seriesisdesignbased on NVIDIA MCP68S/MCP68PVNT singlechipsetfor
optimalsystemefficiency. Designed tofit theadvancedAMD SocketAM2AthlonTM 64,
AthlonTM 64X2andSempronTM processorat 1000MHzSystemBusFrequencies, the
K9NGM4Seriesdeliverahighperformanceandprofessionaldesktopplatformsolution.
Layout
I
D
E
1
A
T
X
1
JAUD1
JCD1
JPW1
PCI_E1
CPUFAN1
PCI_E2
PCI2
PCI1
ALC888
RTL8211BL
RTL8201CL
(Optional)
JMicron
JMB381
SATA1
SATA3SATA4
SATA2
JUSB2
JUSB1
JTPM1
JFP1
JFP2
SYSFAN1
DIMM2
DIMM1
J1394_1(Optional)
Top: Mouse
Bottom:Keyboard
Top:
ParallelPort
COMPort
VGAPort
Bottom:
Top: LANJack
Bottom:USBPorts
Top: 1394 Port(Optional)
Bottom:USBPorts
T:
M:
B:
Line-In
Line-Out
Mic
T: RS-Out
M: CS-Out
B:SS-Out
BATT
+
FDD1
Nvidia
MCP68S
MCP68PVNT
(Optional)
JBAT1
J
C
I
1
SPDOUT1
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SPECIFICATIONS
ProcessorSupport
lAMD AthlonTM 64,AthlonTM 64X2andSempronTM processorsinsocketAM2package
(Forthelatest information aboutCPU,pleasevisit:
http://global.msi.com.tw/index.php?func=cpuform)
SupportedFSB
l1000 MHz
Chipset
lNVIDIA MCP68S/ MCP68PVNT singlechipset (Optional)
MemorySupport
lDDR2533/667/800SDRAM(4GBMax)
l2DDR2DIMMs(240pin/ 1.8V)
(Formoreinformationon compatiblecomponents,pleasevisit
http://global.msi.com.tw/index.php?func=testreport)
LAN
lSupportsLAN10/100/1000Fast EthernetbyRealtek RTL8211BLandRTL8201CL
(Optional)
1394 (Optional)
lChipintegrated byJMicron JMB381
lTransferrateisup to400Mbps
Audio
lChipintegrated byRealtek ALC888
lFlexible8-channelaudiowithjack sensing
lCompliantwithAzalia1.0spec
IDE
l1IDEportbyNVIDIA MCP68S/ MCP68PVNT
lSupportsUltraDMA66/100/133 mode
lSupportsPIO, BusMasteroperation mode
SATA
l4SATAII portsbyNVIDIA MCP68S/MCP68PVNT
lSupportsfourSATAdevices
lSupportsstorageand datatransfersatup to300 MB/s
RAID
lSupportsRAID0/1/0+1/5orJBODmodebyNVIDIA MCP68S/MCP68PVNT
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Floppy
l1floppyport
lSupports1FDDwith360KB, 720KB,1.2MB,1.44MBand2.88MB
Connectors
lBackpanel
-1PS/2mouseport
-1PS/2keyboardport
-1parallel port
-1COMport
-1VGAport
-11394port (Optional)
-1LANjack
-4USB2.0ports
-6flexibleaudiojacks
lOn-BoardPinheaders
-2USB2.0pinheaders
-11394pinheader(Optional)
-1audiopinheader
-1CD-Inconnector
-1S/PDIF-Out connector
-1chassisintrusion switchpinheader
-1TPMmoduleconnector
Slots
l1PCIExpress x16slot
l1PCIExpress x1slot
l2PCIslots
Form Factor
lMicro-ATX(24.4cmX20.5cm)
Mounting
l6mountingholes
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REARPANEL
The rearpanelprovidesthefollowing connectors:
Mouse
ParallelPort
LAN Jack
1394 Port
(Optional) Line-In
Line-Out
Mic
Keyboard
VGAPort
COMPort
USBPorts
RS-Out
CS-Out
SS-Out
HARDWARESETUP
ThischaptertellsyouhowtoinstalltheCPU, CPUcoolersetandmemorymodules,aswell
ashowtosetupthejumperson themainboard. Italsoprovidestheinstructionson
connecting theperipheraldevices. While doing theinstallation,becarefulinholdingthe
componentsandfollowtheinstallationprocedures.
CPUInstallationProcedures forSocketAM2
1.Pleaseturnoffthepowerandunplug thepower
cordbeforeinstalling theCPU.
2.Pulltheleversidewaysawayfromthesocket.
Makesuretoraisetheleveruptoa90-degree
angle.
3.LookforthegoldarrowoftheCPU.Thegold
arrowshouldpoint asshowninthepicture.The
CPUcanonlyfitin thecorrectorientation.
4.IftheCPUiscorrectlyinstalled, thepinsshould
becompletelyembeddedintothesocketand
can notbeseen.Pleasenotethatanyviolation
ofthecorrect installation proceduresmaycause
permanentdamagestoyourmainboard.
5.Press theCPUdownfirmlyintothesocket and
closethelever.AstheCPUislikelytomove
whiletheleverisbeing closed,alwaysclosethe
leverwithyourfingerspressingtightlyon top of
theCPUtomakesuretheCPUisproperlyand
completelyembedded intothesocket.
Openthelever
90degree
Sliding
theplate
Goldarrow
CorrectCPU
placement
O
Press down
theCPU
Close
thelever
Important:
Overheatingwill seriouslydamagetheCPUandsystem.Alwaysmakesurethecoolerset
can workproperlytoprotecttheCPUfromoverheating.
Makesurethat youapplyan even layerof heat sinkpaste(orthermaltape)betweenthe
CPUand theheatsinktoenhanceheatdissipation.
While replacingtheCPU, alwaysturnofftheATXpowersupplyorunplugthepowersupply
powercordfromthegroundedoutletfirst toensurethesafetyofCPU.
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InstallingAMDSocketAM2CPUCoolerSet
Whenyou areinstallingtheCPU,makesuretheCPUhasaheatsinkandacooling fan
attached on thetop topreventoverheating. If you donothavetheheat sinkandcooling fan,
contactyourdealertopurchaseandinstallthembeforeturningon thecomputer.
Important:
Mainboardphotosshowninthissection arefordemonstration ofthecoolerinstallation for
SocketAM2CPUonly.Theappearanceof yourmainboardmayvarydependingon the
model youpurchase.
1.Positionthecoolingsetontotheretention
mechanism. Hookoneendofthecliptohook
first.
2.Then press downtheotherendoftheclipto
fasten thecoolingsetonthetop of theretention
mechanism. LocatetheFixLeverandlift up it.
3.Fasten downthelever.
4.AttachtheCPUFan cabletotheCPUfan
connectoron themainboard.
Important:
While disconnectingtheSafetyHookfromthefixed bolt, itisnecessarytokeepan eyeon
yourfingers,becauseoncetheSafetyHookisdisconnected fromthefixed bolt, thefixed
leverwillspringback instantly.
InstallingMemoryModules
1.The memorymodulehasonlyonenotchon thecenterandwillonlyfit intheright
orientation.
2.InsertthememorymoduleverticallyintotheDIMMslot.Then pushitinuntil the
golden fingeron thememorymoduleisdeeplyinsertedintheDIMMslot.You can
barelysee thegolden fingerifthememorymoduleisproperlyinserted intheDIMM
slot.
3.The plasticclipat eachsideoftheDIMMslot willautomaticallyclose.
Volt
Notch
Important:
DDR2memorymodulesarenot interchangeablewithDDR andtheDDR2standardisnot
backwardscompatible. Youshouldalwaysinstall DDR2memorymodulesintheDDR2
DIMMslots.
InDual-Channel mode,makesurethat youinstallmemorymodulesofthesametypeand
densityindifferent channel DIMMslots.
Toenablesuccessful systemboot-up,alwaysinsert thememorymodulesintotheDIMM1
first.
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ATX24-PinPowerConnector:ATX1
Thisconnectorallowsyoutoconnect an ATX24-pinpower
supply.Toconnect theATX24-pin powersupply,makesurethe
plugof thepowersupplyisinsertedintheproperorientationand
thepinsarealigned.Then pushdownthepowersupplyfirmlyinto
theconnector.Youmayusethe20-pinATXpowersupplyasyou
like.If you liketousethe20-pinATXpowersupply,pleaseplug
yourpowersupplyalongwithpin1&pin13.
GND
GND
GND
PS-ON#
GND
+3.3V
-12V
+3.3V
+3.3V
+3.3V
+5V
+5V
+5V
+5V
+5V
Res
PWROK
GND
GND
GND
GND
5VSB
+12V
+12V
ATX12VPowerConnector:JPW1
This12Vpowerconnectorisused toprovidepowertotheCPU.
GND
GND
+12V
+12V
Important:
Makesurethat all theconnectorsareconnectedtoproperATXpowersuppliestoensure
stableoperation ofthemainboard.
Powersupplyof 350watts(andabove)ishighlyrecommended forsystemstability.
ATX12Vpowerconnectionshouldbegreaterthan 18A.
FloppyDisk DriveConnector:FDD1
Thisconnectorsupports360KB,720KB,1.2MB,1.44MBor
2.88MBfloppydiskdrive.
IDEConnector:IDE1
ThisconnectorsupportsIDEharddiskdrives,optical diskdrives
andotherIDEdevices.
Important:
IfyouinstalltwoIDEdeviceson thesamecable,youmust configurethedrives
separatelytomaster/ slavemodebysettingjumpers. RefertoIDEdevice’s
documentation supplied bythevendorsforjumpersetting instructions.
SerialATAConnector:SATA1/ SATA2/
SATA3/ SATA4
Thisconnectorisahigh-speedSerialATAinterfaceport. Each
connectorcanconnecttooneSerial ATAdevice.
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Important:
Pleasedonot foldtheSerial ATAcableinto90-degree angle. Otherwise,dataloss may
occurduringtransmission.
FanPowerConnectors:CPUFAN1,
SYSFAN1
The fan powerconnectorssupport systemcoolingfanwith+12V.
Whenconnectingthewiretotheconnectors,alwaysnotethat the
redwireisthepositiveandshould beconnectedtothe+12V;the
blackwireisGroundandshouldbeconnected toGND.Ifthe
mainboardhasaSystemHardwareMonitorchipset on-board,you
mustuseaspeciallydesigned fanwithspeedsensortotake
advantageoftheCPUfancontrol.
GND
+12V
Sensor
Control
GND
+12V
Sensor
Important:
Pleaserefertotherecommended CPUfansat processor’sofficial websiteorconsultthe
vendorsforproperCPUcoolingfan.
ChassisIntrusionConnector:JCI1
Thisconnectorconnectstothechassisintrusion switchcable.If
thechassisisopened, thechassisintrusion mechanismwill be
activated.Thesystemwill recordthisstatusandshowawarning
messageonthescreen.Toclearthewarning,youmust enterthe
BIOSutilityandcleartherecord.
CINTRU
1GND
2
IEEE1394 Connector:J1394_1 (Optional)
ThisconnectorallowsyoutoconnecttheIEEE1394deviceviaan
optional IEEE1394 bracket.
GND(10)
(2)TPA-
GND
TPB-
Cable power
(1)TPA+
GND
TPB+
Cablepower
Key,nopin(9)
S/PDIF-OutConnector:SPDOUT1
ThisconnectorisusedtoconnectS/PDIF (Sony&PhilipsDigital
InterconnectFormat)interfacefordigitalaudiotransmission.
GND
SPDIF
CD-InConnector:JCD1
Thisconnectorisprovided forexternal audioinput.
GND
LR
FrontPanel Connectors:JFP1/JFP2
Theseconnectorsareforelectricalconnection tothefrontpanel
switchesandLEDs.TheJFP1iscompliantwithIntel Front Panel
I/OConnectivityDesign Guide. HDD
LED
Reset
Switch
Power
Switch
Power
LED
1
9
10
2
+
+
+
-
-
-
PowerLED
Speaker
2
8
1
7
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FrontPanelAudioConnector:JAUD1
Thisconnectorallowsyoutoconnectthefront panelaudioandis
compliantwithIntel FrontPanel I/OConnectivityDesignGuide.
(2)GND
VCC5
MIC2_JD
NC
(1)MIC_L
Line-out_R
Line-out_L(9)
Line_JD(10)
(2)GND
MIC_R FronttoSense
FrontUSBConnector:JUSB1/ JUSB2
Thisconnector, compliantwithIntel I/OConnectivityDesign
Guide,isideal forconnectinghigh-speedUSB interface
peripheralssuchasUSB HDD, digitalcameras,MP3players,
printers,modemsandthelike.
(10)N.C.
VCC
(2)
USB1-
USB1+
GND
VCC
(1)
USB0-
USB0+
GND
(9)Key,nopin
Important:
NotethatthepinsofVCC andGND must beconnected correctlytoavoidpossible
damage.
TPMModuleconnector:JTPM1
ThisconnectorconnectstoaTPM(Trusted PlatformModule)
module(optional). PleaserefertotheTPMsecurityplatform
manualformoredetailsandusages.
KEY GND GND
14
3Vdual/3V_ST
B
2
VCC3 SIRQ VCC5
LCLK
1
LRST#
LAD0
LAD1 LAD2 LAD3
L
FRAME#
13
ClearCMOSJumper:JBAT1
ThereisaCMOSRAMonboardthathasapowersupplyfroman
external batterytokeep thedataofsystemconfiguration. Withthe
CMOSRAM, thesystemcan automaticallyboot OSeverytimeit
isturned on.If you want toclearthesystemconfiguration, set the
jumpertocleardata.
KeepData
ClearData
2
2
2
3
3
3
1
1
1
Important:
YoucanclearCMOSbyshorting2-3pinwhilethesystemisoff.Thenreturnto1-2pin
position.Avoid clearingtheCMOSwhilethesystemison; itwill damagethemainboard.
PCI(Peripheral ComponentInterconnect) Express Slot
The PCIExpress slot supportsthePCIExpress interfaceexpansioncard.
The PCIExpress x16slot supportsupto4.0GB/stransferrate.
The PCIExpress x1slotsupportsupto250MB/stransferrate.
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PCI(Peripheral ComponentInterconnect) Slot
The PCIslotsupportsLANcard,SCSIcard, USBcard,andotheradd-on cardsthat
complywithPCI specifications.
Important:
Whenaddingorremovingexpansion cards,makesurethatyouunplug thepowersupply
first. Meanwhile, readthedocumentation fortheexpansion cardtoconfigureany
necessaryhardwareorsoftwaresettingsfortheexpansioncard, suchasjumpers,
switchesorBIOSconfiguration.
PCIInterruptRequestRouting
The IRQ,acronymofinterrupt requestlineandpronounced I-R-Q,arehardwarelines
overwhichdevicescan send interrupt signalstothemicroprocessor. The PCIIRQpins
aretypicallyconnected tothePCIbuspinsasfollows:
Order1 Order2 Order3 Order4
PCI Slot1 INT Y# INT Z# INTW# INTX#
PCI Slot2 INTX# INT Y# INT Z# INTW#
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BIOSSetup
PoweronthecomputerandthesystemwillstartPOST(PowerOnSelfTest)process.When
themessagebelowappearson thescreen,press <DEL> keytoenterSetup.
PressDELtoenterSETUP
Ifthemessagedisappearsbeforeyourespondand you stillwishtoenterSetup, restartthe
systembyturning it OFF andOnorpressingtheRESETbutton.You mayalsorestart the
systembysimultaneouslypressing<Ctrl>, <Alt>,and<Delete>keys.
MainPage
Standard CMOSFeatures
Usethismenuforbasicsystemconfigurations, suchastime, dateetc.
Advanced BIOSFeatures
UsethismenutosetuptheitemsofAMI specialenhanced features.
IntegratedPeripherals
Usethismenutospecifyyoursettingsforintegrated peripherals.
PowerManagementSetup
Usethismenutospecifyyoursettingsforpowermanagement.
PnP/PCI Configurations
Thisentryappearsif yoursystemsupportsPnP/PCI.
H/W Monitor
Thisentryshowsthestatusof yourCPU,fan,warning foroverallsystemstatus.
Cell Menu
UsethismenutospecifyyoursettingsforCPU/AGPfrequency/voltagecontrol and
overclocking.
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Load Fail-SafeDefaults
Usethismenutoloadthedefault valuesset bytheBIOSvendorforstablesystem
performance.
LoadOptimizedDefaults
Usethismenutoloadfactorydefault settingsintotheBIOSforstablesystemperformance
operations.
BIOSSettingPassword
Usethismenutoset BIOSsetting Password.
Save&ExitSetup
SavechangestoCMOSandexit setup.
ExitWithoutSaving
Abandonall changesand exitsetup.
Cell Menu
CurrentCPUFrequency
It showsthecurrent frequencyofCPU.Read-only.
CurrentDRAMFrequency
It showsthecurrent frequencyof Memory. Read-only.
AMDCool nQuiet
ThisfeatureisespeciallydesignedforAMDprocessor,whichprovidesaCPUtemperature
detectingfunctiontopreventyourCPUfromoverheatingduetotheheavy workingloading.
AdjustCPUFSBFrequency
Thisitemallowsyou tomanuallyadjust theCPUFSB frequencybypressing<+> to
increasewhilepressing<->todecreasefrequency.
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ProcessorFrequencyMultiplier
It showstheprocessorfrequencymultiplication.Read-only.
AdvanceDRAMConfiguration>MCTTiming Mode
Thisfield hasthecapacitytoautomaticallydetectalloftheDRAMtiming. If you set thisfield
to[Manual], you can selecttheDRAMtimingmanually.
AdvanceDRAMConfiguration>1T/2TMemoryTiming
ThissettingcontrolstheSDRAMcommand rate.Thedefaultvalueis2T (T=clock cycles).
2T ismorestablethan 1T,but1T isfasterthan 2T.
AdjustDDR2MemoryFrequency
Thisitemallowsyou toselectthememoryfrequencyprogrammingmethod. IfselectAuto,
thememoryspeed will bebased on SPDs. Ifselect Limit, thememoryspeed willnotexceed
thespecified value.IfselectManual,thememoryspecifiedwillbeprogrammed regardless
ofSPD.
AdjustPCIEFrequency
Thisitemallowsyou toselectthePCI Express frequency(inMHz). Selectthenumber
between[100]~[150] forneededfrequency.
AutoDisablePCI Clock
Thisitemisused toautodisablethePCI slots. Whensetto[Enabled], thesystemwill
remove(turnoff)clocksfromemptyPCIslotstominimizetheelectromagneticinterference
(EMI).
CPUVoltage
Thissettingisusedtoadjust theCPUcorevoltage(Vcore)and offersusersatoolto
overclockthesystem.
MemoryVoltage
Adjusting theDDR voltagecanincreasetheDDR speed.Anychangesmadetothissetting
maycauseastabilityissue, sochanging theDDRvoltageforlong-termpurposeisNOT
recommended.
SpreadSpectrumConfiguration
Whenthemotherboard’sclockgeneratorpulses,theextremevalues(spikes)ofthepulses
createsEMI (ElectromagneticInterference).TheSpreadSpectrumfunction reducestheEMI
generated bymodulatingthepulsessothatthespikesofthepulsesarereducedtoflatter
curves.Ifyoudonot haveanyEMIproblem,leavethesettingatDisabled foroptimalsystem
stabilityandperformance.Butif youareplagued byEMI, set toEnabled forEMI reduction.
RemembertodisableSpreadSpectrumif you areoverclockingbecauseevenaslight jitter
can introduceatemporaryboostin clock speedwhichmayjust causeyouroverclocked
processortolockup.
Important:
IfyoudonothaveanyEMIproblem,leavethesettingat[Disabled] foroptimal system
stabilityandperformance.Butif youareplagued byEMI, selectthevalueof Spread
SpectrumforEMI reduction.
The greatertheSpreadSpectrumvalueis, thegreatertheEMIisreduced,andthesystem
willbecomeless stable. Forthemost suitableSpreadSpectrumvalue,pleaseconsultyour
local EMI regulation.
RemembertodisableSpreadSpectrumif you areoverclockingbecauseevenaslight jitter
can introduceatemporaryboostin clock speedwhichmayjust causeyouroverclocked
processortolockup.
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LoadOptimizedDefaults
Youcanloadthedefault valuesprovided bythemainboardmanufacturerforthestable
performance.
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