MSI MS-7646M1 User manual

i
MS-7646M1(V1.X)Mainboard
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

ii
CopyrightNotice
The material inthisdocumentistheintellectualpropertyof thecompany.Wetake
everycareinthe preparationofthisdocument,butnoguarantee isgivenastothe
correctnessofitscontents.Ourproductsareundercontinualimprovementandwe
reservetherighttomakechangeswithoutnotice.
Trademarks
All trademarks aretheproperties oftheirrespectiveowners.
Intel andPentium areregisteredtrademarksofIntelCorporation.
AMD,Athlon™,Athlon™XP,Thoroughbred™,andDuron™areregistered trade-
marksofAMDCorporation.
NVIDIA, theNVIDIAlogo,DualNet,and nForceareregisteredtrademarksortrade-
marksof NVIDIACorporationin theUnitedStatesand/orothercountries.
PS/2and OS /2areregisteredtrademarks ofInternationalBusiness Machines
Corporation.
Windows 95/98/2000/NT/XPareregisteredtrademarksofMicrosoftCorporation.
Netware isaregisteredtrademarkofNovell,Inc.
Award isaregisteredtrademarkofPhoenixTechnologiesLtd.
AMI isaregistered trademarkofAmerican MegatrendsInc.
RevisionHistory
Revision RevisionHistory Date
V1.0 FirstRelease February2010
TechnicalSupport
Ifaproblemariseswithyoursystemandnosolutioncanbeobtainedfromtheuser’s
manual,pleasecontactyourplaceofpurchaseorlocal distributor.Alternatively,
pleasetrythefollowinghelp resourcesforfurtherguidance.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

iii
SafetyInstructions
1. Alwaysread thesafetyinstructionscarefully.
2. KeepthisUser’sManualforfuturereference.
3. Keepthisequipmentawayfromhumidity.
4. Laythisequipmentonareliableflatsurfacebeforesetting itup.
5. Theopeningsontheenclosureareforairconvectionhenceprotectstheequip
mentfromoverheating.DONOTCOVERTHEOPENINGS.
6. Makesurethevoltageofthe powersourceandadjustproperly110/220Vbe
foreconnectingtheequipmenttothepowerinlet.
7. Placethepowercordsuchawaythatpeoplecannotstepon it. Donotplace
anythingoverthepowercord.
8. AlwaysUnplugthe PowerCordbeforeinsertinganyadd-on cardormodule.
9. All cautionsand warningsontheequipmentshouldbenoted.
10. Neverpouranyliquid intotheopeningthatcould damageorcauseelectrical
shock.
11. If anyofthefollowingsituationsarises,gettheequipmentcheckedbyservice
personnel:
The powercordorplug isdamaged.
Liquid haspenetratedintotheequipment.
Theequipmenthasbeenexposedtomoisture.
Theequipmentdoesnotworkwell oryou cannotgetit workaccordingto
User’sManual.
Theequipmenthasdroppedand damaged.
Theequipmenthasobvioussign of breakage.
12. DONOTLEAVETHISEQUIPMENTINANENVIRONMENTUNCONDITIONED,STOR
AGETEMPERATUREABOVE 600 C(1400F),IT MAY DAMAGETHEEQUIPMENT.
CAUTION: Dangerofexplosion ifbatteryisincorrectlyreplaced.
Replaceonlywiththesameorequivalenttyperecommendedbythe
manufacturer.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

iv
FCC-BRadio Frequency Interference Statement
Thisequipmenthasbeen
tested and found tocomply
withthelimitsforaClassB
digitaldevice,pursuanttoPart
15oftheFCCRules.Theselimitsaredesigned toprovidereasonableprotection
againstharmful interferenceinaresidentialinstallation.Thisequipmentgenerates,
usesand canradiateradiofrequencyenergyand,if notinstalledand usedin accor-
dancewiththeinstructions,maycauseharmful interferencetoradiocommunications.
However,thereisno guarantee thatinterferencewill notoccurin aparticular
installation.Ifthisequipmentdoescauseharmful interferencetoradioortelevision
reception,whichcanbedeterminedbyturning theequipmentoff and on,the useris
encouragedtotrytocorrecttheinterferencebyoneormoreof themeasureslisted
below. Reorientorrelocatethereceivingantenna.
Increasetheseparationbetweentheequipmentand receiver.
Connecttheequipment intoanoutletonacircuitdifferentfromthat towhich
thereceiverisconnected.
Consultthedealeroranexperiencedradio/televisiontechnicianforhelp.
Notice1
Thechangesormodificationsnotexpresslyapprovedbythepartyresponsiblefor
compliancecould void theuser’sauthoritytooperatetheequipment.
Notice2
Shielded interfacecablesandA.C.powercord,if any,mustbeusedin orderto
complywiththeemissionlimits.
VOIRLANOTICED’INSTALLATIONAVANTDERACCORDERAURESEAU.
MS-7646M1
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe
followingtwoconditions:
(1)thisdevicemaynotcauseharmful interference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethat
maycauseundesiredoperation.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

v
CONTENTS
CopyrightNotice..........................................................................................................ii
Trademarks..................................................................................................................ii
RevisionHistory..........................................................................................................ii
TechnicalSupport.......................................................................................................ii
SafetyInstructions....................................................................................................iii
FCC-BRadioFrequencyInterferenceStatement.............................................iv
Chapter1GettingStarted.....................................................................................1-1
MainboardSpecifications.......................................................................1-2
Chapter2HardwareSetup...................................................................................2-1
MainboardLayout...................................................................................2-2
CPU(CentralProcessingUnit)...............................................................2-3
Memory....................................................................................................2-6
PowerSupply..........................................................................................2-8
BackPanel...............................................................................................2-9
Connector...............................................................................................2-11
Jumper...................................................................................................2-16
Slot.........................................................................................................2-17
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

1-1
Getting Started
Getting Started
Thankyou forchoosing the MS-7646M1(V1.X)Micro-
ATXmainboard.TheMS-7646M1(V1.X)isbasedon
AMD RX780 &SB710 chipsetsforoptimal system
efficiency.DesignedtofittheadvancedAMD Phenom/
Athlon 64/SempronprocessorsinSocketAM3,the
MS-7646M1(V1.X) deliversahighperformanceand
professionaldesktopplatformsolution.
Chapter1
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

MS-7646M1Mainboard
1-2
MainboardSpecifications
Processor
-Supports95WAMD Phenom/ Athlon64/Sempronprocessors
-Supports4-pin CPUfan pinheaderwithFanSpeedControl
FSB
-HyperTransportsupportsup to3.0GHz
Chipset
-NorthBridge:AMD RX780
-SouthBridge:AMD SB710
Memory
-DDR3533/667/800/1066/1333SDRAM(240 pins/ 1.5V)
-4DDR3DIMMslots(8GBMax)
LAN
-GigabitFastEthernet byRealtek RTL8111DL
IEEE1394
-ChipintegratedbyJMicron JMB381
-Transferrateisup to400Mb/s
Audio
-ChipintegratedbyRealtek ALC888S
-Flexible8-channelaudiowithjacksensing
-CompliantwithAzalia1.0Spec
SATA
-6SATAIIportsbyAMD SB710
-Supports6SATAdevices
-Supportsstorageanddatatransfersup to3Gb/s
RAID
-SATA1~6supportRAID0/ 1/0+1orJBODmode byAMD SB710
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

1-3
Getting Started
Connectors
BackPanel
-1PS/2mouseport
-1PS/2keyboardport
-1LANjack
-4USB ports
-5audiojacks
-1optical S/PDIF-outjack
-1IEEE1394port(Optional)
On-BoardPinheader/Connector
-3USB pinheaders
-1CD-in connector
-1IEEE1394pinheader(Optional)
-1frontpanelaudiopinheader
-1S/PDIF-out pinheader(forHDMIAudio)
Slots
-1PCIexpress x16 slot
-2PCI express x1slot
-1PCIslot supports3.3V/ 5VPCIbusinterface
FormFactor
-Micro-ATX(24.4cmX24.4cm)
Mounting
-8mounting holes
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-1
HardwareSetup
HardwareSetup
Chapter2
Thischapterprovidesyouwiththeinformation about
hardwaresetupprocedures.While doingthe installation,
becarefulinholding thecomponentsandfollowthe
installationprocedures.Forsomecomponents,if you
installin thewrong orientation,thecomponentswill not
workproperly.Useagroundedwriststrapbeforehan-
dling computercomponents.Staticelectricitymaydam-
agethecomponents.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-2
MS-7646M1Mainboard
MainboardLayout
MS-7646M1(V1.X)
Micro-ATXMainboard
B
A
T
T
+
T:MOUSE
B: KEYBOARD
T:IEEE1394 PORT(OPTIONAL)
B:USBPORTS
T:LANJACK
B: USBPORTS
T: LINE-OUT
M:SS-OUT
B: LINE-IN
T:CS-OUT
M:RS-OUT
B:S/PDIF-OUT
ALC888S
JMB381
RTL8111DL
JSPDOUT1
JCD1
J1394_1(OPTIONAL)
JUSB2 JUSB3
JBAT1 JFP1
JUSB1
JSPI1
JSMI1
PWR1
ATXPWR1
DIMM1 DIMM3 DIMM2 DIMM4
CPUFAN1
PCI1
PCIE1_X1
PCIE1_X2
PCIE16_X1
JAUD1
SATA1 SATA2 SATA3
AMDRX780
AMDSB710
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-3
HardwareSetup
Themainboardsupports95WAMD Phenom/Athlon 64/Sempronprocessorsin
SocketAM3. TheSocket AM3offerseasyCPUinstallation.When youareinstalling
the CPU,makesuretheCPUhasaheat sinkand acoolingfanattachedonthe topto
prevent overheating.If you do nothavetheheat sinkandcooling fan,contactyour
dealertopurchaseand install thembeforeturning onthecomputer.
CPU(CentralProcessingUnit)
Important
Overheating
Overheating will seriouslydamagethe CPUand system.Always make
surethecooling fancan workproperlytoprotecttheCPUfrom
overheating.Makesurethatyou applyan evenlayerofthermalpaste
(orthermaltape)betweenthe CPUandtheheatsinktoenhanceheat
dissipation.
Replacing theCPU
While replacingthe CPU, always turnoffthe powersupplyorunplugthe
powersupply spowercordfromthe grounded outletfirsttoensurethe
safetyofCPU.
Overclocking
Thismainboardisdesignedtosupportoverclocking.However,please
makesureyourcomponentsareable totoleratesuchabnormalsetting,
whiledoingoverclocking. Anyattempttooperatebeyondproductspeci-
ficationsisnotrecommended.Wedo notguaranteethedamagesor
risks caused byinadequateoperation orbeyond product specifications.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-4
MS-7646M1Mainboard
CPUInstallation Procedures forSocketAM3
1.Pleaseturnoffthepowerandunplug
thepowercordbeforeinstalling the
CPU.
2.Pullthe leversidewaysawayfrom
the socket.Makesurethat youraise
the leverup toa90-degree angle.
3.Lookforthegold arrowonthe CPU.
The gold arrowshouldpointas
shownin thepicture.TheCPUcan
onlyfitin thecorrectorientation.
LowertheCPUdownontothe
socket.
4.If theCPUiscorrectlyinstalled,the
pinsshouldbe completelyembedded
intothe socketandcan notbe seen.
Pleasenotethatanyviolationof the
correctinstallationproceduresmay
causepermanentdamage toyour
mainboard.
5.Press theCPUdownfirmlyintothe
socketandclosethelever.Asthe
CPUislikelytomovewhilethe lever
isbeing closed,alwaysclosethe
leverwithyourfingerspressing
tightlyontopoftheCPUtomake
suretheCPUisproperlyand com-
pletelyembeddedintothesocket.
Openthelever
90degree
Sliding
theplate
Goldarrow
Goldarrow
Goldarrow
Correct CPU
placement
O
IncorrectCPU
placement
Pressdown
theCPU
Close
thelever
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-5
HardwareSetup
Important
Installing CPUCooler Set
Whenyou areinstallingthe CPU,makesuretheCPUhasaheatsinkandacoolingfan
attached onthe toptopreventoverheating.If you do nothavetheheatsinkand
cooling fan,contactyourdealertopurchaseand installthembeforeturningonthe
computer.
2.Thenpress downtheotherendof
thecliptofasten thecooling seton
the topoftheretention mechanism.
LocatetheFixLeverand liftup it.
1.Positionthecooling setontothe
retentionmechanism.Hookoneend
of theclip tohookfirst.
3.Fastendownthelever. 4.AttachtheCPUFancabletotheCPU
fanconnectoronthemainboard.
Mainboardphotosshowninthissectionarefordemonstrationofthe
CPU/ coolerinstallation only.Theappearanceof yourmainboardmay
varydepending on themodelyou purchase.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-6
MS-7646M1Mainboard
TheseDIMM slotsareintendedformemorymodules.
DIMM1
DIMM2
DIMM3
DIMM4
DIMM1
DIMM2
DIMM3
DIMM4
Empty
Installed
Dual-ChannelMemory Population Rules
InDual-Channelmode,thememorymodulescantransmitand receivedatawithtwo
databuslinessimultaneously.EnablingDual-Channelmodecanenhancethesystem
performance.Pleaserefertothe following illustrationsforpopulationrulesunder
Dual-Channel mode.
Memory
DDR3
240pins,1.5V
64x2=128pins56x2=112pins
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-7
HardwareSetup
Installing Memory Modules
1.Thememorymodulehasonlyonenotchonthecenterand will onlyfitin theright
orientation.
2.Insertthememorymodule verticallyintotheDIMMslot.Thenpushitin until the
goldenfingeronthe memorymoduleisdeeplyinserted inthe DIMMslot.The plastic
clipateachsideoftheDIMM slot will automaticallyclosewhenthememorymodule
isproperlyseated.
3.Manuallycheckifthememorymodulehasbeenlockedin placebytheDIMM slot
clipsatthesides.
Important
You can barelyseethe golden fingerifthe memorymoduleisproperly
insertedinthe DIMM slot.
Important
1.InDual-Channelmode,makesurethatyou install memorymodulesof
the sametype and densityindifferentchannelDIMM slots.
2.Toenablesuccessfulsystemboot-up,alwaysinsertthememorymodules
intothe DIMM1first.
3. Due tothe chipsetresourcedeployment, the systemdensitywill onlybe
detected up to7+GB(not full 8GB)when eachDIMM isinstalled witha
2GBmemorymodule.
Volt Notch
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-8
MS-7646M1Mainboard
PowerSupply
ATX24-PinPower Connector:ATXPWR1
ThisconnectorallowsyoutoconnectanATX24-pinpowersupply.
ToconnecttheATX24-pin powersupply,makesuretheplugofthe
powersupplyisinsertedin theproperorientationand thepinsare
aligned.Then pushdownthe powersupplyfirmlyintotheconnector.
Youmayusethe20-pin ATXpowersupplyasyoulike.If you’dlike
tousethe20-pin ATXpowersupply,pleaseplug yourpowersup-
plyalongwithpin 1&pin13 (refertotheimageattherighthand).
Thereisalsoafoolproofdesign onpin 11,12,23 &24 toavoid wrong installation.
ATX12VPower Connector:PWR1
Thispowerconnectorisusedtoprovide powertotheCPU.
pin12
pin13
Important
1.Makesurethatall the connectorsareconnected toproperpowersup-
pliestoensurestable operation ofthe mainboard.
2.Powersupplyof350watts(andabove)ishighlyrecommended for
systemstability.
ATXPWR1
24
13
1
12 PinDefinition
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWROK
9 5VSB
10 +12V
11 +12V
12 +3.3V
PWR1
PinDefinition
PIN SIGNAL
1GND
2GND
312V
4 12V
34
12
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-9
HardwareSetup
BackPanel
Mouse/Keyboard
ThestandardPS/2 mouse/keyboardDINconnectorisforaPS/2 mouse/keyboard.
IEEE 1394 Port(Optional)
The1394 portonthebackpanelprovidesconnectionto1394devices.
USBPort
TheUSB (UniversalSerial Bus)port isforattachingUSB devicessuchaskeyboard,
mouse,orotherUSB-compatibledevices.
LAN
ThestandardRJ-45 LANjack isforconnection toLocalAreaNetwork(LAN).You
can connectanetworkcabletoit.
Keyboard USB
Mouse Line-Out
SS-Out
Line-In
IEEE1394
(Optional) LAN CS-Out
RS-Out
Optical
S/PDIF-Out
LinkIndicatorActivityIndicator
LED Color LEDState Condition
Off LANlinkisnotestablished.
Left Green On(steadystate) LANlinkisestablished.
On(brighter&pulsing)ThecomputeriscommunicatingwithanothercomputerontheLAN.
Green Off 10Mbit/secdatarateisselected.
Right On 100Mbit/secdatarateisselected.
Orange On 1000Mbit/secdatarateisselected.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com

2-10
MS-7646M1Mainboard
Audio Ports
Theseaudioconnectorsareusedforaudiodevices. Youcandifferentiatethecolor
oftheaudiojacksfordifferentaudiosound effects.
Line-Out(Green)- LineOut, isaconnectorforspeakersorheadphones.
SS-Out(Gray)- Side-Surround Out7.1channelmode.
Line-In (Blue)- LineIn, isusedforexternalCDplayer,tapeplayerorother
audio devices.
CS-Out(Orange)- Center/SubwooferOutin 5.1/ 7.1channelmode.
RS-Out(Black)- Rear-Surround Outin4/5.1/7.1channelmode.
Optical S/PDIF-Out- ThisS/PDIF (Sony&PhilipsDigitalInterconnectFormat)
connectorisprovidedfordigitalaudiotransmissiontoexternalspeakers
through anopticalfibercable.
PDFcreated withpdfFactoryProtrialversion www.pdffactory.com