MSI 915G COMBO-FR - Motherboard - ATX User manual

User sGuide
Midas915
G52-B6275X1

ii
FCC-BRadioFrequencyInterferenceStatement
Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfor
aclassBdigitaldevice,pursuanttopart15oftheFCCrules.Theselimits
aredesignedtoprovidereasonableprotectionagainstharmfulinterfer-
encewhentheequipmentisoperatedinacommercialenvironment.This
equipmentgenerates, usesandcanradiateradiofrequencyenergyand,if
notinstalledandusedinaccordance withtheinstructionmanual, may
causeharmfulinterference toradiocommunications.Operationof this
equipmentinaresidentialarea islikelytocauseharmfulinterference,in
whichcasetheuserwillberequiredtocorrecttheinterferenceathisown
expense.
Notice1
Thechangesormodificationsnotexpresslyapprovedbythepartyre-
sponsibleforcompliance couldvoidtheuser sauthoritytooperatethe
equipment.
Notice2
Shieldedinterface cablesandAC. powercord,ifany,mustbeusedin
ThisdevicecomplieswithPart15oftheFCCRules.Operationis
subjecttothefollowingtwoconditions:
(1)thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,including
interferencethat maycauseundesiredoperation.
Micro-StarInternational
Midas915

iii
CopyrightNotice
Thematerial inthisdocumentistheintellectual propertyof MICRO-
STARINTERNATIONAL.Wetakeeverycareinthepreparationofthis
document,butnoguarantee isgivenastothecorrectness of itscontents.
Our productsareundercontinual improvementandwereservetheright
tomakechangeswithoutnotice.
Trademarks
Alltrademarksarethepropertiesof theirrespectiveowners.
Intel®andPentium®areregisteredtrademarksofIntelCorporation.
PS/2and OS®/2areregisteredtrademarksofInternationalBusinessMa-
chinesCorporation.
Windows®95/98/2000/NT/XPareregisteredtrademarksofMicrosoft
Corporation.
Netware®isaregisteredtrademarkofNovell,Inc.
Award®isaregisteredtrademarkof PhoenixTechnologiesLtd.
AMI®isaregisteredtrademarkofAmericanMegatrendsInc.
RevisionHistory
Revision RevisionHistory Date
V1.0 FirstRelease March2005

iv
SafetyInstructions
1. Alwaysreadthesafetyinstructionscarefully.
2. KeepthisUser sManualforfuturereference.
3. Keep thisequipmentawayfromhumidity.
4. Laythisequipmentonareliableflatsurface beforesetting it up.
5. Theopeningsontheenclosureareforairconvectionhence pro
tectstheequipment fromoverheating. DO NOTCOVERTHE
OPENINGS.
6. Makesurethevoltage ofthepower source and adjust properly
115/230Vbeforeconnectingtheequipment tothe powerinlet.
7. Placethepowercordsuch awaythatpeoplecannot step on it.
Donotplaceanything overthepowercord.
8. AlwaysUnplugthePowerCordbeforeinserting anyadd-on card
ormodule.
9. Allcautionsand warningson the equipmentshouldbenoted.
10. Neverpour anyliquidintothe openingthat coulddamage orcauseelec-
tricalshock.
11. If anyof thefollowing situationsarises, getthe equipmentchecked
byaservice personnel:
-The powercordorplug isdamaged.
-Liquidhas penetratedintotheequipment.
-Theequipment has been exposed tomoisture.
-Theequipment hasnotworkwell oryou cannot getit workaccording
toUser sManual.
-Theequipmenthas droppedand damaged.
-Theequipment has obvioussignofbreakage.
12. Donot leave thisequipment inanunconditionedenvironment with
storagetemperatureabove600 C(1400F).Extremeheatmaydam-
agetheequipment.
CAUTION:Dangerofexplosionifbatteryisincorrectlyreplaced.
Replace onlywiththesameorequivalent type recommended bythe
manufacturer.

v
CONTENTS
Chapter1.GettingStarted........................................................................1-1
1.1SystemSpecifications...................................................1-2
1.2SystemConfiguration...................................................1-4
1.3ThermalSolution..........................................................1-7
Chapter2.IntroducingMainboard..........................................................2-1
2.1MainboardLayout...................................................................2-2
2.2CPU.............................................................................2-3
CPU&CoolerInstallation...........................................2-3
2.3Memory.......................................................................2-7
IntroductiontoDDRSDRAM.............................................2-7
DDRModuleCombination..................................................2-8
InstallingDDRModules......................................................2-8
2.4PowerSupply...............................................................2-9
ATX24-PinPowerConnector:ATX............................2-9
ATX12VPowerConnector:ATX_12V........................2-9
2.5FrontPanel.................................................................2-10
AudioPorts...........................................................................2-10
USBPorts.............................................................................2-10
2.6RearPanel..................................................................2-11
Mouse/KeyboardConnectors.................................2-11
AudioPorts.............................................................2-12
VGA Port.................................................................2-12
RJ-45LANJack........................................................2-13
USBPorts...............................................................2-13
ParallelPort..............................................................2-14
SerialPort................................................................2-15
2.7Connectors.............................................................................2-16
IDEConnector:IDE1...........................................................2-16

vi
FloppyDiskDriveConnector:FDD..................................2-16
SerialATAConnectors:SATA1~SATA4........................2-17
FrontPanelAudioConnector:F_AUDIO........................2-17
FrontPanelConnector:JFP1..............................................2-18
CD-inConnector:CD_IN......................................................2-18
FanPowerConnectors:CPU_FAN/SYS_FAN.................2-19
SerialPortConnector:JCOM2............................................2-19
FrontUSBConnectors:F_USB1/F_USB2........................2-20
2.8Jumper.......................................................................2-21
BIOSFlashJumper:BIOS_WP..................................2-21
ClearCMOS Jumper:CLR_CMOS...................................2-21
2.9Slot............................................................................2-22
PCI(PeripheralComponentInterconnect)Slots.............2-22
PCI InterruptRequestRouting..........................................2-22
PCIExpressSlot..................................................................2-23
Chapter3.SystemAssembly........................................................3-1
3.1Overview......................................................................3-2
InstallationTools.......................................................3-2
Screws.......................................................................3-2
CheckingtheItems.....................................................3-3
3.2InstallationProcedures.................................................3-4
1. RemovingCover,InstallingMemoryModules.........3-4
2.InstallingCPU.........................................................3-5
3.Installing CPUCooler..............................................3-6
4.RemovingDriveCage.............................................3-7
5.InstallingHDD........................................................3-8
6.InstallingFDD andOpticalDrive.............................3-9
7.RestoringChassisCover.......................................3-11
Chapter4.BIOSSetup.................................................................4-1
EnteringSetup..............................................................................4-2

vii
ControlKeys.........................................................................4-2
GettingHelp...........................................................................4-3
TheMainMenu.............................................................................4-4
StandardCMOSFeatures...........................................................4-6
AdvancedBIOSFeatures...........................................................4-8
AdvancedChipsetFeatures.....................................................4-11
IntegratedPeripherals................................................................4-14
PowerManagementSetup........................................................4-19
PNP/PCI Configurations............................................................4-21
H/WMonitor................................................................................4-22
Frequency/VoltageControl.......................................................4-23
LoadFail-Safe/OptimizedDefaults..........................................4-24
SetPassword...............................................................................4-25

GettingStarted 1
CongratulationsforpurchasingMidas915 (MS-6275)
barebone.Midas bareboneisyourbestSlimPCchoice.Basedon
the all-in-one”designidea,Midasprovides6USBports,3PCI
slotsforexpansionand1PCI-Eslot(lowprofile).Withthefantas-
tic appearanceand small formfactor, itcaneasilybesetanywhere.
ThefeaturepackedplatformalsogivesyouanexcitingPC
experience.

Chapter1
1-2
1.1 SystemSpecifications
CPU
†SupportsIntel®Pentium4Prescott/CeleronDTM (LGA775)proces-
sorsinLGA775package
†Supports533MHz,800MHzFSB
†Supports2004PerformanceFMBCPUVRDesign
†Supports3/4pinCPUFanPin-HeaderwithFanSpeedControl
(ForthelatestinformationaboutCPU,pleasevisit http://www.msi.com.
tw/program/products/slim_pc/slm/pro_slm_cpu_support.php)
Chipset
†Intel®915G/915GLChipset
-Supports533/800MHzIntelNetBurstmicro-architecturebus
-SupportsPCIExpressx16interface
-SupportsDDR333/400memoryinterface
-IntegratedIntelGMA900graphic controller
†Intel®ICH6chipset
-HighDefinitionAudiointerface
-4SerialATAHostControllers
-1channel UltraATA100busMasterIDEcontroller
-6USB2.0/1.1ports
-SupportsSMBus2.0
MainMemory
†Supportstwo64-bit wideDDRdatachannels
†Available bandwidthupto3.2GB/s(DDR400)forsingle-channel
modeand 6.4GB/s(DDR400)fordual-channelmode
†Supports256MBor512MBDDRtechnologies
†Supportsonlyx8,x16DDRdeviceswith2-bank
(Fortheupdatedsupportingmemorymodules, pleasevisithttp://www.
msi.com.tw/program/products/mainboard/mbd/pro_mbd_trp_list.php.)
Slots
†OnePCIExpressx16slot(supportsPCI ExpressBusspecification
v1.0acompliant)
†Three 32-bit v2.2MasterPCI busslots(supports3.3v/5vPCI bus
interface)

Getting Started
1-3
On-BoardIDE
†OneIDEcontrollerontheICH6chipsetprovidesIDEHDD/CD-
ROMwithPIO,BusMasterand UltraDMA66/100operationmodes
†Supports4Serial ATAports
On-BoardPeripherals
†On-BoardPeripheralsinclude:
-1floppyportsupports1FDDwith360K,720K,1.2M, 1.44Mand
2.88Mbytes
-1serialport,Com1onRearIO
-1parallelportsupportsSPP/EPP/ECPmode
-1Line-In/Line-Out/MIC-In
-6USBports(Rear*4/Front*2)
-1RJ-45 LANjack
On-boardLAN
†Realtek8100C
-IntegratedFastEthernetMACand PHYinonechip
-Supports10Mb/s,100Mb/s
-Compliance withPCI 2.2
-SupportsACPIPowerManagement
Audio
†HighDefinitionlinkcontrollerintegratedinICH6
†5.1channelsS/Waudiocodec RealtekALC655codec
BIOS
†4MbFWH
†ProvidesDMI2.0,WfM2.0,WOL,WOR, chassisintrusion,and
SMBusforsystemmanagement
MountingandDimension
†M-ATXFormFactor:24.5cm(W)x24.5cm(L)
†8mountingholes

Chapter1
1-4
FrontView
1.2xUSB2.0Ports 5.PowerSwitch
2.Mic-in(pink),Line-out(green) 6. FDD (optional)
3.HDD LED 7. OpticalDrive(optional)
4.PowerLED 8.OpticalDriveEject/Close
Button
1.2 SystemConfiguration

Getting Started
1-5
RearView
1.PS/2Mouse 9.PCISlots
2.PS/2Keyboard 10.AC InputVoltageSelector
3. Serial Port 11. Parallel Port
4. VGAPort 12.RJ-45LANJack
5.4xUSB2.0Ports 13.Line-in
6. Mic-in 14.ChassisLocks
7.Line-out 15.PowerJack
8.PCIExpressx16Slot

Chapter1
1-6
ChassisDesign
†Dimension:335mm(H)x98mm(W)x363mm(D)
†Minimizedscrewstructure
†Detachablebayhousing
†Multipleventilationholes
1.CPUFanVentilationHole 5. SystemVentilation Hole
2.CPUFanVentilationHole 6. SystemVentilation Hole
3.SystemFanVentilationHole 7.FrontI/OReleaseButton
4.PowerSupplyVentilationHole

Getting Started
1-7
1.3 ThermalSolution
Topreventthesystemfromoverheating,wehaveadoptedaspe-
ciallydesignedCPUcooler(optional)andmultipleventilationholesfor
bettercoolingeffects.Ofcourse,youcanusetheCPUcoolerincluded
withtheIntel®CPU.
ThespeciallydesignedCPUcoolersupportsIntel®LGA775-
Prescott™FSB800and Celeron-D™@800MHz.Thefollowingfigures
illustratehowthesystemfaneffectivelyexhaustshotairthroughmul-
tipleventilationholes.
CPUFan
AirFlow Direction
CPUFan
AirIn
AirOut

Chapter1
1-8
Power
Supply
Power
SupplyFan
Ventilation
Hole
System
Fan
VentilationHole
Ventilation
Hole
frontpanel

Getting Started
1-9
SystemAirFlowDirection
Aftertheinstallationiscompleted, please
keepotherobjectsawayfromtheventila-
tionholeatleast2.5cmandabove.Donot
blocktheventilationhole.
SystemFan
Power
Supply
Power
Supply
Fan
frontpanel

2
Thischaptertellsyou basicsoftheCPU,memorymodules,
and expansioncards,aswellashowtosetupthejumpersonthe
mainboard. Also, it providestheinstructionsonconnecting
theperipheal devices, suchasthemouse,keyboard, etc.
Whiledoingtheinstallation,becarefulinholdingthecom-
ponentsandfollowtheinstallationprocedures.
Introducing Mainboard

Chapter2
2-2
2.1MainboardLayout
MS-7036(V1.X)Mainboard
D
D
R
2
D
D
R
1
F_AUDIO
CD_IN
Codec
RTL8100C
BATT
+
BIOS
Winbond
W83627THF
I
D
E
1
COM2
JLPC1
FDD
PCISlot 1
PCISlot 2
PCISlot 3
SYS_FAN
ATX_12V
ATX
Power Supply
CLR_CMOS
IrDA
F_USB1
SATA1
SATA2
SATA3
SATA4
F_USB2
BIOS_WP
PCI_E
915G/915GL
ICH6
J
F
P
1
JCI1
T: Line-Out
B:Mic
Line-In
M:
T:mouse
B: keyboard
LGA775CPUSocket

IntroducingMainboard
2-3
2.2 CPU
Themainboard supportsIntel®Pentium4Prescott/Celeron-D
processor.Themainboard usesaCPUsocketcalledLGA775.Whenyou
areinstallingtheCPU, makesureto installthecoolertoprevent
overheating. Ifyoudo nothavetheCPU cooler, contact yourdealerto
purchaseandinstall thembeforeturningonthecomputer.
MSIRemindsYou...
Overheating
Overheating will seriouslydamage the CPUand system,always
makesurethe cooling fan can workproperlytoprotectthe CPU
fromoverheating.
Replacing theCPU
WhilereplacingtheCPU, alwaysturnofftheATXpowersupplyor
unplug the powersupply spowercordfromgrounded outletfirst
toensurethe safetyofCPU.
Overclocking
Thismotherboardisdesignedtosupportoverclocking.However,
pleasemakesureyourcomponentsareabletotoleratesuch
abnormalsetting,whiledoing overclocking.Anyattempttooper-
atebeyondproductspecificationsisnotrecommended. Wedo
notguaranteethedamagesorriskscausedbyinadequate
operation orbeyondproductspecifications.
Introduction toLGA775 CPU
Thesurface ofLGA 775
CPU.Remembertoapply
some siliconheat transfer
compound onitforbetter
heat dispersion.
YellowtriangleisthePin1indicator
Thepin-padsideofLGA
775CPU.
YellowtriangleisthePin1indicator
Alignment
Alignment Key

Chapter2
2-4
CPU&CoolerInstallation
Whenyou areinstalling theCPU, makesuretheCPUhasacooler
attachedonthetoptopreventoverheating.Ifyoudonothavethecooler,
contactyourdealertopurchaseand install thembeforeturningonthe
computer.Meanwhile, do notforgettoapplysomesiliconheat transfer
compoundonCPUbeforeinstallingtheheat sink/coolerfanforbetter
heat dispersion.
FollowthestepsbelowtoinstalltheCPU &coolercorrectly.Wrong
installationwillcausethedamageofyour CPU &mainboard.
1.TheCPUhasaland sidecoveron
the bottomtoprotectthe CPUcon-
tact fromdamage.Rotateittomake
thepin 1indicator(yellowtriangle)
inthe right-bottomcorner.
2.TakeouttheaccompanyingCPUClip
androtateitforthe samedirectionas
theCPU(Pin1indicatorisin theleft-
bottomcorner).
landsidecover
MSIRemindsYou...
1.ConfirmifyourCPUcoolerisfirmlyinstalledbeforeturning on
yoursystem.
2.Donottouchthe CPUsocketpinstoavoiddamaging.
3.The availabilityofthe CPUlandsidecoverdependsonyourCPU
packing.
3.Use2handstoremovethe land side
cover(ifany).Pleasenotenotto
touchthepins.
4.Align thetwopin 1indicators(the
trianglesontheCPU&theCPUClip),
and usetheCPUClip toclip the CPU
up, pressingtheclipsonbothsides
tothecenter, asthe arrowsshown.