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80X0DXN/BMaintenance11.HardwareEngineeringSpecification……………………………………………………………………….1.1Introduction………………………………………………………………………………………………………………..1.2SystemHardwareParts…………………………………………………………………………………………………...1.3OtherFunctions……………………………………………………………………………………………………………1.4PowerManagement………………………………………………………………………………………………………..1.5Appendix1:IntelICH6-MGPIODefinitions……………………………………………………………………………1.6Appendix2:W83L950DKBCPinDefinitions…………………………………………………………………………..1.7Appendix3:80X0DXProductSpecifications……………………………………………………………………………2.SystemViewandDisassembly……………………………………………………………………………...2.1SystemView………………………………………………………………………………………………………………..2.2ToolsIntroduction………………………………………………………………………………………………………..2.3SystemDisassembly………………………………………………………………………………………………………3.Definition&LocationofConnectors/Switches…………………………………………………………..3.1MotherBoard(SideA)…………………………………………………………………………………………………….3.2MotherBoard(SideB)……………………………………………………………………………………………………3.3DaughterBoard…………………………………………………………………………………………………………….4.Definition&LocationofMajorComponents……………………………………………………………..4.1MotherBoard(SideA)……………………………………………………………………………………………………4.2MotherBoard(SideB)……………………………………………………………………………………………………447374346485155555982828686848785Contents6080X0DXN/BMaintenance2Contents5.PinDescriptionofMajorComponent…….……………………………………………………………….5.1Intel915PMNorthBridge……………………………………………………………………………………………….5.2IntelICH6-MSouthBridge………………………………………………………………………………………………6.SystemBlockDiagram………………………………………………………………………………………7.MaintenanceDiagnostics……………………………………………………………………………………7.1Introduction………………………………………………………………………………………………………………..7.2MaintenanceDiagnostics…………………………………………………………………………………………………..7.3ErrorCodes………………………………………………………………………………………………………………..8.TroubleShooting……………………………………………………………………………………………8.1NoPower……………………………………………………………………………………………………………………8.2NoDisplay………………………………………………………………………………………………………………….8.3VGAControllerTestErrorLCDNoDisplay…………………………………………………………………………..8.4ExternalMonitorNoDisplay……………………………………………………………………………………………..8.5MemoryTestError………………………………………………………………………………………………………..8.6Keyboard(K/B)Touch-Pad(T/P)TestError……………………………………………………………………………8.7HardDriveTestError……………………………………………………………………………………………………8.8CD-ROMDriveTestError………………………………………………………………………………………………..8.9USBPortTestError……………………………………………………………………………………………………….8.10AudioTestError………………………………………………………………………………………………………….11312413013612612810811512113213413888981091111091108880X0DXN/BMaintenance3Contents8.11LANTestError…………………………………………………………………………………………………………..8.12PCCardSocketTestError……………………………………………………………………………………………...8.13Mini-PCISocketTestError………………………………………………………………………………………………9.SparePartsList…………………………………………………………………………………………….10.SystemExplodedViews……………………………………………………………………………………11.CircuitDiagram……………………………………………………………………………………………12.ReferenceMaterial…………………………………………………………………………………………14714314516016219514180X0DXN/BMaintenance41.HardwareEngineeringSpecification1.1.1GeneralDescriptionThisdocumentdescribesthebriefintroductionforMiTAC80X0DXportablenotebookcomputersystem.1.1.2SystemOverviewTheMiTAC80X0DXmodelisdesignedforIntelMobilePentium-MprocessorDothan400and533FSB.ThissystemisbasedonPCIarchitectureandisfullycompatiblewithIBMPC/ATspecification,whichhasstandardhardwareperipheralinterface.Thepowermanagementcomplieswithadvancedconfigurationandpowerinterface.ItalsoprovideseasyconfigurationthroughCMOSsetup,whichisbuiltinsystemBIOSsoftwareandcanbepop-upbypressingF2keyatsystemstartuporwarmreset.SystemalsoprovidesiconLEDstodisplaysystemstatus,suchasWLANindicator,powerindicator,batterystatusindicator,HDD,CD-ROM,NUMLOCK,CAPLOCK,SCROLLLOCK,Silentmode,Cardreader.Italsoequippedwith10/100MLAN,56KFaxMODEM,4USBport,IEEE1394,DVI-I,CIR,S-Videoandaudiolineout,SPIDIF,andinternal/externalmicrophonefunction.ThememorysubsystemsupportsDDR2SDRAMchannels(64bitswide).TheMobileIntel915PMexpresschipsetisagraphicsmemorycontrollerhub(GMCH)designedforIntelDothanprocessor,ahighperformancePCIexpressinterface,ahighperformancememorycontroller,digitalvideoport1.1Introduction80X0DXN/BMaintenance5(DVOB&DVOC)interface,anddirectmediainterface(DMI)connectingwithIntelICH6-M.TheIntelICH6-Mintegratesthreeuniversalserialbus2.0hostcontrollersinterface(UHCI),theaudiocontrollerwithAzaliainterface,theEthernetincludesa32bitPCIcontroller,theIDEMaster/Slavecontrollers,theSATAcontrolleranddirectmediainterfacetechnology.Then-VidiaG3familyofmobileGPUsprovidesthefastestsolutionsavailablefornotebooks,supporting64bitor128bitmemoryinterfaceandPCIExpress®modetoprovideunparalleledperformance,platformscalability,andfeatures.Pincompatibilityallowsonedesigntoservealldevicesinthefamily.NV43MincludeinMXM-IIcard,usedbyPCI-EI/F,128MBVRAMandVBIOSonmodule.TheRealtekRTL8100CLisahighlyintegrated,cost-effectivesingle-chipFastEthernetcontrollerthatprovides32bitperformance,PCIbusmastercapability,andfullcompliancewithIEEE802.3u100Base-TspecificationsandIEEE802.3xfullduplexflowcontrol.ItalsosupportstheAdvancedConfigurationPowermanagementInterface(ACPI).TheT