845E电脑主板电路原理图

5544332211DDCCBBAASchematicPage#COVERSHEET1RevisionX2LastChange:2002-09-262345BLOCK-POWERBLOCKDIAGRAM678CPU-P4BUSCPU-P4POWER910MCH-SYSBUS&CLOCKMCH-AGP&DDRMCH-POWER11121314DDR-DIMM0ICH4-SYSBUS&PCISIO0-LPC47M1071516191718LAN-10/100/1000BUS202123222425262728AC97-AD1885VGA-COUGAR-01CLK-ICS950201CONN-PCICONN-COM1/COM2/LPTUSB0-USB1-LAN0DDR-POWERPOWERPrefixNetobjectH_P4HOSTBUSSIGNALCLOCKSIGNALCK_ICH4-LPC&IDE&USBICH4-POWERGLUELOGICSIO1-LPC47N227CONN-COM3/COM4/KBCVGA-COUGAR-02VGA-COUGAR-03CONN-01IDE-FLOPPY293031SYSTEMCONTROLM_MEMORYBUSSIGNALV_POWERG_AGPBUSSIGNALCPU-ITPDDR-DIMM132USB2-USB533LAN-10/100/1000CONNA_CRITICALANALOGTRACESMECH-ROUTENOTES3435F_FLOPPYDISKSIGNALL_LPCBUSSIGNALP_PCIBUSSIGNALAC_AC97SIGNALKB_KEYBOARDSIGNALLP_LPT1284SIGNALMS_MOUSESIGNALZV_ZVVIDEOPORTSIGNALAUD_ANALOGAUDIOSIGNALGND_GNDSIGNALDERIVEDI2C_I2CBUSSIGNALIDE_IDESIGNALINT_INTERRUPTSIGNALLANn_LANCONTROLLERnSIGNALSPn_SERIALPORTnSIGNALUSB_USBPORTSIGNALAPIC_APICSIGNALGeneralNote:AllPartsmarked'XXX1'willnotbeassembledinV1.AllPartsmarked'XXX2'willnotbeassembledinV2.EEn_SERIALEEPROMLANnEN_ENABLEFORPOWERSOURCESFWH_FIRMWAREHUBSIGNALGNDGNDPOWERMIDI_MIDISIGNALChangesfromX1toX212AllBAT54A(0-0031-1261)changedtoBAT54(0-0031-1104)duetowrongpolarityR712changedfrom10kto15ktoadjustvoltage3PUR756andR757added@U38.15(PG_VDDR)andU38.16(PG_V1V5)4NetonpinsU3.54andU3.55separated(BSEL[0..1])duetonamingerrorPUR758addedatCN34.7(SYS_RESET#)5678910PUR759addedatU39.4(VIDPWRGD)C717changedfrom4u7to1uR607notpopulated111213R571andR572notpopulated(FWHTestPins)R585andR586notpopulated(forLVDS18Bit)141516R760andC741addedtoU7.50togenerateaV_3V3SBinputdelayforresumeresetR501andR494notpopulatedduetoPCIconfigofLAN82540U36FWHsymbolchangedduetowrongpinout(Pin23,24and25)R496changedto4k7andsettoGND(PDM66EN)R525andR499isnowpopulatedR530notpopulatedduetowrongV_2V5LANvoltage171819U20.G4isnow51RPulldowntoGNDU20.H4isnow33RPulluptoV_3V3LAN20212223AC97Fixup(AC_SDIN0-ChangedtoAC_SDIN2onICH4)SwapICH4PinN20andP21(H_HISTB+/H_HISTB-)duetowronginfoinyellowcoverLAN82540Fixup(R519populatedwith0R,R517changedto2K49andR513changedto330R)R615changedto4K32duetoCougarBug24HWRevchangedto2atGlueLogic2526R373isnowpopulatedwith10MCN12.4mustbeisolatedcauseofshortcutofAUD_MIC_BIAStoGND27PUR761-R765addedtoVID[0:4]PUR766addedtoU23.15,PDR767addedtoU23.14(Panellinkstrappingoptions)282930HD-LED-powerconnectedtoV_5V0insteadofV_5V0SBPDR768addedtoPS_ONPUR769addedtoU3.28(PGOOD408#)313233PDR770,R771,R772addedtopowerenables(defaultoff,ifCPLDnotconfigured)PDR773-R776addedtoserialportshutdownpinsSplittedSMI#andPME#signalsofSIO0andSIO1onICH4-GPIOs34RemovedR383,R384,R38535AddedD25toavoidcrossvoltagesfromVGAMonitor36AddedD26toavoidcrossvoltagesLPTPort37AlternativepopulationofL7toL12withresistors(0R)PME#SignalofCougar(PinB7)issettoV_3V3via0R3839U29(LP3965EMP)canbereplacedbyan0R_1206topower3V3onCougar40PossibilitytoPullDownPinD8(MD24)onCougartoenableSDRAM41CN41(JUMPER3x1)addedtoconnecttoMPCIPins(TIPandRING)42V_5V0inputatV_DDRsupplyisnowcontrolledbyXILINXCPLD(Pin25)43DelayofPWRGOOD#(LAN82540EMPinA9)toenablecorrectEEPROMdetectionTHISSCHEMATICISPROVIDEDASISWITHNOWARRANTIESWHATSOEVER,INCLUDINGANYWARRANTYOFMERCHANTABILITY,FITNESSFORANYPARTICULARPURPOSE,ORANYWARRANTYOTHERWISEARISINGOUTOFPROPOSAL,SPECIFICATIONORSAMPLE.Nolicense,expressorimplied,byestoppelorotherwise,toanyintellectualpropertyrightsisgrantedherein.Inteldisclaimsallliability,includingliabilityforinfringementofanyproprietaryrights,relatingtouseofinformationinthisspecification.Inteldoesnotwarrantorrepresentthatsuchusewillnotinfringesuchrights.THISDRAWINGCONTAINSINFORMATIONWHICHHASNOTBEENVERIFIEDFORMANUFACTURINGASANENDUSERPRODUCT.INTELISNOTRESPONSIBLEFORTHEMISUSEOFTHISINFORMATION.*Othernamesandbrandsmaybeclaimedasthepropertyofothers.Intel(R)845EInteractiveClientReferenceDesignAPPENDIXCB444B-W2.00COVERSHEETIntel(R)845EInteractiveClientReferenceDesignC135Monday,April21,2003TitleSizeDocumentNumberRevDateSheetof5544332211DDCCBBAASET=IntelPentium4Processor-MHWREV2SWREV0B444B-W2.00GLUELOGICIntel(R)845EInteractiveClientReferenceDesignC1835Monday,April21,2003TitleSizeDocumentNumberRevDateSheetofDPSLPDPSLPXCPUSLPX#CPUSLP7SEG0AXXC_CK17SEG0DP7SEG0D7SEG1DXVID07SEG1BX7SEG0A7SEG1CX7SEG0EXDPSLP7SEG1GX7SEG0C7SEG0CXPORT_EN7SEG0FPWMVID0XCTMS7SEG1G7SEG0DPX7SEG1AL_AD27SEG0DXPWMVID4L_AD37SEG0BX7SEG0FXXCTDI7SEG0GXCTCK7SEG1FVID17SEG1FXXCTDO7SEG0EXC_CK07SEG1E7SEG1C7SEG1DPXPWMVID17SEG0GX7SEG0BVID47SEG1DPL_AD0PWMVID3PWMVID27SEG1AXVID27SEG1DVID3CPUSLP7SEG1BL_AD17SEG1EXNW_MOBILE#SW_REV2SW_REV1SW_REV0DELAY3V3GNDGNDGNDV_3V3SBV_3V3V_3V3SBV_3V3SBGNDV_3V3SBGNDGNDGNDV_3V3SBV_3V3SBV_3V3SBGNDV_3V3SBV_3V3SBV_3V3SBGNDGNDGNDV_3V3SBV_3V3SBGNDV_3V3SBGNDGNDQ6BC847/B312R40210KAR424150RAR4070RAR423150RAC293100nAR40510KAU7XCR3128XL183433951668291263843597486951141573627271706968676564637576777879808183848561605857565554535290898887404142444546474849502110099989796949392567891213143736353332313029282716171920212223242510VCC2VCC3VCC1VCC4VCC5VCC6VCC7VCC8GND1GND2GND3GND4GND5GND6GND7PORT_EN/PETDI/F1TMS/H1TDO/A1TCK/C1A2A3A4A5A6A1