电脑硬件 芯片 PC 机总线引脚定义.docx

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1、AGP总线定义AGP是AcceleratedGraphicsPort,是Intel推出的一种3D图形标准接口，它能够提供四倍于PCI的效率，AGP2X的传输速率达到533MB。有关AGP的说明可以在Int的网站上找到。引脚定义IinB面A面Spare12V5.0VSpare5.0VReservedUSB+USB-GroundGroundINTB#INTA#ClockRST#REQ#GNT#Vcc3.3VVcc3.3V0STOSTl1ST2Reserved2RBF#PIPE#3GroundGround4SpareSpare5SBAOSBAl6Vcc3.3VVcc3.3V7SBA2SBA38SB.

2、STBReserved9GroundGroundOSBA4SBA51SBA6SBA72KeyKey3KeyKey4KeyKey5KeyKey6Address31Address307Address29Address288Vcc3.3VVcc3.3V9Address27Address26OAddress25Address241GroundGround2AD_STB1Reserved3Address23C/BE3#4Vddq3.3Vddq3.35Address21Address226Addressl9Address20PUOJ)pun0j99TTSSjpp3ssjppvPSssjppt7ssjppb

3、pp,bpp3-ssjpp#T39/3THd#dd3S0PUneM9pun0j96jeds#1.ad8#d01Sbpp1.#人(Rl#1AmQ99t7PUnCM9PUno93lIdd#xaaibppbpp09ssjpp#239/368TSSjppvZtSSaIPPV8pu0j9punojg1.6AddresslOAddress97Address8C/BEO#8Vddq3.3Vddq3.39AD.STB0Reserved0Address7Address61GroundGround2Address5Address43Address3Address24Vddq3.3Vddq3.35AddresslA

4、ddressO6SMBOSMBlATA44接口ATA是ATbusAttachment的缩写，由Conner,Seagate和WesternDigital公司开发，是新版的IDE接口，ATA44接口是ATA接口再加上电源等线，主要用于便携式计算机用2.5“硬盘，在设备和主板侧的外观为44脚插针：ATA44电缆外观为：引脚定义ATA44接口的1-40脚的定义同ATA141-44的定义为：软驱接口35软驱和5软驱连线，外观为引脚定义EX0/MOTEAMotorEnableA2/DRVSBDriveSelB4/DRVSADriveSelA6/MOTEBMotorEnableB8/DIRDirectio

5、n/STEPStep2/WDATEWriteData4/WGATEFloppyWriteEnable6/TRK00Track08/WPTWriteProtect0/RDATAReadData2/SIDElHeadSelect4/DSKCHGDiskChangeIDE接口IDE是IntegratedDriveElectronics的缩写，由Compaq和WesternDigital公司开发，新版的IDE命名为ATA即ATbusAttachment1IDE接口在设备和主板侧的外观为40脚插针：IDE电缆外观为：引脚定义inNameDescription/RESETResetGNDGroundDD7

6、Data7DD8nData8DD6Data6DD9Data9DD5Data5DDlOData10DD4Data4ODDllData111DD3Data32DD12Data123DD2Data24DD13Data135DDlData16DD14Data147DDODataO三DD15IData159GNDGroundOKEYKey1n/cNotconnected2GNDGround3/IOWWriteStrobe4GNDGround5/IORReadStrobe6GNDGround7IO_CH-RDY8A1.EAddress1.atchEnable9n/cNotconnectedOGNDGrou

7、nd1IRQRInterruptRequest2/IOCS16IOChipSeIect163DAlAddress14n/cNotconnected5DAOAddressOISA总线定义ISA是IndUStryStandardArchitecture的缩写接口卡的外观引脚定义w定义说明1/I/OCHCKI/Ochannelcheck;activelow=parityerror2D7Databit71.3D6IDatabit64D5Databit55D4Databit46D3IDatabit37D2Databit2.8DlIDatabit19DO1Databit010I/OCHRDYI/OChan

8、nelready,pulledlowtolengthenmemorycycles11AENAddressenable;activehighwhenDMAcontrolsbus12A19Addressbit1913A18IAddressbit1814A17Addressbit1715A16Addressbit1616A15Addressbit1517A141Addressbit1418A13Addressbit1319A12Addressbit1220AllAddressbit1121AlOAddressbit1022A9Addressbit923A8Addressbit824A7Address

9、bit725A6Addressbit626A5Addressbit527A4Addressbit428A3Addressbit329A2Addressbit230AlAddressbit131AOAddressbit01GNDGround2RESETActivehightoresetorinitializesystemlogic35V+5VDC4IRQ2InterruptRequest25-5VDC-5VDC6DRQ2DMARequest27-12VDC-12VDC8/NOWSNoWaitState9+12VDG+12VDC10GNDGround11/SMEMWSystemMemoryWrit

10、e12/SMEMRSystemMemoryRead13/IOWI/OWrite14/IORI/ORead15/DACK3DMAAcknowledge316DRQ3DMARequest317/DACK1DMAAcknowledge118DRQlDMARequest119/REFRESHRefresh20C1.OCKSystemClock(67nsl8-8.33MHz,50%dutycycle)21IRQ7InterruptRequest722IRQ6InterruptRequest623IRQ5InterruptRequest524IRQ4InterruptRequest425IRQ3Inter

11、ruptRequest326/DACK2DMAAcknowledge227T/CTerminalcount;pulseshighwhenDMAterm,countreached28A1.EAddress1.atchEnable29+5V+5VDC30OSCHigh-speedClock(70ns,14.31818MHz,50%dutycycle)31GNDGround1SBHESystembushighenable(dataavailableonSD8-15)21.A23Addressbit2331.A22Addressbit2241.A21Addressbit2151.A20Addressb

12、it2061.A18Addressbit1971.A17Addressbit1881.A16Addressbit179/MEMRMemoryRead(Activeonallmemoryreadcycles)10/MEMWMemoryWrite(Activeonallmemorywritecycles)11SD08Databit8SD09Databit91213SDlODatabit1014SDllDatabit1115SD12Databit1216SD13Databit1317SD14Databit1418SD15Databit151/MEMCS16Memory16-bitchipselect

13、(1wait,16-bitmemorycycle)2/IOCSl6I/O16-bitchipselect(1wait,16-bitI/Ocycle)3IRQlOInterruptRequest104IRQllInterruptRequest115IRQ12InterruptRequest126IRQ15InterruptRequest157IRQ14InterruptRequest148/DACK0DMAAcknowledge09DRQODMARequest010/DACK5DMAAcknowledge511DRQ5DMARequest512/DACK6DMAAcknowledge6DRQ6D

14、MARequest6SonyCD-ROM接口SonyCD-ROM在光驱和接口卡侧的外观为34脚插针：连接电缆外观为：引脚定义GNDGroundDB6DataBit6GNDGroundDB5DataBit5NDGGroundB4DDataBit4OGNDGround1DB3DataBit32GNDGround3DB2DataBit24GNDGround5DBlDataBit16GNDGround7DBODataBit08GNDGround9AEWriteEnableOGNDGround1REReadEnableGGround2ND3ACKDataAcknowledgeForDMA4GNDGrou

15、nd5REQDataRequestForDMA6GNDGround7INTInterrupt8GNDGround9A1AddressBit10GNDGround1A0AddressBit02GNDGround3ENBusEnable4GNDGroundVESA总线定义VESA是VideoElectronicsStandardsAssociation的缩写，本页列出的是扩展部分的引脚定义，非扩展部分请见ISA总线的定义。接口卡的外观插槽的外观引脚定义inNameDescription1DlData12D3Data33GNDGround4D5Data55D7Data76D9Data97DllDat

16、a118D13Data139D15Data1510GNDGround11D17Data1712Vcc+5VDC13D19Data1914D21Data2115D23Data2316D25Data2517GNDGround18D27Data2719D29Data220D31Data3121A30Address3022A28Address2823A26Address2624GNDGround25A24Address2426A22Address2227VCC+5VDC28A20Address2029A18Address1830A16Address1631A14Address1432A12Addres

17、s1233AlOAddress1034A8Address835GNDGround36A6Address637A4Address438WBACK#WriteBack39BEO#ByteEnable040VCC+5VDC41BE1#ByteEnable142BE2#ByteEnable243GNDGround44BE3#ByteEnable345ADS#AddressStrobe1.RD1.ocalReady48Y#491.DEV1.ocalDevice501.REQ1.ocalRequest51GNDGround521.GNT1.ocalGrant53VCC+5VDC54ID2Identific

18、ation255ID3Identification356ID4Identification4571.KEN#581.EADS#1.ocalEnableAddressStrobe1DOData02D2Data23D4Data44D6Data65D8Data86GNDGround7DlOData108D12Data129VCC+5VDC10D14Data1411D16Data1612D18Data1813D20Data2014GNDGround15D22Data2216D24Data2417D26Data2618D28Data2819D30Data3020VCC+5VDC21A31Address3

19、122GNDGround23A29Address2924A27Address2725A25Address2526A23Address2327A21Address2128A19Address1929GNDGround30A17Address1731A15Address1532VCC+5VDC33A13Address1334AllAddress1135A9Address936A7Address737A5Address538GNDGround39A3Address340A2Address241cNotconnected42RESET#Reset43DC#DataComrad44M/l0#Memory

20、/IO45W/R#Write/ReadRDYReadyReturn48RTN#49GNDGround50IRQ9Interrupt951BRDY#BurstReady52B1.AST#Burst1.ast53IDOIdentification054IDlIdentification155GNDGround561.C1.K1.ocalClock57VCC+5VDC581.BSl6#1.ocalBusSize169针VGA显示接口VGA是VideoGraphicsAdapter(Array)的缩写，信号类型为模拟类型，显示卡端的接口为9针母插座：显示器连线端的接口为9针公插头：inIame|Des

21、criptionREDRedVideoGREENIGreenVideoB1.UEI-BlueVideoHSYNC1：HorizontalSyncVSYNC1：VerticalSyncRGND1.RedGroundGGND1：GreenGroundBGNDBlueGroundSGNDCSyncGround15针VGA显示接口VGA是VideoGraphicsAdapter(Array)的缩写，信号类型为模拟类型，显示卡端的接口为15针母插座：显示器连线端的接口为15针公插头：引脚定义inNameirDescriptionREDIRedVideo(75ohm,0.7Vp-p)GREENGreenVideo(75ohm,0.7VP-P)B1.UEIBlueVideo(75ohm,0.7Vp-p)ID2,1MonitorIDBit2GNDGroundRGND1RedGroundGGND,GreenGroundBGNDIBlueGroundKEYKey(Nopin)OSGNDISyncGround1IDO1MonitorIDBit02IDlorSDA.MonitorIDBit13HSYNCorCSYNCIHorizontalSync(orCompositeSync)4VSYNCIVerticalSynckID3orSC1.IMonitorIDBit3