5功能故障維修pc接口定義

1、5.25 電源接口5.25 電源引腳接線的外觀為：5.25 驅動器上電源引腳插座的外觀為：軟驅電源接口引腳定義：第 1 頁2004-9-18PinNameColorDescription1+5VRed(紅)+5 VDC2GNDBlack(黑)+5 V Ground (地線)3GNDBlack(黑)+12 V Ground (地線)4+12VYellow(黃)+12 VDCPinNameColorDescription1+12VYellow(黃)+12 VDC2GNDBlack(黑)+12 V Ground (Same as +5 V Ground)3GNDBlack(黑)+5 V Ground

2、4+5VRed(紅)+5 VDC引腳定義PC 主機板電源接口主機板上的電源引腳外觀為：P8:P9:第 2 頁2004-9-18PinNameColorDescription123GNDBlack(黑)Ground (地線)GNDBlack(黑)Ground (地線)-5VWhite or Yellow-5 VDC4+5VRed(紅)+5 VDC5+5VRed(紅)+5 VDC6+5VRed(紅)+5 VDCPinNameColorDescription1PGOrange(橙)er Good, +5 VDC when all voltages has stabilized.(電源正常信號)2+5

3、VRed(紅)+5 VDC (or n/c)3+12VYellow(黃)+12 VDC4-12VBlue(藍)-12 VDC5GNDBlack(黑)Ground (地線)6GNDBlack(黑)Ground (地線)引腳定義PC ATX 主機板電源接口ATX 電源引腳為 20 腳，其中第一腳為方型，其余為圓型，外形為：引腳定義為：第 3 頁2004-9-18PinNameDescription13.3V提供 +3.3V 電源23.3V提供 +3.3V 電源3GND地線45V提供 +5V 電源5GND地線65V提供 +5V 電源7GND地線8PW-OKer OK，指示電源正常工作95VSB提供

4、+5V Stand by 電源，供電源啟動電路用1012V提供 +12V 電源113.3V提供 +3.3V 電源12-12V提供 -12V 電源13GND地線14PS-ON電源啟動信號，低電平-電源開啟，-電源關閉15GND地線16GND地線17GND地線18-5V提供 -5V 電源195V提供 +5V 電源205V提供 +5V 電源ISA 總線定義ISA 是 Industry Standard Architecture 的縮寫第 4 頁2004-9-18引腳定義方向說明引腳定義方向說明A1/I/O CH CKI/O channel check; active lority errorB1GN

5、DGroundA2D7Data bit 7B2RESETActive high to reset or initialize system logicA3D6Data bit 6B3+5V+5 VDCA4D5Data bit 5B4IRQ2errupt Request 2A5D4Data bit 4B5-5VDC-5 VDCA6D3Data bit 3B6DRQ2DMA Request 2A7D2Data bit 2B7-12VDC-12 VDCA8D1Data bit 1B8/NOWSNo WaitS e引腳定義插槽的外觀接口卡的外觀第 5 頁2004-9-18A9D0Data bit 0B

6、9+12VDC+12 VDCA10I/O CH RDYI/O Channel ready, pulled low to lengthen memory cyclesB10GNDGroundA11AENAddress enable; active high when DMA controls busB11/SMEMWSystem Memory WriteA12A19Address bit 19B12/SMEMRSystem Memory ReadA13A18Address bit 18B13/IOWI/O WriteA14A17Address bit 17B14/IORI/O ReadA15A1

7、6Address bit 16B15/DACK3DMA Acknowledge 3A16A15Address bit 15B16DRQ3DMA Request 3A17A14Address bit 14B17/DACK1DMA Acknowledge 1A18A13Address bit 13B18DRQ1DMA Request 1A19A12Address bit 12B19/REFRESHRefreshA20A11Address bit 11B20CLOCKSystem Clock (67 ns, 8-8.33 MHz,50% duty cycle)A21A10Address bit 10

8、B21IRQ7errupt Request 7A22A9Address bit 9B22IRQ6errupt Request 6A23A8Address bit 8B23IRQ5errupt Request 5A24A7Address bit 7B24IRQ4errupt Request 4A25A6Address bit 6B25IRQ3errupt Request 3A26A5Address bit 5B26/DACK2DMA Acknowledge 2A27A4Address bit 4B27T/CTerminal count; pulses high when DMA term. co

9、unt reachedA28A3Address bit 3B28ALEAddress Latch EnableA29A2Address bit 2B29+5V+5 VDCA30A1Address bit 1B30OSCHigh-speed Clock (70 ns, 14.31818 MHz, 50% duty cycle)A31A0Address bit 0B31GNDGroundC1SBHESystem bus high enable (data available on SD8-15)D1/MEMCS16Memory 16-bit chip select (1 wait, 16-bit

10、memory cycle)C2LA23Address bit 23D2/IOCS16I/O 16-bit chip select (1 wait, 16-bit I/O cycle)C3LA22Address bit 22D3IRQ10errupt Request 10C4LA21Address bit 21D4IRQ11errupt Request 11C5LA20Address bit 20D5IRQ12errupt Request 12PCI 總線定義PCI 是 Peripheral Componenterconnect 的縮寫PCI標準32 位/64 位 接口卡|PCI元件側（B 面）

11、|64 位引腳部分| 32 位引腳部分|-|-|-| b01 b11 b14 b49 b52 b62 b63 b94PCI|5V32/64 位卡optional64 位引腳部分| 32 位引腳部分|-|-| 32/64 位卡optionalPCI|3.3V| 32 位引腳部分64 位引腳部分|-|-|第 6 頁2004-9-18接口卡的外觀C6LA18Address bit 19D6IRQ15errupt Request 15C7LA17Address bit 18D7IRQ14errupt Request 14C8LA16Address bit 17D8/DACK0DMA Acknowled

12、ge 0C9/MEMRMemory Read (Active on all memory read cycles)D9DRQ0DMA Request 0C10/MEMWMemory Write (Active on all memory write cycles)D10/DACK5DMA Acknowledge 5C11SD08Data bit 8D11DRQ5DMA Request 5C12SD09Data bit 9D12/DACK6DMA Acknowledge 6C13SD10Data bit 10D13DRQ6DMA Request 6C14SD11Data bit 11D14/DA

13、CK7DMA Acknowledge 7C15SD12Data bit 12D15DRQ7DMA Request 7C16SD13Data bit 13D16+5 VC17SD14Data bit 14D17/MASTERUsed with DRQ to gain control of systemC18SD15Data bit 15D18GNDGround第 7 頁2004-9-18引腳定義Pin+5V+3.3VUniversalDescription+5V+3.3VUniversalDescriptionA1TRSTTest Logic ResetB1-12V-12 VDCA2+12V+1

14、2 VDCB2TCKTest ClockA3TMSTest Mde SelectB3GNDGroundA4TDITest Data InputB4TDOTest Data OutputA5+5V+5 VDCB5+5V+5 VDCA6Aerrupt AB6+5V+5 VDCA7Cerrupt CB7Berrupt BA8+5V+5 VDCB8Derrupt DA9RESV01VDCB9PRSNT1A10+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B10RES+V I/O (+5 V or+3.3 V)A11RESV03VDCB11PRSNT2?A12GND

15、03(OPEN)(OPEN)Ground or Open (Key)B12GND(OPEN)(OPEN)Ground or Open (Key)A13GND05(OPEN)(OPEN)Ground or Open (Key)B13GND(OPEN)(OPEN)Ground or Open (Key)A14RESV05VDCB14RESVDCA15RESETResetB15GNDResetA16+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B16CLKClockA17GNTGrant PCI useB17GNDGroundA18GND08GroundB18R

16、EQRequestA19RESV06VDCB19+5V+3.3VSignal Rail+V I/O (+5 V or+3.3 V)A20AD30Address/Data 30B20AD31Address/Data 31A21+3.3V01+3.3 VDCB21AD29Address/Data 29A22AD28Address/Data 28B22GNDGroundA23AD26Address/Data 26B23AD27Address/Data 27A24GND10GroundB24AD25Address/Data 25A25AD24Address/Data 24B25+3.3V+3.3VDC

17、A26IDSELInitialization Device SelectB26C/BE3d, ByteEnable 3A27+3.3V03+3.3 VDCB27AD23Address/Data 23A28AD22Address/Data 22B28GNDGroundA29AD20Address/Data 20B29AD21Address/Data 21第 8 頁2004-9-18A30GND12GroundB30AD19Address/Data 19A31AD18Address/Data 18B31+3.3V+3.3 VDCA32AD16Address/Data 16B32AD17Addres

18、s/Data 17A33+3.3V05+3.3 VDCB33C/BE2d, ByteEnable 2A34FRAMEAddress or Data phaseB34GND13GroundA35GND14GroundB35IRDYInitiator ReadyA36TRDYReadyB36+3.3V06+3.3 VDCA37GND15GroundB37DEVSE LDevielectA38STOPStop Transfer Cyc38GND16GroundA39+3.3V07+3.3 VDCB39LOCKLock busA40SDONESnoop DoneB40PERRParity ErrorA

19、41SBOSnoacko41+3.3V08+3.3 VDCA42GND17GroundB42SERRSystem ErrorA43PARParityB43+3.3V09+3.3 VDCA44AD15Address/Data 15B44C/BE1d, ByteEnable 1A45+3.3V10+3.3 VDCB45AD14Address/Data 14A46AD13Address/Data 13B46GND18GroundA47AD11Address/Data 11B47AD12Address/Data 12A48GND19GroundB48AD10Address/Data 10A49AD9A

20、ddress/Data 9B49GND20GroundB50(OPEN)GND(OPEN)Ground or Open (Key)B51(OPEN)GND(OPEN)Ground or Open (Key)A52C/BE0d, Byte Enable 0B52AD8Address/Data 8A53+3.3V11+3.3 VDCB53AD7Address/Data 7A54AD6Address/Data 6B54+3.3V12+3.3 VDCA55AD4Address/Data 4B55AD5Address/Data 5A56GND21GroundB56AD3Address/Data 3A57

21、AD2Address/Data 2B57GND22GroundA58AD0Address/Data 0B58AD1Address/Data 1A59+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B59VCC08+5 VDCA60REQ64Request 64 bit ?B60ACK64Acknowledge 64 bit ?第 9 頁2004-9-18A61VCC11+5 VDCB61VCC10+5 VDCA62VCC13+5 VDCB62VCC12+5 VDCA63GNDGroundB63RESA64C/BE7#d, Byte Enable 7B64GN

22、DGroundA65C/BE5#d, Byte Enable 5B65C/BE6 #d, ByteEnable 6A66+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B66C/BE4 #d, ByteEnable 4A67PAR64Parity 64 ?B67GNDGroundA68AD62Address/Data 62B68AD63Address/Data 63A69GNDGroundB69AD61Address/Data 61A70AD60Address/Data 60B70+5V+3.3VSignal Rail+V I/O (+5 V or+3.3

23、V)A71AD58Address/Data 58B71AD59Address/Data 59A72GNDGroundB72AD57Address/Data 57A73AD56Address/Data 56B73GNDGroundA74AD54Address/Data 54B74AD55Address/Data 55A75+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B75AD53Address/Data 53A76AD52Address/Data 52B76GNDGroundA77AD50Address/Data 50B77AD51Address/Data

24、 51A78GNDGroundB78AD49Address/Data 49A79AD48Address/Data 48B79+5V+3.3VSignal Rail+V I/O (+5 V or+3.3 V)A80AD46Address/Data 46B80AD47Address/Data 47A81GNDGroundB81AD45Address/Data 45A82AD44Address/Data 44B82GNDGroundA83AD42Address/Data 42B83AD43Address/Data 43A84+5V+3.3VSignal Rail+V I/O (+5 V or +3.

25、3 V)B84AD41Address/Data 41A85AD40Address/Data 40B85GNDGroundA86AD38Address/Data 38B86AD39Address/Data 39A87GNDGroundB87AD37Address/Data 37A88AD36Address/Data 36B88+5V+3.3VSignal Rail+V I/O (+5 V or+3.3 V)A89AD34Address/Data 34B89AD35Address/Data 35A90GNDGroundB90AD33Address/Data 33AGP 總線定義AGP 是 Acce

26、lerated Graphics Port，是el 推出的一種 3D 圖形標準接口，它能夠提供四倍于 PCI 的效率，AGP2X 的傳輸速率達到 533MB。有關 AGP 的說明可以在el 的上找到。第 10 頁2004-9-18引腳定義PinB 面A 面PinB 面A 面1Spare12V34Vddq3.3Vddq3.325.0VSpare35Address21Address2235.0V36Address19Address204USB+USB-37GroundGround5GroundGround38Address17Address186B#A#39C/BE2#Address167Cloc

27、kRST#40Vddq3.3Vddq3.38REQ#GNT#41IRDY#FRAME#9Vcc3.3VVcc3.3V4210ST0ST143GroundGround11ST24412RBF#PIPE#45Vcc3.3VVcc3.3V13GroundGround46DEVSEL#TRDY#14SpareSpare47Vddq3.3STOP#15SBA0SBA148Perr#Spare16Vcc3.3VVcc3.3V49GroundGround17SBA2SBA350SERR#PAR18SB_STB51C/BE1#Address1519GroundGround52Vddq3.3Vddq3.320S

28、BA4SBA553Address14Address1321SBA6SBA754Address12Address1122KeyKey55GroundGround23KeyKey56Address10Address924KeyKey57Address8C/BE0#A91AD32Address/Data 32B91GNDGroundA92RESB92RESA93GNDGroundB93RESA94RESB94GNDGroundUSB 總線定義USB 是 Universal Serial Bus 的縮寫，由 Compaq, Digital, IBM,el, NEC, Northern聯(lián)合推出。外觀上計

29、算機一側為 4插，設備一側為 4 針母插。PCM引腳定義PCM是al Computer Memory Cardernational AssotionIndustry Standard Architecture 的縮寫，是便攜式計算機外擴卡的接口定義。第 11 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1GNDGround35GNDGround2D3Data 336/CD1Card Detect 13D4Data 437D11Data 114D5Data 538D12Data 125D6Data 639D13Data 136D7Dat

30、a 740D14Data 147/CE1Card Enable 141D15Data 15PinNameDescription1VCC+5 VDC2D-Data -3D+Data +4GNDGround25KeyKey58Vddq3.3Vddq3.326Address31Address3059AD_STB027Address29Address2860Address7Address628Vcc3.3VVcc3.3V61GroundGround29Address27Address2662Address5Address430Address25Address2463Address3Address231

31、GroundGround64Vddq3.3Vddq3.332AD_STB165Address1Address033Address23C/BE3#66SMB0SMB19 針 VGA 顯示接口VGA 是Graphics Adapter(Array) 的縮寫，信號類型為模擬類型，顯示卡端的接口為 9 針母插座：第 12 頁2004-9-188A10Address 1042/CE2Card Enable 29/OEOutput Enable43/VS1Refresh10A11Address 1144/IORD?I/O Read11A9Address 945/IOWR?I/O Write12A8Addr

32、ess 846A17Address 1713A13Address 1347A18Address 1814A14Address 1448A19Address 1915/WE:/PWrite Enable : Program49A20Address 2016/READY:/IREQReady : Busy (IREQ)50A21Address 2117VCC+5V51VCC+5V18VPP1Programming Voltage (EPROM)52VPP2Programmeing Voltage 2 (EPROM)19A16Address 1653A22Address 2220A15Address

33、 1554A23Address 2321A12Address 1255A24Address 2422A7Address 756A25Address 2523A6Address 657/VS2?RFU24A5Address 558RESET?RESET25A4Address 459/WAIT?WAIT26A3Address 360/INPACK?27A2Address 261/REGRegister Select28A1Address 162/BVD2:SPKRBattery Voltage Detect 2 : SPKR29A0Address 063/BVD1:STSCHGBattery Vo

34、ltage Detect 1 : STSCHG30D0Data 064D8Data 831D1Data 165D9Data 932D2Data 266D10Data 1033/WP:/IOIS16Write Protect : IOIS1667/CD2Card Detect 234GNDGround68GNDGround顯示器連線端的接口為 9插頭：15 針 VGA 顯示接口VGA 是Graphics Adapter(Array) 的縮寫，信號類型為模擬類型，顯示卡端的接口為 15 針母插座：顯示器連線端的接口為 15插頭：引腳定義:第 13 頁2004-9-18PinNameDirDescr

35、iptionPinNameDirDescription1REDRed(75 ohm, 0.7 V p-p)9KEY-Key (No pin)2GREENGreen(75 ohm, 0.7 V p-p)10SGNDSync Ground3BLUEBlue(75 ohm, 0.7 V p-p)11ID0Monitor ID Bit 0PinNameDirDescriptionPin6789NameDirDescription1REDRedRGNDRed Ground2GREENGreenGGNDGreen Ground3BLUEBlueBGNDBlue Ground4HSYNCHorizontal

36、 SyncSGNDSync Ground5VSYNCVertical Sync引腳定義鍵盤接口定義鍵盤接口為 5 針母插座：PC/AT 鍵盤接口的引腳定義：PC/XT 鍵盤接口的引腳定義稍有不同：桿+MIDI 接口定義MIDI 接口和 PC桿接口是共用的，外觀為 15 針母插座：插頭為 15插頭，外觀為：第 14 頁2004-9-18PinNameDescriptionTechnicalPinNameDescriptionTechnical1CLOCKClockCLK/CTS, Open-collectorCLOCKClockCLK/CTS, Open-collector2DATADataRx

37、D/TxD/RTS, Open-collector2DATADataRxD/TxD/RTS, Open-collector3n/cNot connectedReset on some very old keyboards.3ResetReset4GNDGround4GNDGround5VCC+5 VDC5VCC+5 VDC4ID2Monitor ID Bit 212ID1 or SDAMonitor ID Bit 15GNDGround13HSYNC or CSYNCHorizontal Sync (or Comite Sync)6RGNDRed Ground14VSYNCVertical S

38、ync7GGNDGreen Ground15ID3 or SCLMonitor ID Bit 38BGNDBlue Ground引腳定義:PC桿接口PC桿接口為 15 針母插座，外觀為：PC桿為 15插頭，外觀為：第 15 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1+5V+5 VDC9+5V+5 VDC2/B1Button 110/B4Button 43X1Joystick 1 - X11X2Joystick 2 - X4GNDGround12GNDGround5GNDGround13Y2Joystick 2 - Y6Y1Joys

39、tick 1 - Y14/B3Button 37/B2Button 215+5V+5 VDC8+5V+5 VDCPinNameDirDescriptionPinNameDirDescription1+5V+5 VDC9+5V+5 VDC2/B1Button 110/B4Button 43X1Joystick 1 - X11X2Joystick 2 - X4GNDGround12MIDITXDMIDI Transmit5GNDGround13Y2Joystick 2 - Y6Y1Joystick 1 - Y14/B3Button 37/B2Button 215MIDIRXDMIDI Receiv

40、e8+5V+5 VDCPC 并行接口定義PC 并行接口外觀是 25 針母插座：PC 串行口定義PC/AT 機上的串行口是 9插座，引腳定義為：第 16 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1CDCarrier Detect6DSRData Set Ready2RXDReceive Data7RTSRequest to Send3TXDTransmit Data8CTSClear to SendPinNameDirDescriptionPinNameDirDescription1/STROBEStrobe14/AUTOFDAut

41、ofeed2D0Data Bit 015/ERRORError3D1Data Bit 116/INITInitialize4D2Data Bit 217/SELINSelect In5D3Data Bit 318GNDSignal Ground6D4Data Bit 419GNDSignal Ground7D5Data Bit 520GNDSignal Ground8D6Data Bit 621GNDSignal Ground9D7Data Bit 722GNDSignal Ground10/ACKAcknowledge23GNDSignal Ground11BUSYBusy24GNDSign

42、al Ground12PEPr End25GNDSignal Ground13SELSelectPC/XT 機上的串行口是 25插座，引腳定義為：PS/2 鍵盤接口定義PS/2 鍵盤接口為 6 針母插，外觀為：第 17 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1DATAKey Data4VCCer , +5 VDC2n/c-Not connected5CLKClock3GNDGnd6n/c-Not connectedPinNameDirDescriptionPinNameDirDescription1SHIELD-Shield G

43、round14n/c-2TXDTransmit Data15n/c-3RXDReceive Data16n/c-4RTSRequest to Send17n/c-5CTSClear to Send18n/c-6DSRData Set Ready19n/c-7GND-System Ground20DTRDaerminal Ready8CDCarrier Detect21n/c-9n/c-22RIRing Indicator10n/c-23n/c-11n/c-24n/c-12n/c-25n/c-13n/c-4DTRDaerminal Ready9RIRing Indicator5GNDSystem

44、 GroundPS/2 鼠標接口定義PS/2 鼠標接口為 6 針母插，外觀為：RS-232 串行接口定義計算機側為 25插:設備側為 25 針母插:第 18 頁2004-9-18PinNameITU-TDirDescriptionPinNameITU-TDirDescription1GND101Shield Ground14S.TXD?Secondary Transmit Data2TXD103Transmit Data15TCK114TransmisSignal Element Timing3RXD104Receive Data16S.RXD?Secondary Receive Data4R

45、TS105Request to Send17RCK115Receiver Signal Element Timing5CTS106Clear to Send18LL141Local Loop Control6DSR107Data Set Ready19S.RTS?Secondary Request to Send7GND102System Ground20DTR108Daerminal Ready8CD109Carrier Detect21RL140Remooop Control9-22RI125Ring IndicatorPinNameDirDescriptionPinNameDirDesc

46、ription1DATAKey Data4VCCer , +5 VDC2n/c-Not connected5CLKClock3GNDGnd6n/c-Not connectedRS-422 串行口定義計算機側 RS-422 串行接口的插口是 25插：設備側 RS-422 串行接口插頭是 25 針母插：第 19 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1GNDShield Ground20RCReceive Twistair Common2SRISignal Rate Indicator21GNDSpare Twistair Retu

47、rn3n/c-Spare22/SDSend DaPR4SDSend Data23GNDSend Timing TPR5STSend Timing24GNDReceive Timing TPR6RDReceive Data25/RSRequest To Send TPR7RTSRequest To Send26/RTReceive Timing TPR8RRReceiver Ready27/CSClear To Send TPR9CTSClear To Send28ISTerminal In Service10LLLocal Loack29/DMData Mode TPR11DMData Mod

48、em30/TRTerminal Ready TPR12TRTerminal Ready31/RRReceiver TPR13RRReceiver Ready32SSSelect Standby14RLRemooack33SQSignal Quality15ICing Call34NSNew Signal10-23DSR111Data Signal Rate Selector11STF126Select Transmit Channel24XCK113Transmit Signal Element Timing12S.CD?Secondary Carrier Detect25TI142Test

49、Indicator13S.CTS?Secondary Clear to Send25 針外置 SCSI 接口SCSI 是 Small Computer System為母插座：erface 的縮寫，外置式 25 針接口為掃描儀等低速設備使用，接口外觀連接電纜插頭為 25插頭：第 20 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1GNDGround14DB0Data Bus 02DB1Data Bus 115DB2Data Bus 23DB3Data Bus 316DB4Data Bus 44DB5Data Bus 517DB6Data

50、 Bus 65DB7Data Bus 718PARITYData Parity6GNDGround19GNDGround7/SELSelect20/ATNAttention8GNDGround21/MSGMessage9TMPWRTerminationer22/ACKAcknowledge10/RSTReset23BSYBusy11C/DControl/Data24/REQRequest12I/OInput/Output25GNDGround13GNDGround16SF/SRSelect Frequency/Select Rate35/TTTerminal Timing TPR17TTTer

51、minal Timing36SBStandby Indicator18TMTest Mode37SCSend Twistair Common19GNDGroundATA 44 接口ATA 是 AT bus Attaent 的縮寫，由 Conner, Seagate 和 Western Digital 公司開發(fā)，是新版的 IDE接口，ATA 44 接口是 ATA 接口再加上電源等線，主要用于便攜式計算機用 2.5 硬盤，在設備和主板側的外觀為 44 腳插針：ATA 44 電纜外觀為：ATA 44 接口的 1-40 腳的定義同 ATA，41-44 的定義為：ATA 接口ATA 是 AT bus Attaent 的縮寫，由 Conner, Seagate 和 Western Digital 公司開發(fā)，是新版的 IDE接口，ATA 接口在設備和主板側的外觀為 40 腳插針：ATA 電纜外觀為：第 21 頁2004-9-18PinNameDirDescriptionPinNameDirDescription1/RESETReset21DMARQ?DMA Request2GNDGround22GNDGround3DD7Data 723/DIOWWrite Strob