PC 机部设备接口引脚定义 （硬盘、软驱、SCSI 接口等）PS/2 键盘接口为 6 针母插，外观为：引脚定义Pin NameDirDescription1DATAKey Data2n/c-Not connected3GNDGnd4VCCPower , +5 VDC5CLKClock6n/c-Not connected8 " 软驱接口定义 8 " 软驱现在找都找不到，不知此档案有没有用，驱动器的接口引脚定义为：PinNameDirDescription2/REDWCReduced Write Current4n/c-Reserved6n/c-Reserved8n/c-Reserved10/FD2SDisk is two sided12/DCGDisk has been changed/door open14/SIDESide select16/DLOCKDoor lock18/HLDHead load20/INDEXIndex Pulse22/READYReady24n/c-Not connected26/SEL1Select Drive 128/SEL2Select Drive 230/SEL3Select Drive 332/SEL4Select Drive 434/DIRDirection36/STEPStep38/WDATWrite data40/WGATWrite gate42/TR00Track 00 (Zero)44/WPROTWrite protect46/RDATARead data48n/c-Not connected50n/c-Not connected软驱接口3.5" 软驱和 5" 软驱连线，外观为：引脚定义PinNameDirDescription2/REDWCDensity Select4n/cReserved6n/cReserved8/INDEXIndex10/MOTEAMotor Enable A12/DRVSBDrive Sel B14/DRVSADrive Sel A16/MOTEBMotor Enable B18/DIRDirection20/STEPStep22/WDATEWrite Data24/WGATEFloppy Write Enable26/TRK00Track 028/WPTWrite Protect30/RDATARead Data32/SIDE1Head Select34/DSKCHGDisk ChangeIDE 接口 IDE 是 Integrated Drive Electronics 的缩写，由 Compaq 和 Western Digital 公司开发，新版的 IDE 命名为 ATA 即 AT bus Attachment，IDE 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PinNameDirDescription1/RESETReset2GNDGround3DD7Data 74DD8Data 85DD6Data 66DD9Data 97DD5Data 58DD10Data 109DD4Data 410DD11Data 1111DD3Data 312DD12Data 1213DD2Data 214DD13Data 1315DD1Data 116DD14Data 1417DD0Data 018DD15Data 1519GNDGround20KEY-Key21n/c-Not connected22GNDGround23/IOWWrite Strobe24GNDGround25/IORRead Strobe26GNDGround27IO_CH_RDY28ALEAddress Latch Enable29n/c-Not connected30GNDGround31IRQRInterrupt Request32/IOCS16?IO ChipSelect 1633DA1Address 134n/c-Not connected35DA0Address 036DA2Address 237/IDE_CS0(1F0-1F7)38/I...
