2016-2017年3.5寸台式机硬盘IDE接口定义

2016-2017年3.5寸台式机硬盘IDE接口定义 ATA是AT bus Attachment 的缩写，由 Conner, Seagate 和 Western Digital 公司开发，是新版的 IDE 接口，ATA 接口在设备和主板侧的外观为40脚插针: Pin Name Description Pin Name Description 1 /RESET Reset 21 DMARQ DMA Request 2 GND Ground 22 GND Ground 3 DD7 Data 7 23 /DIOW Write Strobe 4 DD8 Data 8 24 GND Ground 5 DD6 Data 6 25 /DIOR Read Strobe 6 DD9 Data 9 26 GND Ground 7 DD5 Data 5 27 IORDY I/O Ready 8 DD10 Data 10 28 SPSYNC:CSEL Spindle Sync or Cable Select 9 DD4 Data 4 29 /DMACK DMA Acknowledge 10 DD11 Data 11 30 GND Ground 11 DD3 Data 3 31 INTRQ Interrupt Request 12 DD12 Data 12 32 /IOCS16 IO ChipSelect 16 13 DD2 Data 2 33 DA1 Address 1 14 DD13 Data 13 34 PDIAG Passed Diagnostics 15 DD1 Data 1 35 DA0 Address 0 16 DD14 Data 14 36 DA2 Address 2 17 DD0 Data 0 37 /IDE_CS0 (1F0-1F7) 18 DD15 Data 15 38 /IDE_CS1 (3F6-3F7) 19 GND Ground 39 /ACTIVE Led driver 20 KEY Key (Pin missing) 40 GND Ground