ATA訊號

ATA 訊號

    BIT7: BSY (busy)
    BIT6: DRDY (device ready)
    BIT5: DF (Device Fault)
    BIT4: DSC 或DRSC (seek complete)
    BIT3: DRQ (Data Transfer Requested)
    BIT2: CORR (data corrected)
    BIT1: IDX (index mark)
    BIT0: ERR (error)