DELL COMPUTER CORPORATION

IDE CONTROLLER REV. 1

 Data bus:                  16-bit, ISA

 Size:                      Half-length, half-height card

 Hard drive supported:      Two IDE (AT) Interface drives

 Floppy drives supported:   Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                            CONNECTIONS

                   Function                          Location

  34-pin control cable connector-floppy drive          CN1

  40-pin AT Interface (IDE) connector                  CN2

  4-pin connector-Drive active LED                     CN3

                        USER CONFIGURABLE SETTINGS

               Function
                                           Location
                                                              Setting

  »
      Floppy drive enabled
                                              JF1
                                                                open


      Floppy drive disabled
                                              JF1
                                                               closed

  »
      Hard drive enabled
                                          JHD1 & JHD2
                                                                open


      Hard drive disabled
                                          JHD1 & JHD2
                                                               closed

  »
      Interrupt Request IRQ14
      enabled
                                             JIRQ
                                                             pins 1 & 2
                                                               closed


      Interrupt Request IRQ14
      disabled
                                             JIRQ
                                                             pins 2 & 3
                                                               closed