
NCL AMERICA

NCL527

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard Drives Suppported: Two AT Interface (IDE) drives

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

[Image]

                        CONNECTIONS

                 Functions                     Location

  40-pin connector-IDE(AT) Interface             CN1

  34-pin data cable connector-floppy drive       CN2

  5-pin connector-DC power                       PWR

  4-pin connector-drive active LED               LED

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     IOCHRDY connected to CN1, Pin          JP1             pins 1 & 2
      27                                                      closed

      IOCHRDY connected to CN1, Pin          JP1             pins 2 & 3
      21                                                      closed

      IOCHRDY not connected                  JP1               open

     IRQ14 connected directly to            JP3             pins 2 & 3
      bus                                                     closed

      IRQ14 enabled by pin 39 high           JP3             pins 1 & 2
                                                              closed

      IRQ14 not connected to bus             JP3               open

                            DRIVE PORT ADDRESS

  Hard Drive Address     Floppy Drive    JP2/pins 1 & 2   JP2/pins 3 & 4
                           Address

        1F0-1F7h         3F0-3F7h            open             open

         170-177h         370-377h            open            closed

         1F0-1F7h         Disabled           closed           closed

         Disabled         3F0-3F7h           closed            open

