
NCL AMERICA

NCL 525

  Data bus:                16-bit, ISA

  Size:                    Three/quarter-length, full-height card

  Hard drive supported:    Four IDE(AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  40-pin IDE(AT) Interface connector - IDE-0              J5

  40-pin IDE(AT) Interface connector - IDE-1              J6

  34-pin control cable connector - floppy drive           J3

  4-pin connector - Drive active LED                      J4

                               BIOS ADDRESS

          Address                 Jumper JP8             Jumper JP8A

            C800h                   open                   open

             CC00h                  closed                  open

             D800h                   open                  closed

             DC00h                  closed                 closed

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     DMA Request channel is DRQ2             JP1            Pins 1 & 2
                                                               closed

      DMA Request channel is DRQ3             JP1            Pins 2 & 3
                                                               closed

     DMA Acknowledge channel is              JP2            Pins 1 & 2
      DACK2                                                    closed

      DMA Acknowledge channel is              JP2            Pins 2 & 3
      DACK3                                                    closed

     IDE-0 Hard Drive interrupt is           JP3            Pins 1 & 2
      IRQ14                                                    closed

      IDE-0 Hard Drive interrupt is           JP3            Pins 2 & 3
      IRQ11                                                    closed

     IDE-1 Hard Drive interrupt is           JP4            Pins 1 & 2
      IRQ15                                                    closed

      IDE-1 Hard Drive interrupt is           JP4            Pins 2 & 3
      IRQ12                                                    closed

     IDE-0 IRQ Buffer mode disabled          JP5            Pins 1 & 2
                                                               closed

      IDE-0 IRQ Buffer mode enabled           JP5            Pins 2 & 3
                                                               closed

     IDE-0 I/O Channel Ready                 JP6               open
      disabled

      IDE-0 I/O Channel Ready                 JP6              closed
      enabled

     IDE-1 I/O Channel Ready                 JP7               open
      disabled

      IDE-1 I/O Channel Ready                 JP7              closed
      enabled

     Floppy drive interrupt is IRQ6          JP9            Pins 1 & 2
                                                               closed

      Floppy drive interrupt is               JP9            Pins 2 & 3
      IRQ10                                                    closed

     Floppy drive port address is           JP10              closed
      3F2-3F7h

      Floppy drive port address is           JP10               open
      372-377h

     IDE-0 normal operation mode            JP11               open
      enabled

      IDE-0 diagnostic mode enabled          JP11              closed

     IDE-1 normal operation mode            JP12               open
      enabled

      IDE-1 diagnostic mode enabled          JP12              closed

     IDE-1 IRQ Buffer mode disabled         JP13            Pins 1 & 2
                                                               closed

      IDE-1 IRQ Buffer mode enabled          JP13            Pins 2 & 3
                                                               closed

     Floppy drive enabled                   JP14               open

      Floppy drive disabled                  JP14              closed

