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