NCL AMERICA

NCL 538, NCL 539

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two AT Interface (IDE) drives

Floppy drives supported: NCL 538: Two 360KB, 720KB, 1.2MB, or 1.44MB

NCL 539: None

Maximum heads/cyl.: 16 heads and 2048 cylinders

[Image]

                                CONNECTIONS

                       Function                             Location

  34-pin control cable connector-floppy drive (NCL            CN1
  538 only)

  40-pin AT Interface (IDE) control cable                     CN2
  connector-internal

  4-pin connector-drive active LED                            CN3

  5-pin connector-DC power                                    JP11

                        USER CONFIGURABLE SETTINGS

                Function                     Location         Setting

  »   Floppy drive port address is             JP1           pins 1 & 2
      3F2-3F7h (538 only)                                      closed

      Floppy drive port address is             JP1           pins 2 & 3
      372-377h (538 only)                                      closed

  »   BIOS address is C800h                    JP2           pins 1 & 2
                                                               closed

      BIOS address is CC00h                    JP2           pins 2 & 3
                                                               closed

  »   Floppy Drive Interrupt is IRQ6           JP3           pins 1 & 2
      (538 only)                                               closed

      Floppy Drive Interrupt is IRQ10          JP3           pins 2 & 3
      (538 only)                                               closed

  »   Floppy Drive DMA Acknowledge is          JP4           pins 1 & 2
      DACK2 (538 only)                                         closed

      Floppy Drive DMA Acknowledge is          JP4           pins 2 & 3
      DACK3 (538 only)                                         closed

  »   IRQ Non-buffered                         JP5           pins 1 & 2
                                                               closed

      IRQ buffered                             JP5           pins 2 & 3
                                                               closed

  »   Floppy Drive DMA Request is DRQ2         JP6           pins 1 & 2
      (538 only)                                               closed

      Floppy Drive DMA Request is DRQ3         JP6           pins 2 & 3
      (538 only)                                               closed

  »   Hard Drive Interrupt is IRQ14            JP7           pins 1 & 2
                                                               closed

      Hard Drive Interrupt is IRQ15            JP7           pins 2 & 3
                                                               closed

  »   Zero wait state enabled                  JP8              open

      Zero wait state disabled                 JP8             closed

  »   BIOS enabled                             JP9             closed

      BIOS disabled                            JP9              open

  »   Hard drive port address is               JP10             open
      1F0-1F7h

      Hard drive port address is               JP10            closed
      170-177h

  »   Normal operation                         JP11             open

      Self-diagnostic mode                     JP11            closed