NCL AMERICA

NCL 540, NCL 541

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: NCL 540: Two 360KB, 720KB, 1.2MB, or 1.44MB

NCL 541: None

Maximum heads/cyl.: 16 heads and 2048 cylinders

[Image]

                                CONNECTIONS

                       Function                             Location

  34-pin data cable connector-floppy drive (NCL 540            CN1
  only)

  50-pin SCSI connector-internal                               CN2

  25-pin SCSI connector-external                               CN3

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy drive port address is            JP1            pins 1 & 2
      3F2-3F7h (540 only)                                     closed

      Floppy drive port address is            JP1            pins 1 & 2
      372-377h (540 only)                                      open

  »   Factory configured - do not             JP1            pins 3 & 4
      alter                                                   closed

  »   Zero wait state disabled                JP5              open

      Zero wait state enabled                 JP5             closed

                             INTERRUPT REQUEST

  IRQ                   Jumper JP2        Jumper JP3        Jumper JP4

  »       IRQ 2            open              open             closed

          IRQ5             open             closed             open

          IRQ7            closed             open              open

                               BIOS ADDRESS

       Address           Jumper JP6        Jumper JP7       Jumper JP8

  »       C800h             open              open            closed

          CC00h            closed             open            closed

          D800h             open              open             open

          DC00h            closed             open             open

          E000h             open             closed            open

          E400h            closed            closed            open

          D000h             open             closed           closed

          D400h            closed            closed           closed