NCL AMERICA

NCL 5525-50, NCL 5526-50

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two ST506/412 MFM drives

Floppy drives supported: NCL 5525-50:Two 360KB, 720KB, 1.2MB, or 1.44MB

NCL 5526-50:None

Maximum heads/cyl.: 16 heads and 2048 cylinders

[Image]

                                CONNECTIONS

  34-pin control cable connector-hard drive                     CN1

  20-pin data cable connector-drive 0                           CN2

  20-pin data cable connector-drive 1                           CN3

  34-pin data cable connector-floppy drive (NCL 5355            CN4
  only)

  4-pin connector-drive active LED                              CN5

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Hard drive port address is              JP0              open
      1F0-1F7h

      Hard drive port address is              JP0             closed
      170-177h

  »   Factory configured - do not             JP1              open
      alter

  »   LED always lit once unit is             JP2              open
      selected

      LED is lit only during access           JP2             closed

  »   Factory configured - do not             JP3              open
      alter

  »   Floppy drive port address is            JP4             closed
      3F0-3F7h

      Floppy drive port address is            JP4              open
      370-377h

  »   Factory configured - do not             JP5              open
      alter