NCL AMERICA

NCL 5525, NCL 5526

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two ST506/412 MFM drives

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

NCL 5526: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 control cable connector-floppy drive (NCL 5525         CN4
  only)

  4-pin connector-DC power                                      CN5

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

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

      Hard drive address is 170-177h          JP0             closed

  »   Floppy drive address is              JP1 & JP4           open
      3F2-3F7h

      Floppy drive address is              JP1 & JP4          closed
      372-377h

  »   Factory configured - do not             JP3               N/A
      alter

  »   Factory configured - do not             JP5            pins 2 & 3
      alter                                                   closed