NCL AMERICA
===========

   NCL 5427

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two MFM ST506/412

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/M-O/20151-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                   |  Location   |
   |----------------------------------------------+-------------|
   | 34-pin control cable connector-hard drive    |     CN1     |
   |----------------------------------------------+-------------|
   | 20-pin data cable connector-drive 0          |     CN2     |
   |----------------------------------------------+-------------|
   | 20-pin data cable connector-drive 1          |     CN3     |
   |----------------------------------------------+-------------|
   | 5-pin connector-DC power                     |     CN4     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function           | Location |      Setting      |
   |-----------------------------+----------+-------------------|
   |>> | Supports up to 8 heads  |   JP1    | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | Supports up to 16 heads |   JP1    | pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        BIOS DRIVE TYPE TABLE FOR THE NCL5427 - SW1         |
   |------------------------------------------------------------|
   | Hd/Cyl | # |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 3/1024 | 1 | on  | on  | on  | off | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | off | off | off | off | on  | on  | on  | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 4/612  | 1 | on  | on  | off | off | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | off | off | off | off | on  | on  | on  | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 6/820  | 1 | on  | off | on  | off | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 5/1024 | 1 | on  | off | on  | off | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 4/612  | 1 | off | on  | on  | off | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | off | off | off | off | off | on  | on  | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 8/1024 | 1 | off | on  | off | off | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 4/306  | 1 | off | off | on  | off | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | off | off | off | off | off | off | on  | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 8/615  | 1 | off | off | off | off | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 7/1024 | 1 | on  | on  | on  | on  | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 9/1024 | 1 | on  | on  | off | on  | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 5/695  | 1 | on  | on  | on  | on  | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | on  | on  | off | on  | on  | off | on  | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 6/1024 | 1 | off | on  | off | on  | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 10/823 | 1 | on  | on  | on  | on  | off | off | off | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   |        | 2 | on  | on  | off | on  | off | on  | on  | off |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 4/1024 | 1 | on  | on  | off | on  | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 5/820  | 1 | on  | on  | on  | on  | off | off | off | on  |
   |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
   | 7/820  | 1 | on  | on  | off | on  | off | off | off | on  |
   |------------------------------------------------------------|
   | Note:SW1/switch 8 must be "on" before power-up to enable   |
   | the drive splitting feature.                               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | This controller has a built-in, low-level format program.  |
   |  To enter the program run the DEBUG utility supplied with  |
   |           DOS and at the prompt enter: G=C800:5            |
   +------------------------------------------------------------+