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

   NCL5127

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

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard Drives Supported: Two MFM ST506/412 drives

   Floppy Drives Supported: None

<gopher://bitreich.org/I/th99/c/M-O/20147-1.png>
   

   +------------------------------------------------------------+
   |                        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     |
   |----------------------------------------------+-------------|
   | 5-pin connector-DC power                     |     CN4     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | BIOS enabled                   |   JP1    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | BIOS disabled                  |   JP1    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP4    | pins 2 & 3 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Head select is 8 or less       |   JP6    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Head select is up to 16        |   JP6    | pins 2 & 3 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               DRIVE TABLE FOR NCL-5127 BIOS                |
   |------------------------------------------------------------|
   |  Drive   | Heads | Cylinders |  Drive  | Heads | Cylinders |
   |  Type #  |       |           | Type #  |       |           |
   |----------+-------+-----------+---------+-------+-----------|
   |    0     |   7   |    699    |    8    |   6   |    640    |
   |----------+-------+-----------+---------+-------+-----------|
   |    1     |   6   |    612    |    9    |   5   |    733    |
   |----------+-------+-----------+---------+-------+-----------|
   |    2     |   4   |    640    |   10    |   7   |    733    |
   |----------+-------+-----------+---------+-------+-----------|
   |    3     |   4   |    612    |   11    |   5   |    830    |
   |----------+-------+-----------+---------+-------+-----------|
   |    4     |   2   |    612    |   12    |   7   |    830    |
   |----------+-------+-----------+---------+-------+-----------|
   |    5     |   2   |    306    |   13    |  10   |    830    |
   |----------+-------+-----------+---------+-------+-----------|
   |    6     |   4   |    320    |   14    |  15   |    918    |
   |----------+-------+-----------+---------+-------+-----------|
   |    7     |   4   |    306    |   15    |   5   |    977    |
   |------------------------------------------------------------|
   | Note:Types 10-15 are supported by Virtual Split only       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DRIVE 0 CONFIGURATION TABLE                 |
   |------------------------------------------------------------|
   | #  |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8 |
   |----+------+------+------+------+------+------+------+------|
   | 0  |closed|closed|closed| open | open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 1  |closed|closed| open | open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 2  |closed| open |closed| open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 3  |closed| open | open | open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 4  | open |closed|closed| open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 5  | open |closed| open | open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 6  | open | open |closed| open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 7  | open | open | open | open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 8  |closed|closed|closed|closed| open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 9  |closed|closed| open |closed| open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 10 |closed| open |closed|closed| open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 11 |closed| open | open |closed| open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 12 | open |closed|closed|closed| open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 13 | open |closed| open |closed| open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 14 | open | open |closed|closed| open | open | open |closed|
   |----+------+------+------+------+------+------+------+------|
   | 15 | open | open | open |closed| open | open | open |closed|
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DRIVE 1 CONFIGURATION TABLE                 |
   |------------------------------------------------------------|
   | #  |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8 |
   |----+------+------+------+------+------+------+------+------|
   | 1  | open | open | open | open |closed|closed| open | open |
   |----+------+------+------+------+------+------+------+------|
   | 2  | open | open | open | open |closed| open |closed| open |
   |----+------+------+------+------+------+------+------+------|
   | 3  | open | open | open | open |closed| open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 4  | open | open | open | open | open |closed|closed| open |
   |----+------+------+------+------+------+------+------+------|
   | 5  | open | open | open | open | open |closed| open | open |
   |----+------+------+------+------+------+------+------+------|
   | 6  | open | open | open | open | open | open |closed| open |
   |----+------+------+------+------+------+------+------+------|
   | 7  | open | open | open | open | open | open | open | open |
   |----+------+------+------+------+------+------+------+------|
   | 8  | open | open | open |closed|closed|closed|closed| open |
   |----+------+------+------+------+------+------+------+------|
   | 9  | open | open | open |closed|closed|closed| open | open |
   +------------------------------------------------------------+