(TXT) View Source
       
       # NCL AMERICA
       
          NDC 5027
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 8-bit, ISA
       
          Size: Half-length, full-height card
       
          Hard drives supported:  Two MFM ST506/412
       
          Floppy drives supported: None
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                  Functions                   |  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     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Factory configured - do not    | JP1/all  |    N/A     |
          |   | alter                          |          |            |
          |---+--------------------------------+----------+------------|
          | » | Recalibration speed is fast or |   JP4    |    open    |
          |   | normal                         |          |            |
          |---+--------------------------------+----------+------------|
          |   | Recalibration speed is slow    |   JP4    |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Supports up to 8 heads         |   JP6    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Supports up to 16 heads        |   JP6    | pins 2 & 3 |
          |   |                                |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |        BIOS DRIVE TYPE TABLE FOR THE NCL5027 - SW1         |
          |------------------------------------------------------------|
          | Hd/Cyl | # |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 7/699  | 1 | on  | on  | on  | off | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 6/612  | 1 | on  | on  | off | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | on  | on  | off | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 4/640  | 1 | on  | off | on  | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | on  | off | on  | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 4/612  | 1 | on  | off | on  | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | on  | off | on  | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 2/612  | 1 | off | on  | on  | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | off | on  | on  | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 2/306  | 1 | off | on  | off | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | off | on  | off | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 4/320  | 1 | off | off | on  | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | off | off | on  | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 4/306  | 1 | off | off | off | off | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | off | off | off | off | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 6/640  | 1 | on  | on  | on  | on  | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | on  | on  | on  | on  | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 5/733  | 1 | on  | on  | off | on  | N/A | N/A | N/A | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          |        | 2 | N/A | N/A | N/A | on  | on  | on  | off | off |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 7/733  | 1 | on  | off | on  | on  | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 5/830  | 1 | on  | off | off | on  | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 7/830  | 1 | off | on  | on  | on  | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 10/830 | 1 | off | on  | off | on  | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 15/918 | 1 | off | off | on  | on  | N/A | N/A | N/A | on  |
          |--------+---+-----+-----+-----+-----+-----+-----+-----+-----|
          | 5/977  | 1 | off | off | off | on  | N/A | N/A | N/A | on  |
          |------------------------------------------------------------|
          | Note: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        |
          |                                                            |
          | SW1/switch 8 must be "on" before power-up to enable the    |
          | drive splitting feature.                                   |
          +------------------------------------------------------------+