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       # COLUMBIA DATA PRODUCTS, INC.
       
          MPC 1600-X
       
          Data Bus                8-bit ISA                              
          Card Size               Full-length, full-height card          
          Hard Drives supported   Two ST-506(MFM) drives                 
          Floppy drives supported None                                   
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Location |   Function   | Location |
          |-----------------------+----------+--------------+----------|
          | 34-pin cable          |    J1    | 20-pin data  |    J3    |
          | connector - control   |          | cable        |          |
          | cable                 |          | connector -  |          |
          |                       |          | drive 1      |          |
          |-----------------------+----------+--------------+----------|
          | 20-pin data cable     |    J2    | 20-pin cable |    J4    |
          | connector - drive 0   |          | connector -  |          |
          |                       |          | test only    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                  |
          |------------------------------------------------------------|
          |                Function                | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Host ROM address enabled           |  PD   |  Closed   |
          |---+------------------------------------+-------+-----------|
          |   | Host ROM address disabled          |  PD   |   Open    |
          +------------------------------------------------------------+
       
       +------------------------------------------------------------------+
       |                   DRIVE JUMPER CONFIGURATION                     |
       |------------------------------------------------------------------|
       |Type|Heads|Cylinders|Platters|Capacity|JP1/1 |JP1/2 |JP1/3 |JP1/4 |
       |----+-----+---------+--------+--------+------+------+------+------|
       | 0  |  2  |   612   |   1    |  12MB  |Closed|Closed|Closed|Closed|
       |----+-----+---------+--------+--------+------+------+------+------|
       | 1  |  8  |   375   |   4    |  25MB  | Open |Closed| Open |Closed|
       |----+-----+---------+--------+--------+------+------+------+------|
       | 2  |  6  |   306   |   3    |  15MB  |Closed| Open |Closed| Open |
       |----+-----+---------+--------+--------+------+------+------+------|
       | 3  |  4  |   306   |   2    |  12MB  | Open | Open | Open | Open |
       |------------------------------------------------------------------|
       | Note: The jumpers JP1/1 & JP1/2 are assigned to connector J2 and |
       |     the jumpers JP1/3 & JP1/4 are assigned to connector J3.      |
       +------------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                HOST ROM ADDRESS SELECTION                  |
          |------------------------------------------------------------|
          |   Address    |   8F-1    |   8F-2    |   8F-3   |   8F-4   |
          |--------------+-----------+-----------+----------+----------|
          | » | C8000h   |    Off    |    Off    |    On    |    On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                HOST BASE ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |     Setting      |   8F-5   |   8F-6   |  8F-7   |  8F-8   |
          |------------------+----------+----------+---------+---------|
          | »    |   320h    |   Off    |    On    |   On    |   On    |
          |------------------------------------------------------------|
          |      Note: The controller Base Address is set using the    |
          |      upper half of DIP switch 8F. The switch is preset at  |
          |      the factory for base address 320 Hex.                 |
          +------------------------------------------------------------+