UNIDENTIFIED
============

   10MHz/8MHz SYSTEM BOARD

   Processor         8088                                         
   Processor Speed   8/10MHz                                      
   Chip Set          Unidentified                                 
   Max. Onboard DRAM 640KB                                        
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       8087                                         

<gopher://bitreich.org/I/th99/m/U-Z/31850-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | Reset switch       |   JP1    | Speaker         |   JP4    |
   |--------------------+----------+-----------------+----------|
   | Keylock            |   JP2    | Power LED       |   JP7    |
   |--------------------+----------+-----------------+----------|
   | Turbo LED          |   JP3    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             |  Switch   |  Position   |
   |----------------------------------+-----------+-------------|
   |   | NPU enabled                  |   SW1/2   |     Off     |
   |---+------------------------------+-----------+-------------|
   |   | NPU disabled                 |   SW1/2   |     On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   |  256K  | (9) 41256  |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  512K  | (9) 41256  | (9) 41256  |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  640K  | (9) 41256  | (9) 41256  |  (9) 4164  |  (9) 4164  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Size        |       SW1/3       |       SW1/4       |
   |--------------------+-------------------+-------------------|
   |        None        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |       256KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |       640KB        |        Off        |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Speed             |           SW1/1            |
   |-------------------------------+----------------------------|
   |            4.77MHz            |            Off             |
   |-------------------------------+----------------------------|
   |             8MHz              |             On             |
   |-------------------------------+----------------------------|
   |             10MHz             |             On             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MONITOR TYPE SELECTION                   |
   |------------------------------------------------------------|
   |        Type        |       SW1/5       |       SW1/6       |
   |--------------------+-------------------+-------------------|
   |        None        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |   Color 40 x 20    |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |   Color 80 x 25    |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   | Monochrome or both |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 FLOPPY DRIVE CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Number of drives  |       SW1/7       |       SW1/8       |
   |--------------------+-------------------+-------------------|
   |         1          |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |         2          |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |         3          |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |         4          |        Off        |        Off        |
   +------------------------------------------------------------+