CORONA COMPTER CORPORATION
==========================

   DESKTOP PC

   Processor        8088                                          
   Processor Speed  Unidentified                                  
   Chip Set         Unidentified                                  
   Video Chip Set   Unidentified                                  
   Maximum Onboard  512KB                                         
   Memory           
   Maximum Video    Unidentified                                  
   Memory           
   Cache            None                                          
   BIOS             Unidentified                                  
   Dimensions       355mm x 304mm                                 
   I/O Options      Floppy drive interface, parallel port, serial 
                    ports (3), light pen connector, VGA port      
   NPU Options      8087                                          

<gopher://bitreich.org/I/th99/m/C-D/34218-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | Speaker              |    P2    | VGA port      |    J7    |
   |----------------------+----------+---------------+----------|
   | Light pen connector  |    P3    | Serial port   |    J8    |
   |----------------------+----------+---------------+----------|
   | Floppy drive         |    P4    | Parallel port |    J9    |
   | interface            |          |               |          |
   |----------------------+----------+---------------+----------|
   | Serial port          |    J5    | Reset switch  |    S2    |
   |----------------------+----------+---------------+----------|
   | Serial port          |    J6    |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |   | BIOS type select 8KB              |  JP1  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |   | BIOS type select 16KB             |  JP1  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | Graphics memory located in second |  JP2  | Pins 1 & 3 |
   |   | 256KB                             |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Graphics memory located in first  |  JP2  | Pins 2 & 4 |
   |   | 256KB                             |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Keyboard voltage select 12v       |  JP3  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Keyboard voltage select 5v        |  JP3  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | NPU not installed                 | S1/1  |     On     |
   |---+-----------------------------------+-------+------------|
   |   | NPU installed                     | S1/1  |    Off     |
   |---+-----------------------------------+-------+------------|
   |   | Floppy drives installed 1         | S1/2  |     On     |
   |---+-----------------------------------+-------+------------|
   |   | Floppy drives installed 2         | S1/2  |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |   Bank 0   |   Bank 1   |   Bank 2   |  Bank 3   |
   |---------+------------+------------+------------+-----------|
   |  128KB  | (16) 4164  |    None    |    None    |   None    |
   |---------+------------+------------+------------+-----------|
   |  256KB  | (16) 4164  | (16) 4164  |    None    |   None    |
   |---------+------------+------------+------------+-----------|
   |  384KB  | (16) 4164  | (16) 4164  | (16) 4164  |   None    |
   |---------+------------+------------+------------+-----------|
   |  512KB  | (16) 4164  | (16) 4164  | (16) 4164  | (16) 4164 |
   |------------------------------------------------------------|
   | Note: The location of banks 0, 1, 2 & 3 are unidentified.  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Size        |       S1/5        |       S1/6        |
   |--------------------+-------------------+-------------------|
   |       128KB        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |       256KB        |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |       384KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     MONITOR SELECTION                      |
   |------------------------------------------------------------|
   |      Setting       |       S1/3        |       S1/4        |
   |--------------------+-------------------+-------------------|
   |        None        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |  Color (40 x 25)   |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |  Color (80 x 25)   |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |     Monochrome     |        Off        |        Off        |
   +------------------------------------------------------------+