(TXT) View Source
       
       # CORONA COMPTER CORPORATION
       
          PORTABLE 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, serial ports (2),     
                           light pen connector                           
          NPU Options      8087                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Serial port       |    J7    | Light pen        |    P2    |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Serial port       |    J8    | Speaker          |    P3    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |    J9    |                  |          |
          | interface         |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured – do not     |  J1   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured – do not     |  J2   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | BIOS type select 8KB            |  JP1  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | BIOS type select 16KB           |  JP1  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Keyboard voltage select 12v     |  JP2  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | Keyboard voltage select 5v      |  JP2  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured – do not     |  P4   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured – do not     |  P5   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | NPU not installed               | S2/1  |      On      |
          |---+---------------------------------+-------+--------------|
          |   | NPU installed                   | S2/1  |     Off      |
          |---+---------------------------------+-------+--------------|
          |   | Floppy drives installed 1       | S2/2  |      On      |
          |---+---------------------------------+-------+--------------|
          |   | Floppy drives installed 2       | S2/2  |     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        |       S2/5        |       S2/6        |
          |--------------------+-------------------+-------------------|
          |       128KB        |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |       256KB        |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |       384KB        |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |       512KB        |        Off        |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     MONITOR SELECTION                      |
          |------------------------------------------------------------|
          |      Setting       |       S2/3        |       S2/4        |
          |--------------------+-------------------+-------------------|
          |        None        |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |  Color (40 x 25)   |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |  Color (80 x 25)   |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |     Monochrome     |        Off        |        Off        |
          +------------------------------------------------------------+