MITSUBISHI ELECTRONICS
======================

   MP3300

   Processor    80386SX                                           
   Processor    16MHz                                             
   Speed        
   Chip Set     None                                              
   Max. Onboard 1MB (location unknown)                            
   DRAM         
   Cache        None                                              
   BIOS         Mitsubishi/Phoenix                                
   Dimensions   330mm x 218mm                                     
   I/O Options  32-bit external memory slot, floppy drive         
                interface,                                        
                                                                  
                parallel port, serial port (2)                    
   NPU Options  80387SX                                           

<gopher://bitreich.org/I/th99/m/M-O/31478-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Parallel port  |    P1    | Floppy drive        |    P4    |
   |                |          | interface           |          |
   |----------------+----------+---------------------+----------|
   | Serial port    |    P2    | 32-bit external     |    S1    |
   | (COM1)         |          | memory slot         |          |
   |----------------+----------+---------------------+----------|
   | Serial port    |    P3    |                     |          |
   | (COM2)         |          |                     |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              |   Switch   | Position |
   |------------------------------------+------------+----------|
   |>> | Floppy interface enabled       | SW1/switch |   off    |
   |   |                                |     1      |          |
   |---+--------------------------------+------------+----------|
   |   | Floppy interface disabled      | SW1/switch |    on    |
   |   |                                |     1      |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | SW1/switch |   off    |
   |   | alter                          |     2      |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | SW1/switch |   off    |
   |   | alter                          |     4      |          |
   |---+--------------------------------+------------+----------|
   |>> | I/O bus speed select ATCLK/8   | SW1/switch |    on    |
   |   |                                |     6      |          |
   |---+--------------------------------+------------+----------|
   |   | I/O bus speed select ATCLK/6   | SW1/switch |   off    |
   |   |                                |     6      |          |
   |---+--------------------------------+------------+----------|
   |>> | Keyboard select enhanced       | SW1/switch |    on    |
   |   | enabled                        |     7      |          |
   |---+--------------------------------+------------+----------|
   |   | Keyboard select enhanced       | SW1/switch |   off    |
   |   | disabled                       |     7      |          |
   |---+--------------------------------+------------+----------|
   |>> | Monitor type select monochrome | SW1/switch |   off    |
   |   |                                |     8      |          |
   |---+--------------------------------+------------+----------|
   |   | Monitor type select color      | SW1/switch |    on    |
   |   |                                |     8      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 MEMORY MODE CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Mode   |       Size       | SW1/switch 3  | SW1/switch 5  |
   |---------+------------------+---------------+---------------|
   |   |  A  |   512KB (base)   |      Off      |      On       |
   |---+-----+------------------+---------------+---------------|
   |>> |  C  |   640KB (base)   |      Off      |      Off      |
   |---+-----+------------------+---------------+---------------|
   |   |  D  | 512KB (external) |      On       |      Off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |        COM         |   SW2/switch 1    |   SW2/Switch 2    |
   |--------------------+-------------------+-------------------|
   |>> |      COM1      |        Off        |        On         |
   |---+----------------+-------------------+-------------------|
   |   |      COM2      |        Off        |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    |        On         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |        LPT         |   SW2/switch 3    |   SW2/Switch 4    |
   |--------------------+-------------------+-------------------|
   |>> |      LPT1      |        Off        |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |      LPT2      |        Off        |        On         |
   |---+----------------+-------------------+-------------------|
   |   |      LPT3      |        On         |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    |        On         |        On         |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/M-O/31478-2.png>
   

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Base    | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW6 | SW7 |
   |  Address   |     |     |     |     |     |     |     |     |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     1M     | on  | on  | on  | on  | off | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    1.5M    | on  | on  | on  | on  | off | off | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     2M     | on  | on  | on  | off | on  | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    2.5M    | on  | on  | on  | off | on  | off | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     3M     | on  | on  | on  | off | off | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    3.5M    | on  | on  | on  | off | off | off | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     4M     | on  | on  | off | on  | on  | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    4.5M    | on  | on  | off | on  | on  | off | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     5M     | on  | on  | off | on  | off | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    5.5M    | on  | on  | off | on  | off | off | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |     6M     | on  | on  | off | off | on  | on  | off | off |
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |    6.5M    | on  | on  | off | off | on  | off | off | off |
   |------------------------------------------------------------|
   | Note: Memory expansion board is 4MB.                       |
   +------------------------------------------------------------+