(TXT) View Source
       
       # LEADING EDGE PRODUCTS, INC.
       
          MODEL M (MP1676L)
       
          Processor    8088                                              
          Processor    7.16MHz                                           
          Speed        
          Chip Set     None                                              
          Max. Onboard 256KB                                             
          DRAM         
          Cache        None                                              
          BIOS         Leading Edge                                      
          Dimensions   355mm x 304mm                                     
          I/O Options  Serial port, 32-bit external memory card slot,    
                       floppy drive interface                            
          NPU Options  8087                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Serial port  |    J8    | No connection         |    P6    |
          |--------------+----------+-----------------------+----------|
          | DC power     | P1 & P2  | 32-bit external       |    P7    |
          |              |          | memory card           |          |
          |--------------+----------+-----------------------+----------|
          | Keyboard     |    P3    | Floppy drive          |    P8    |
          | connector    |          | interface             |          |
          |--------------+----------+-----------------------+----------|
          | Power LED    |    P5    |                       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Factory configured - do   |      JP1      |    Open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Serial port select IRQ3   |      JP2      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Serial port select IRQ4   |      JP2      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Serial port select        |   JP3, JP4,   | pins 1 & 2 |
          |   | voltage interface         |  JP5, & JP6   |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Serial port select        |   JP3, JP4,   | pins 2 & 3 |
          |   | current interface         |  JP5, & JP6   |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Serial port select COM1   |     JP10      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Serial port select COM2   |     JP10      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/1     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/3     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/4     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW2/5     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW2/6     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW2/7     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW2/8     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Self test select normal   |     SW3/1     |     On     |
          |   | operation                 |               |            |
          |---+---------------------------+---------------+------------|
          |   | Self test select          |     SW3/1     |    Off     |
          |   | continuously repeating    |               |            |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select       |     SW3/2     |     On     |
          |   | medium resolution         |               |            |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select high  |     SW3/2     |    Off     |
          |   | resolution                |               |            |
          |---+---------------------------+---------------+------------|
          | » | Leading Edge PC advanced  |     SW3/3     |     On     |
          |   | features enabled          |               |            |
          |---+---------------------------+---------------+------------|
          |   | Leading Edge PC advanced  |     SW3/3     |    Off     |
          |   | features disabled         |               |            |
          |---+---------------------------+---------------+------------|
          | » | Serial interface mode     |     SW3/4     |     On     |
          |   | XON/OFF disabled          |               |            |
          |---+---------------------------+---------------+------------|
          |   | Serial interface mode     |     SW3/4     |    Off     |
          |   | XON/OFF enabled           |               |            |
          |---+---------------------------+---------------+------------|
          | » | Self test disabled        |     SW3/5     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Self test enabled         |     SW3/5     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | NPU speed select 8MHz     |     SW3/6     |     On     |
          |---+---------------------------+---------------+------------|
          |   | NPU speed select 5MHz     |     SW3/6     |     On     |
          |---+---------------------------+---------------+------------|
          | » | NPU disabled              |     SW3/7     |     On     |
          |---+---------------------------+---------------+------------|
          |   | NPU enabled               |     SW3/7     |     On     |
          |---+---------------------------+---------------+------------|
          | » | CPU speed select fast     |     SW3/8     |     On     |
          |---+---------------------------+---------------+------------|
          |   | CPU speed select slow     |     SW3/8     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |          Size           |              Bank 0              |
          |-------------------------+----------------------------------|
          |          256KB          |         (9) HM50256P-15          |
          |------------------------------------------------------------|
          | Note:Memory is factory installed and is not configurable.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Size   |  SW1/2  |  SW2/1  |  SW2/2  |  SW2/3  |  SW2/4  |
          |----------+---------+---------+---------+---------+---------|
          |  128KB   |   On    |   On    |   Off   |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |  256KB   |   On    |   On    |   Off   |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |  384KB   |   On    |   On    |   Off   |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |  512KB   |   On    |   On    |   Off   |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |  640KB   |   Off   |   On    |   Off   |   On    |   On    |
          |------------------------------------------------------------|
          | Note:Memory configurations above 256KB must use the        |
          | proprietary memory expansion card.                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |        Size        |       SW2/5       |       SW2/6       |
          |--------------------+-------------------+-------------------|
          |        None        |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |     Monochrome     |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |    40 x 25 CGA     |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |    80 x 25 CGA     |        On         |        Off        |
          +------------------------------------------------------------+