(TXT) View Source
       
       # UNIDENTIFIED
       
          CHARISMA 286 MINI AT
       
          Processor             80286                                    
          Processor Speed       12MHz                                    
          Chip Set              Unidentified                             
          Max. Onboard DRAM     1MB                                      
          Cache                 None                                     
          BIOS                  Award                                    
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80287                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Speaker        |    P1    | Power LED & keylock |    P4    |
          |----------------+----------+---------------------+----------|
          | Turbo LED      |    P2    | External battery    |    P8    |
          |----------------+----------+---------------------+----------|
          | Reset switch   |    P3    |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | CPU speed select          |      J1       | pins 2 & 3 |
          |   | switchable at keyboard    |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Power good signal detect  |     JP14      | pins 1 & 2 |
          |   | from board                |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Power good signal detect  |     JP14      | pins 2 & 3 |
          |   | from power supply         |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | BIOS type select 27128    |      J15      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | BIOS type select 27256    |      J15      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select       |     SW1/6     |    Off     |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select CGA   |     SW1/6     |     On     |
          |   | or EGA                    |               |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      256KB       |     (18) 4164      |     (18) 4164      |
          |------------------+--------------------+--------------------|
          |      512KB       |     (18) 41256     |        none        |
          |------------------+--------------------+--------------------|
          |      640KB       |     (18) 41256     |     (18) 4164      |
          |------------------+--------------------+--------------------|
          |       1MB        |     (18) 41256     |     (18) 41256     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |       Size        |       SW1/3        |       SW1/4       |
          |-------------------+--------------------+-------------------|
          |       256KB       |       Closed       |      Closed       |
          |-------------------+--------------------+-------------------|
          |       512KB       |        Open        |      Closed       |
          |-------------------+--------------------+-------------------|
          |       640KB       |       Closed       |       Open        |
          |-------------------+--------------------+-------------------|
          |        1MB        |        Open        |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               DRAM WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |    Wait states     |        J2         |        J8         |
          |--------------------+-------------------+-------------------|
          |         0          |      Closed       |      Closed       |
          |--------------------+-------------------+-------------------|
          |         1          |       Open        |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          | Speed |       J1        |       J5        |      J11       |
          |-------+-----------------+-----------------+----------------|
          | 6MHz  |   pins 1 & 2    |   pins 1 & 2    |   pins 1 & 2   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 8MHz  |   pins 1 & 2    |   pins 2 & 3    |   pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 10MHz |      Open       |   pins 1 & 2    |   pins 1 & 2   |
          |       |                 |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 12MHz |      Open       |   pins 2 & 3    |   pins 2 & 3   |
          |       |                 |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  NPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |  NPU speed   |  CPU speed   |        J6         |    J7    |
          |--------------+--------------+-------------------+----------|
          |     6MHz     |    10MHz     | pins 2 & 3 closed |  Closed  |
          |--------------+--------------+-------------------+----------|
          |     6MHz     |     8MHz     | pins 2 & 3 closed |  Closed  |
          |--------------+--------------+-------------------+----------|
          |     8MHz     |    12MHz     | pins 2 & 3 closed |  Closed  |
          |--------------+--------------+-------------------+----------|
          |    10MHz     |    10MHz     | pins 1 & 2 closed |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   BATTERY CONFIGURATION                    |
          |------------------------------------------------------------|
          |        Type        |        J12        |        J13        |
          |--------------------+-------------------+-------------------|
          | External alkaline  |       Open        |       Open        |
          |        (6V)        |                   |                   |
          |--------------------+-------------------+-------------------|
          |  External lithium  |       Open        | pins 1 & 2 closed |
          |        (6V)        |                   |                   |
          |--------------------+-------------------+-------------------|
          |  Internal double   | pins 1 & 2 closed |      Closed       |
          | lithium (3V each)  |                   |                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               PROPRIETARY BUS CONFIGURATION                |
          |------------------------------------------------------------|
          |      Bus mode      |       SW1/1        |      SW1/2       |
          |--------------------+--------------------+------------------|
          |         0          |         On         |        On        |
          |--------------------+--------------------+------------------|
          |         1          |        Off         |        On        |
          |--------------------+--------------------+------------------|
          |         2          |         On         |       Off        |
          |--------------------+--------------------+------------------|
          |         3          |        Off         |       Off        |
          +------------------------------------------------------------+