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       # MAGITRONICS
       
          A-B248
       
                                                                         
          Processor             80286                                    
          Processor Speed       12MHz                                    
          Chip Set              None                                     
          Max. Onboard DRAM     4MB                                      
          Cache                 None                                     
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80287                                    
                                                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J1    | Turbo switch     |    J4    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J2    | Turbo LED        |    J5    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J3    | External battery |    P7    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |   P6   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |   P6   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0 | Bank  | Bank 2 |   P2   | Bank 3 |   P3   |
          |       |        |   1   |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          | 512KB |  NONE  | NONE  |  (4)   |  (2)   |  NONE  |  NONE  |
          |       |        |       | 44256  | 41256  |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          | 512KB |  (2)   | NONE  |  NONE  |  NONE  |  NONE  |  NONE  |
          |       | 256K x |       |        |        |        |        |
          |       |   9    |       |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          |  1MB  |  NONE  | NONE  |  (4)   |  (2)   |  (4)   |  (2)   |
          |       |        |       | 44256  | 41256  | 44256  | 41256  |
          |-------+--------+-------+--------+--------+--------+--------|
          |  1MB  |  (2)   |  (2)  |  NONE  |  NONE  |  NONE  |  NONE  |
          |       | 256K x | 256K  |        |        |        |        |
          |       |   9    |  x 9  |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          |  2MB  | (2) 1M | NONE  |  NONE  |  NONE  |  NONE  |  NONE  |
          |       |  x 9   |       |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          |  4MB  | (2) 1M |  (2)  |  NONE  |  NONE  |  NONE  |  NONE  |
          |       |  x 9   | 1M x  |        |        |        |        |
          |       |        |   9   |        |        |        |        |
          +------------------------------------------------------------+