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       # SIEMENS NIXDORF INFORMATIONSSYSTEME AG
       
          486 MODEL 402
       
                                                                         
          Processor        80486DX                                       
          Processor Speed  25MHz                                         
          Chip Set         Unidentified                                  
          Max. Onboard     None (4/8/16MB on 32-bit external memory      
          DRAM             cards)                                        
          Cache            None                                          
          BIOS             Phoenix                                       
          Dimensions       355.6mm x 304mm                               
          I/O Options      Floppy drive interface, parallel port, mouse  
                           port, serial ports (2), 32-bit external       
                           memory card slots (4)                         
          NPU Options      None                                          
                                                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Mouse port     |    J3    | Floppy connecter    |   J22    |
          |----------------+----------+---------------------+----------|
          | Parallel port  |    J4    | Auxillary power     |  J23 &   |
          |                |          | connecter           |   J25    |
          |----------------+----------+---------------------+----------|
          | Serial port 1  |    J5    | Auxillary front     |  J24 &   |
          |                |          | panel connecter     |   J26    |
          |----------------+----------+---------------------+----------|
          | Serial port 2  |    J6    | 32-bit external     | S1 - S4  |
          |                |          | memory cards        |          |
          |----------------+----------+---------------------+----------|
          | Front panel    |   J16    |                     |          |
          | connecter      |          |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function           | Jumper  |     Position      |
          |------------------------------+---------+-------------------|
          | » | Password enabled         |   JP1   | pins 2 & 3 closed |
          |---+--------------------------+---------+-------------------|
          |   | Password disabled        |   JP1   | pins 1 & 2 closed |
          |---+--------------------------+---------+-------------------|
          | » | BIOS type select 27256   |   JP2   | pins 1 & 2 closed |
          |---+--------------------------+---------+-------------------|
          |   | BIOS type select 27512   |   JP2   | pins 2 & 3 closed |
          +------------------------------------------------------------+