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       # AMPTRON INTERNATIONAL, INC.
       
          DX-5300
       
                                                                         
          Processor             80386DX                                  
          Processor Speed       33/40MHz                                 
          Chip Set              C & T                                    
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256KB                             
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           32-bit external memory card slot         
          NPU Options           80387/3167                               
                                                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Speaker      |    J1    | Turbo switch          |    J5    |
          |--------------+----------+-----------------------+----------|
          | Keylock      |    J2    | Power LED             |    J7    |
          |--------------+----------+-----------------------+----------|
          | Reset switch |    J3    | External battery      |   JP2    |
          |--------------+----------+-----------------------+----------|
          | Turbo LED    |    J4    | 32-bit external       |    S1    |
          |              |          | memory card           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |   J6   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |   J6   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Battery select internal        |  JP1   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Battery select external        |  JP1   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | 80387 disabled                 |  JP12  |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | 80387 enabled                  |  JP12  |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | 3167 disabled                  |  JP13  |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | 3167 enabled                   |  JP13  |  pins 1 & 2  |
          |   |                                |        |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |      Mode       |     Bank 0     |     Bank 1     |
          |--------+-----------------+----------------+----------------|
          |  1MB   |      page       |  (4) 256K x 9  |      NONE      |
          |--------+-----------------+----------------+----------------|
          |  2MB   | page-interleave |  (4) 256K x 9  |  (4) 256K x 9  |
          |--------+-----------------+----------------+----------------|
          |  4MB   |      page       |   (4) 1M x 9   |      NONE      |
          |--------+-----------------+----------------+----------------|
          |  5MB   |      page       |   (4) 1M x 9   |  (4) 256K x 9  |
          |--------+-----------------+----------------+----------------|
          |  8MB   | page-interleave |   (4) 1M x 9   |   (4) 1M x 9   |
          |--------+-----------------+----------------+----------------|
          |  16MB  |      page       |   (4) 4M x 9   |      NONE      |
          |--------+-----------------+----------------+----------------|
          |  17MB  |      page       |   (4) 4M x 9   |  (4) 256K x 9  |
          |--------+-----------------+----------------+----------------|
          |  20MB  |      page       |   (4) 4M x 9   |   (4) 1M x 9   |
          |--------+-----------------+----------------+----------------|
          |  32MB  | page-interleave |   (4) 4M x 9   |   (4) 4M x 9   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      128KB       |    (4) 32K x 8     |        NONE        |
          |------------------+--------------------+--------------------|
          |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size   |   JP5    |   JP6    |   JP7   |  JP8   |  JP10  |
          |----------+----------+----------+---------+--------+--------|
          |   64kb   |  1 & 2   |  1 & 2   |  1 & 2  | 1 & 2  | 1 & 2  |
          |----------+----------+----------+---------+--------+--------|
          |  128kb   |  2 & 3   |  1 & 2   |  2 & 3  | 1 & 2  |  Open  |
          |----------+----------+----------+---------+--------+--------|
          |  256kb   |  2 & 3   |  2 & 3   |  2 & 3  | 2 & 3  |  Open  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          |  Size  |  JP11  | JP19  |  JP20  | JP21  |  JP22  |  JP23  |
          |--------+--------+-------+--------+-------+--------+--------|
          |  64kb  |  Open  | 1 & 2 |  Open  | 1 & 2 |  Open  | Closed |
          |--------+--------+-------+--------+-------+--------+--------|
          | 128kb  | Closed | 1 & 2 | Closed | 4 & 5 | Closed |  Open  |
          |--------+--------+-------+--------+-------+--------+--------|
          | 256kb  | Closed | 2 & 3 | Closed | 5 & 6 | Closed | Closed |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+