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       # AMPTRON INTERNATIONAL, INC.
       
          DX-7000 EISA
       
          Processor            80486SX/80487SX/80486DX/ODP486SX/80486DX2 
          Processor Speed      16/20/25/33/50MHz                         
          Chip Set             OPTI                                      
          Max. Onboard DRAM    32MB                                      
          Cache                64/128/256/512KB                          
          BIOS                 AMI                                       
          Dimensions           330mm x 218mm                             
          I/O Options          None                                      
          NPU Options          4167                                      
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Speaker             |    J4    | Reset switch   |    S9    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |    J5    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Monitor type select color        |  JP5   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP5   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP7   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          |   | CPU speed select iOCS/1          |  JP9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CPU speed select iOCS/2          |  JP9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   | TAG (U52)  | TAG (U53)  |
          |--------+------------+------------+------------+------------|
          |  64KB  | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |    NONE    |
          |--------+------------+------------+------------+------------|
          | 128KB  | (4) 32K x  |    NONE    | (1) 8K x 8 |    NONE    |
          |        |     8      |            |            |            |
          |--------+------------+------------+------------+------------|
          | 256KB  | (4) 32K x  | (4) 32K x  | (1) 8K x 8 | (1) 8K x 8 |
          |        |     8      |     8      |            |            |
          |--------+------------+------------+------------+------------|
          | 256KB  | (4) 32K x  | (4) 32K x  | (1) 32K x  |    NONE    |
          |        |     8      |     8      |     8      |            |
          |--------+------------+------------+------------+------------|
          | 512KB  | (4) 128K x |    NONE    | (1) 32K x  |    NONE    |
          |        |     8      |            |     8      |            |
          |------------------------------------------------------------|
          | Note : DIPP sockets U51 & U66 are always filled with (2)   |
          | 64K x 1.                                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |  JP6  | JP11  | JP12  | JP13  | JP14 | JP15 | JP16 |
          |-------+-------+-------+-------+-------+------+------+------|
          | 64KB  | 2 & 3 | Open  | Open  | Open  | Open | Open | Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 128KB | 1 & 2 | Open  | Open  |Closed | Open |Closed| Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 256KB | 2 & 3 | Open  |Closed |Closed |Closed|Closed| Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 512KB | 1 & 2 |Closed |Closed |Closed |Closed|Closed|Closed|
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Type    |           JP8            |        JP10        |
          |------------+--------------------------+--------------------|
          |  80486SX   |    pins 2 & 3 closed     |        Open        |
          |------------+--------------------------+--------------------|
          |  80487SX   | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed  |
          |------------+--------------------------+--------------------|
          |  ODP486SX  | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed  |
          |------------+--------------------------+--------------------|
          |  80486DX   | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed  |
          |------------+--------------------------+--------------------|
          |  80486DX2  | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU SPEED CONFIGURATON                   |
          |------------------------------------------------------------|
          |   Speed    |     JP2     |     JP3     |        JP4        |
          |------------+-------------+-------------+-------------------|
          |   25MHz    |    Open     |    Open     | pins 1 & 2 closed |
          |------------+-------------+-------------+-------------------|
          |   33MHz    |   Closed    |    Open     | pins 1 & 2 closed |
          |------------+-------------+-------------+-------------------|
          |   40MHz    |    Open     |   Closed    | pins 1 & 2 closed |
          |------------+-------------+-------------+-------------------|
          |   50MHz    |   Closed    |   Closed    | pins 1 & 2 closed |
          +------------------------------------------------------------+