(TXT) View Source
       
       # EVEREX SYSTEMS, INC.
       
          MAXLOGIC 486DX-33 (EV-18193)
       
          Processor         80486SX/80486DX/80486DX2                     
          Processor Speed   25/33/50(internal)/50/66(internal)MHz        
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256/512KB                             
          BIOS              Unidentified                                 
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       4167                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J1    | Reset switch     |    J4    |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |    J2    | Turbo LED        |   JP1    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J3    | External battery |   JP5    |
          | keylock           |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Jumper  | Position |
          |---------------------------------------+---------+----------|
          | » | Factory configured - do not alter |   JP2   |   N/A    |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   JP3   |   N/A    |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   JP4   |   N/A    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (8) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (8) 8K x 8   |  (8) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (8) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   512KB    |  (8) 32K x 8  |  (8) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |  JP6   |      JP7       |  JP8   |  JP9   |  JP10  |
          |-------+--------+----------------+--------+--------+--------|
          | 64KB  |  Open  |   pins 2 & 3   |  Open  |  Open  |  Open  |
          |       |        |     closed     |        |        |        |
          |-------+--------+----------------+--------+--------+--------|
          | 128KB | Closed |   pins 2 & 3   |  Open  |  Open  | Closed |
          |       |        |     closed     |        |        |        |
          |-------+--------+----------------+--------+--------+--------|
          | 256KB | Closed |   pins 2 & 3   |  Open  | Closed | Closed |
          |       |        |     closed     |        |        |        |
          |-------+--------+----------------+--------+--------+--------|
          | 512KB | Closed |   pins 1 & 2   | Closed | Closed | Closed |
          |       |        |     closed     |        |        |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | Note: The orientation of pin 1 is unidentified.            |
          +------------------------------------------------------------+