(TXT) View Source
       
       # DYNA MICRO, INC.
       
          MBA-486AI-33, 50
       
          Processor             80486SX/80487SX/80486DX                  
          Processor Speed       16/20/25/33/50MHz                        
          Chip Set              SIS                                      
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256KB                             
          BIOS                  AMI/Award                                
          Dimensions            330mm x 218mm                            
          I/O Options           32-bit external memory card slot         
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose               | Location | Purpose      | Location |
          |-----------------------+----------+--------------+----------|
          | External battery      |   BAT    | Reset switch |   RST    |
          |-----------------------+----------+--------------+----------|
          | 32-bit external       |   CN1    | Speaker      |   SPK    |
          | memory card           |          |              |          |
          |-----------------------+----------+--------------+----------|
          | Power LED & keylock   |   KEY    | Turbo switch |   TSW    |
          |-----------------------+----------+--------------+----------|
          | Turbo LED             |   LED    |              |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | ยป | Power good signal detect from    |  JP1   | pins 1 & 2 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |  JP1   | pins 2 & 3 |
          |   | board                            |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size   |    Bank 0    |  Bank 1   |  Bank 2   |  Bank 3   |
          |---------+--------------+-----------+-----------+-----------|
          |   1MB   | (4) 256K x 9 |   NONE    |   NONE    |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |   2MB   | (4) 256K x 9 | (4) 256K  |   NONE    |   NONE    |
          |         |              |    x 9    |           |           |
          |---------+--------------+-----------+-----------+-----------|
          |   4MB   |  (4) 1M x 9  |   NONE    |   NONE    |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |   6MB   | (4) 256K x 9 | (4) 256K  | (4) 1M x  |   NONE    |
          |         |              |    x 9    |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |   8MB   |  (4) 1M x 9  | (4) 1M x  |   NONE    |   NONE    |
          |         |              |     9     |           |           |
          |---------+--------------+-----------+-----------+-----------|
          |  10MB   | (4) 256K x 9 | (4) 256K  | (4) 1M x  | (4) 1M x  |
          |         |              |    x 9    |     9     |     9     |
          |---------+--------------+-----------+-----------+-----------|
          |  12MB   |  (4) 1M x 9  | (4) 1M x  | (4) 1M x  |   NONE    |
          |         |              |     9     |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |  16MB   |  (4) 1M x 9  | (4) 1M x  | (4) 1M x  | (4) 1M x  |
          |         |              |     9     |     9     |     9     |
          |---------+--------------+-----------+-----------+-----------|
          |  16MB   |  (4) 4M x 9  |   NONE    |   NONE    |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |  18MB   | (4) 256K x 9 | (4) 256K  | (4) 4M x  |   NONE    |
          |         |              |    x 9    |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |  20MB   |  (4) 1M x 9  | (4) 4M x  |   NONE    |   NONE    |
          |         |              |     9     |           |           |
          |---------+--------------+-----------+-----------+-----------|
          |  24MB   |  (4) 1M x 9  | (4) 1M x  | (4) 4M x  |   NONE    |
          |         |              |     9     |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |  32MB   |  (4) 4M x 9  | (4) 4M x  |   NONE    |   NONE    |
          |         |              |     9     |           |           |
          |---------+--------------+-----------+-----------+-----------|
          |  36MB   |  (4) 1M x 9  | (4) 4M x  | (4) 4M x  |   NONE    |
          |         |              |     9     |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |  40MB   |  (4) 1M x 9  | (4) 1M x  | (4) 4M x  | (4) 4M x  |
          |         |              |     9     |     9     |     9     |
          |---------+--------------+-----------+-----------+-----------|
          |  48MB   |  (4) 4M x 9  | (4) 4M x  | (4) 4M x  |   NONE    |
          |         |              |     9     |     9     |           |
          |---------+--------------+-----------+-----------+-----------|
          |  64MB   |  (4) 4M x 9  | (4) 4M x  | (4) 4M x  | (4) 4M x  |
          |         |              |     9     |     9     |     9     |
          |------------------------------------------------------------|
          | Note:Banks 2 and 3 are used when a 32-bit external memory  |
          | card is installed at CN1.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CACHE RESISTOR CONFIGURATION                |
          |------------------------------------------------------------|
          |    Size    |      R1       |      R2       |      R3       |
          |------------+---------------+---------------+---------------|
          |    64KB    |   Installed   | Not installed | Not installed |
          |------------+---------------+---------------+---------------|
          |   128KB    | Not installed |   Installed   | Not installed |
          |------------+---------------+---------------+---------------|
          |   256KB    | Not installed | Not installed |   Installed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Type   | SW1/1  | SW1/2  | SW1/3  | SW1/4 | SW1/5 | SW1/6 |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80486SX |  Off   |  Off   |  Off   |  Off  |  On   |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80487SX |  Off   |   On   |   On   |  On   |  Off  |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80486DX |   On   |   On   |   On   |  On   |  On   |  On   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Speed       |        JP2         |        JP3         |
          |------------------+--------------------+--------------------|
          |      16MHz       | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      20MHz       | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      25MHz       | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      33MHz       | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      50MHz       | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+