(TXT) View Source
       
       # AMERICAN MEGATRENDS, INC.
       
          AMI 386SX CACHE
       
          Processor             80386SX                                  
          Processor Speed       20/25MHz                                 
          Chip Set              AMI                                      
          Max. Onboard DRAM     8MB                                      
          Cache                 32KB                                     
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387SX                                  
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J2    | Power LED &       |    J6    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Reset switch     |    J4    | Speaker           |    J7    |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |    J5    | Turbo switch      |   J10    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                 ||
          |-----------------------------------------------------------||
          |         Function          | Jumper/Switch |   Position    ||
          |---------------------------+---------------+---------------||
          | » | Battery select        |      J1       |    Closed     ||
          |   | internal              |               |               ||
          |---+-----------------------+---------------+---------------||
          |   | Battery select        |      J1       |     Open      ||
          |   | external              |               |               ||
          |---+-----------------------+---------------+---------------||
          |   | DRAM address sequence |      J3       | pins 1 & 2, 3 ||
          |   | select bank 1, then   |               |  & 4 closed   ||
          |   | bank 2                |               |               ||
          |---+-----------------------+---------------+---------------||
          |   | DRAM address sequence |      J3       | pins 2 & 3, 4 ||
          |   | select bank 2, then   |               |  & 5 closed   ||
          |   | bank 1                |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | Factory configured -  |      J8       |      N/A      ||
          |   | do not alter          |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | CMOS memory normal    |      J9       |     Open      ||
          |   | operation             |               |               ||
          |---+-----------------------+---------------+---------------||
          |   | CMOS memory clear     |      J9       |    Closed     ||
          |---+-----------------------+---------------+---------------||
          | » | Factory configured -  |      J11      |      N/A      ||
          |   | do not alter          |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | Factory configured -  |      J12      |      N/A      ||
          |   | do not alter          |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | Factory configured -  |      J13      |      N/A      ||
          |   | do not alter          |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | Factory configured -  |     SW1/1     |      Off      ||
          |   | do not alter          |               |               ||
          |---+-----------------------+---------------+---------------||
          | » | Monitor type select   |     SW1/2     |      Off      ||
          |   | monochrome            |               |               ||
          |---+-----------------------+---------------+---------------||
          |   | Monitor type select   |     SW1/2     |      On       ||
          |   | color                 |               |               ||
          |---+--------------------------------------------------------|
          |   | Note : Cache is factory installed , and is not         |
          |   | configurable. The size and location of cache and tag   |
          |   | are unidentified.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 1       |       Bank 2       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          +------------------------------------------------------------+