(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PII-129 640K RAM CARD
       
          Card Type              Memory card                             
          Chip Set               Unidentified                            
          Maximum Onboard Memory 640KB RAM (type unidentified)           
          I/O Options            Unidentified                            
          Data Bus               Unidentified                            
       
                                                                   V2641
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            | Label |     Position      |
          |--------------------------------+-------+-------------------|
          | Parity check enabled           |  JP1  | Pins 2 & 3 closed |
          |--------------------------------+-------+-------------------|
          | Parity check disabled          |  JP1  | Pins 1 & 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |     Size     |    Bank 0     |    Bank 1    |    Bank 2    |
          |--------------+---------------+--------------+--------------|
          |    128KB     |     4164      |     4164     |     None     |
          |--------------+---------------+--------------+--------------|
          |    128KB     |     41256     |     None     |     None     |
          |--------------+---------------+--------------+--------------|
          |    384KB     |     41256     |     4164     |     None     |
          |--------------+---------------+--------------+--------------|
          |    384KB     |     41256     |    41256     |     None     |
          |--------------+---------------+--------------+--------------|
          |    512KB     |     41256     |    41256     |     4164     |
          |--------------+---------------+--------------+--------------|
          |    576KB     |     41256     |    41256     |    41256     |
          |--------------+---------------+--------------+--------------|
          |    576KB     |     41256     |    41256     |    41256     |
          |--------------+---------------+--------------+--------------|
          |    640KB     |     41256     |    41256     |    41256     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size      |    SW1/4     |    SW1/5     |    SW1/6     |
          |---------------+--------------+--------------+--------------|
          |     128KB     |     Off      |     Off      |     Off      |
          |---------------+--------------+--------------+--------------|
          |     128KB     |      On      |     Off      |     Off      |
          |---------------+--------------+--------------+--------------|
          |     384KB     |     Off      |      On      |     Off      |
          |---------------+--------------+--------------+--------------|
          |     384KB     |      On      |      On      |     Off      |
          |---------------+--------------+--------------+--------------|
          |     512KB     |     Off      |     Off      |      On      |
          |---------------+--------------+--------------+--------------|
          |     576KB     |      On      |     Off      |      On      |
          |---------------+--------------+--------------+--------------|
          |     576KB     |     Off      |      On      |      On      |
          |---------------+--------------+--------------+--------------|
          |     640KB     |      On      |      On      |      On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |      Note: The diagram is unavailable and the purpose of   |
          |      SW1/1, SW1/2 and SW1/3                                |