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                                |