(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PEI-303
       
          Card Type          Memory card                                 
          Chipset Controller N/A                                         
          I/O Options        Memory                                      
          Maximum DRAM       8MB                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | 80-pin memory     |    J1    | 8-pin memory     |    J4    |
          | board interface   |          | board interface  |          |
          |------------------------------------------------------------|
          | Note: J1 & J2 are for installation of a second memory      |
          | board to the PEI-303.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                DRAM CHIP SIZE CONFIGURATION                |
          |------------------------------------------------------------|
          |        Chip        |       W1/3       |         W2         |
          |--------------------+------------------+--------------------|
          |       256KB        |       Off        | Pins 2 & 3 closed  |
          |--------------------+------------------+--------------------|
          |        1MB         |        On        | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |   (36) 256K x 1    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |   (36) 256K x 1    |   (36) 256K x 1    |
          |------------------+--------------------+--------------------|
          |       4MB        |   (36) 1024K x 1   |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |   (36) 1024K x 1   |   (36) 1024K x 1   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             FACTORY CONFIGURED - DO NOT ALTER              |
          |------------------------------------------------------------|
          |           Switch            |           Position           |
          |-----------------------------+------------------------------|
          |            W1/1             |             Off              |
          |-----------------------------+------------------------------|
          |            W1/2             |             Off              |
          |-----------------------------+------------------------------|
          |            W1/4             |             Off              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | The second memory board is restricted to use only 1MB DRAM |
          | chips when connected to the PEI-303 board.                 |
          +------------------------------------------------------------+