(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          GRAFIKA 3B/KEEN-2531
       
          Processor         80386SX                                      
          Processor Speed   25MHz                                        
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 16MB (8MB on external memory card)           
          Cache             None                                         
          BIOS              DTK                                          
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card (PEI-307)        
          NPU Options       80387SX/3167                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose     | Location | Purpose                | Location |
          |-------------+----------+------------------------+----------|
          | Power LED & |    J1    | Turbo switch           |    J4    |
          | keylock     |          |                        |          |
          |-------------+----------+------------------------+----------|
          | Speaker     |    J2    | Reset switch           |    J5    |
          |-------------+----------+------------------------+----------|
          | Turbo LED   |    J3    | 32-bit system memory   |   SL1    |
          |             |          | card                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/7     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Page interleave mode      |     SW1/8     |     On     |
          |   | enabled                   |               |            |
          |---+---------------------------+---------------+------------|
          |   | Page mode enabled         |     SW1/8     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | NPU disabled              |      W1       | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | NPU enabled               |      W1       | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |      W2       | pins 1 & 2 |
          |   | monochrome                |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select color |      W2       | pins 2 & 3 |
          |   |                           |               |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size   |   Bank 0   |   Bank 1   |   Bank 2   |  Bank 3  |
          |----------+------------+------------+------------+----------|
          |   1MB    | (4) 256K x |    NONE    |    NONE    |   NONE   |
          |          |     9      |            |            |          |
          |----------+------------+------------+------------+----------|
          |   2MB    | (4) 256K x | (4) 256K x |    NONE    |   NONE   |
          |          |     9      |     9      |            |          |
          |----------+------------+------------+------------+----------|
          |   3MB    | (4) 256K x | (4) 256K x | (4) 256K x |   NONE   |
          |          |     9      |     9      |     9      |          |
          |----------+------------+------------+------------+----------|
          | 4MB (A)  | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K |
          |          |     9      |     9      |     9      |   x 9    |
          |----------+------------+------------+------------+----------|
          | 4MB (B)  | (4) 1M x 9 |    NONE    |    NONE    |   NONE   |
          |----------+------------+------------+------------+----------|
          |   5MB    | (4) 1M x 9 | (4) 256K x |    NONE    |   NONE   |
          |          |            |     9      |            |          |
          |----------+------------+------------+------------+----------|
          |   6MB    | (4) 256K x | (4) 256K x | (4) 1M x 9 |   NONE   |
          |          |     9      |     9      |            |          |
          |----------+------------+------------+------------+----------|
          |   7MB    | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 256K |
          |          |     9      |     9      |            |   x 9    |
          |----------+------------+------------+------------+----------|
          |   8MB    | (4) 1M x 9 | (4) 1M x 9 |    NONE    |   NONE   |
          |----------+------------+------------+------------+----------|
          |   9MB    | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |   NONE   |
          |          |            |            |     9      |          |
          |----------+------------+------------+------------+----------|
          |   10MB   | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K |
          |          |            |            |     9      |   x 9    |
          |----------+------------+------------+------------+----------|
          |   12MB   | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |   NONE   |
          |----------+------------+------------+------------+----------|
          |   13MB   | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K |
          |          |            |            |            |   x 9    |
          |----------+------------+------------+------------+----------|
          |   16MB   | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x |
          |          |            |            |            |    9     |
          |------------------------------------------------------------|
          | Note: Banks 2 & 3 are located on the external memory card. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |    Size    |   SW1/1   |   SW1/2   |   SW1/3   |   SW1/4   |
          |------------+-----------+-----------+-----------+-----------|
          |    Size    |    Off    |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    1MB     |    On     |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    2MB     |    Off    |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    3MB     |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |  4MB (A)   |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  4MB (B)   |    Off    |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    5MB     |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    6MB     |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    7MB     |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    8MB     |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    9MB     |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    10MB    |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    12MB    |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    13MB    |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    16MB    |    On     |    On     |    On     |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               DRAM WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |  Write wait state   | Read wait state |  SW1/5   |  SW1/6  |
          |---------------------+-----------------+----------+---------|
          | »       |     1     |        2        |    On    |   Off   |
          |---------+-----------+-----------------+----------+---------|
          | »       |     1     |        3        |   Off    |   On    |
          |---------+-----------+-----------------+----------+---------|
          | »       |     2     |        3        |    On    |   On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |             Speed             |             J4             |
          |-------------------------------+----------------------------|
          |            12.5MHz            |     pins 1 & 2 closed      |
          |-------------------------------+----------------------------|
          |    Controlled by keyboard     |     pins 2 & 3 closed      |
          |-------------------------------+----------------------------|
          |             25MHz             |            Open            |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Size  |  W1   |  W2  |   W3   |  W4  |  W5  |  W6  |  W7  |
          |--------+-------+------+--------+------+------+------+------|
          |  1MB   |  N/A  | N/A  |  Open  | N/A  | N/A  | N/A  | N/A  |
          |--------+-------+------+--------+------+------+------+------|
          |  2MB   |  N/A  | N/A  |  Open  | N/A  | N/A  | N/A  | N/A  |
          |--------+-------+------+--------+------+------+------+------|
          |  3MB   | 2 & 3 | N/A  | Closed | 2 &  | N/A  | 2 &  | N/A  |
          |        |       |      |        |  3   |      |  3   |      |
          |--------+-------+------+--------+------+------+------+------|
          |  4MB   | 2 & 3 | 2 &  |  Open  | 2 &  | 2 &  | 2 &  | 2 &  |
          |  (A)   |       |  3   |        |  3   |  3   |  3   |  3   |
          |--------+-------+------+--------+------+------+------+------|
          |  4MB   |  N/A  | N/A  | Closed | N/A  | N/A  | N/A  | N/A  |
          |  (B)   |       |      |        |      |      |      |      |
          |--------+-------+------+--------+------+------+------+------|
          |  5MB   |  N/A  | N/A  |  Open  | N/A  | N/A  | N/A  | N/A  |
          |--------+-------+------+--------+------+------+------+------|
          |  6MB   | 2 & 3 | N/A  | Closed | 2 &  | N/A  | 2 &  | N/A  |
          |        |       |      |        |  3   |      |  3   |      |
          |--------+-------+------+--------+------+------+------+------|
          |  7MB   | 2 & 3 | 2 &  | Closed | 2 &  | 2 &  | 2 &  | 2 &  |
          |        |       |  3   |        |  3   |  3   |  3   |  3   |
          |--------+-------+------+--------+------+------+------+------|
          |  8MB   |  N/A  | N/A  |  Open  | N/A  | N/A  | N/A  | N/A  |
          |--------+-------+------+--------+------+------+------+------|
          |  9MB   | 2 & 3 | N/A  | Closed | 2 &  | N/A  | 2 &  | N/A  |
          |        |       |      |        |  3   |      |  3   |      |
          |--------+-------+------+--------+------+------+------+------|
          |  10MB  | 2 & 3 | 2 &  | Closed | 2 &  | 2 &  | 2 &  | 2 &  |
          |        |       |  3   |        |  3   |  3   |  3   |  3   |
          |--------+-------+------+--------+------+------+------+------|
          |  12MB  | 1 & 2 | N/A  | Closed | 1 &  | N/A  | 1 &  | N/A  |
          |        |       |      |        |  2   |      |  2   |      |
          |--------+-------+------+--------+------+------+------+------|
          |  13MB  | 1 & 2 | 2 &  | Closed | 1 &  | 2 &  | 1 &  | 2 &  |
          |        |       |  3   |        |  2   |  3   |  2   |  3   |
          |--------+-------+------+--------+------+------+------+------|
          |  16MB  | 1 & 2 | 1 &  | Closed | 1 &  | 1 &  | 1 &  | 1 &  |
          |        |       |  2   |        |  2   |  2   |  2   |  2   |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          | Banks 0 & 1 are located on the mainboard.                  |
          +------------------------------------------------------------+