DTK COMPUTER, INC.
==================

   KEEN-4031

   Processor         80386DX                                      
   Processor Speed   40MHz                                        
   Chip Set          DTK                                          
   Max. Onboard DRAM 16MB (8MB on external memory card)           
   Cache             64KB                                         
   BIOS              AMI/DTK                                      
   Dimensions        330mm x 218mm                                
   I/O Options       32-bit external memory card                  
   NPU Options       80387DX/3167                                 

<gopher://bitreich.org/I/th99/m/C-D/33102-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose      | Location | Purpose               | Location |
   |--------------+----------+-----------------------+----------|
   | Reset switch |    J1    | Speaker               |    J4    |
   |--------------+----------+-----------------------+----------|
   | Turbo LED    |    J2    | Power LED & keylock   |    J5    |
   |--------------+----------+-----------------------+----------|
   | Turbo switch |    J3    | 32-bit system memory  |   SL1    |
   |              |          | card                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |   | Turbo switch select       |      J3       | pins 1 & 2 |
   |   | normal speed (no cache    |               |   closed   |
   |   | support)                  |               |            |
   |---+---------------------------+---------------+------------|
   |   | Turbo switch select turbo |      J3       |    Open    |
   |   | speed (cache support)     |               |            |
   |---+---------------------------+---------------+------------|
   |   | Turbo switch select       |      J3       | pins 2 & 3 |
   |   | through keyboard by       |               |   closed   |
   |   | pressing CTRL, ALT, -     |               |            |
   |---+---------------------------+---------------+------------|
   |>> | NPU disabled              |      J11      |   Closed   |
   |---+---------------------------+---------------+------------|
   |   | NPU enabled               |      J11      |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |     SW1/4     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select color |     SW1/4     |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |     Size     |     SW1/1     |    SW1/2     |    SW1/3     |
   |--------------+---------------+--------------+--------------|
   |     1MB      |      On       |      On      |      On      |
   |--------------+---------------+--------------+--------------|
   |     2MB      |      On       |      On      |      On      |
   |--------------+---------------+--------------+--------------|
   |     4MB      |      On       |     Off      |      On      |
   |--------------+---------------+--------------+--------------|
   |     5MB      |      Off      |     Off      |      On      |
   |--------------+---------------+--------------+--------------|
   |     8MB      |      On       |      On      |     Off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 64KB cache is factory installed and is not           |
   | configurable. The location is unidentified.                |
   +------------------------------------------------------------+