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

   PKM-3300 (VER. 1.00)

   Processor          80486DX                                     
   Processor Speed    25/33MHz                                    
   Chip Set           VLSI                                        
   Max. Onboard DRAM  16MB (8MB on external memory card)          
   Cache              64/256KB                                    
   BIOS               AMI/DTK                                     
   Dimensions         351mm x 296mm                               
   I/O Options        32-bit external memory card slot            
   NPU Options        4167                                        

<gopher://bitreich.org/I/th99/m/C-D/30064-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Secondary fan |    J1    | Reset switch         |    J4    |
   | power         |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J2    | Speaker              |    J5    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J3    | 32-bit external      |    S1    |
   |               |          | memory card          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | CPU speed select fast     |      J6       |    Open    |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select slow     |      J6       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | CPU speed switchable from |      J6       | pins 2 & 3 |
   |   | keyboard                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select       |     SW1/4     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select color |     SW1/4     |     On     |
   |---+---------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      W3       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27512    |      W3       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Video BIOS shadowing      |      W6       |   Closed   |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |   | Video BIOS shadowing      |      W6       |    Open    |
   |   | disabled                  |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |       Size       |         W4         |         W5         |
   |------------------+--------------------+--------------------|
   |       1MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       2MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       4MB        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       8MB        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |      Tag      |   Dirty Bit   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 16K x 4  |  (2) 16K x 4  |  (1) 16K x 1  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 64K x 4  |  (2) 64K x 4  |  (1) 64K x 1  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |         W1         |         W2         |
   |------------------+--------------------+--------------------|
   |       64KB       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+