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

   PEM-2501/3301

   Processor         80386DX                                      
   Processor Speed   25/33MHz                                     
   Chip Set          DTK                                          
   Max. Onboard DRAM 8MB                                          
   Cache             64/256KB                                     
   BIOS              AMI                                          
   Dimensions        356mm x 304mm                                
   I/O Options       32-bit memory expansion slot                 
   NPU Options       80387SX/3167                                 

<gopher://bitreich.org/I/th99/m/C-D/31755-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J1    | Speaker              |    J4    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J2    | 32-bit memory        |    S1    |
   |               |          | expansion slot       |          |
   |---------------+----------+----------------------+----------|
   | Reset switch  |    J3    |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | NPU enabled               |      W1       |    Open    |
   |---+---------------------------+---------------+------------|
   |   | NPU disabled              |      W1       |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | Turbo mode enabled        |      W6       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Turbo mode disabled       |      W6       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      W7       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27512    |      W7       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color | SW1/switch 6  |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       | SW1/switch 6  |    Off     |
   |   | monochrome                |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |Size| Bank 0  |Bank 1 |SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|W2 |W3 |
   |----+---------+-------+-----+-----+-----+-----+-----+---+---|
   |1MB |(4) 256K | NONE  | On  | On  | On  | On  | On  |2 &|2 &|
   |    |   x 9   |       |     |     |     |     |     | 3 | 3 |
   |----+---------+-------+-----+-----+-----+-----+-----+---+---|
   |2MB |(4) 256K |  (4)  | On  | On  | On  | On  | On  |2 &|2 &|
   |    |   x 9   |256K x |     |     |     |     |     | 3 | 3 |
   |    |         |   9   |     |     |     |     |     |   |   |
   |----+---------+-------+-----+-----+-----+-----+-----+---+---|
   |4MB |(4) 1M x | NONE  | On  | On  | Off | On  | Off |1 &|1 &|
   |    |    9    |       |     |     |     |     |     | 2 | 2 |
   |----+---------+-------+-----+-----+-----+-----+-----+---+---|
   |5MB |(4) 256K |(4) 1M | Off | On  | Off | Off | On  |2 &|1 &|
   |    |   x 9   |  x 9  |     |     |     |     |     | 3 | 2 |
   |----+---------+-------+-----+-----+-----+-----+-----+---+---|
   |8MB |(4) 1M x |(4) 1M | Off | On  | Off | Off | Off |1 &|1 &|
   |    |    9    |  x 9  |     |     |     |     |     | 2 | 2 |
   |------------------------------------------------------------|
   |NotePins designated should be in the closed position.       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 16K x 4  |  (4) 16K x 4  |  (1) 8K X 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 64K x 4  |  (4) 64K x 4  |  (1) 8K X 8   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |         W4         |         W5         |
   |------------------+--------------------+--------------------|
   |       64KB       | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       | pins 1 & 2 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+