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

   PEM-3301

   Processor         80386DX                                      
   Processor Speed   33MHz                                        
   Chip Set          VLSI                                         
   Max. Onboard DRAM 16MB (8MB on external memory card)           
   Cache             64/256KB                                     
   BIOS              DTK/Phoenix                                  
   Dimensions        355mm x 304mm                                
   I/O Options       32-bit external memory card                  
   NPU Options       80387DX/3167                                 

<gopher://bitreich.org/I/th99/m/C-D/32371-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J1    | Speaker              |    J4    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J2    | Turbo switch         |    W6    |
   |---------------+----------+----------------------+----------|
   | Reset switch  |    J3    | 32-bit external      |   SL1    |
   |               |          | memory card          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Monitor type select color |     SW1/6     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |     SW1/6     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | NPU disabled              |      W1       |   Closed   |
   |---+---------------------------+---------------+------------|
   |   | NPU enabled               |      W1       |    Open    |
   |---+---------------------------+---------------+------------|
   |>> | Turbo disabled (hardware) |      W6       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Turbo enabled (hardware)  |      W6       |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Turbo enabled (software)  |      W6       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      W7       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27512    |      W7       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | DMA clock speed select    |      W8       |   Closed   |
   |   | 8MHz                      |               |            |
   |---+---------------------------+---------------+------------|
   |   | DMA clock speed select    |      W8       |    Open    |
   |   | 6MHz                      |               |            |
   |------------------------------------------------------------|
   | Note: The location of W8 is unidentified.                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              DRAM JUMPER/SWITCH CONFIGURATION              |
   |------------------------------------------------------------|
   | Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |  W2  |  W3  |
   |------+-------+-------+-------+-------+-------+------+------|
   | 1MB  |  On   |  On   |  On   |  On   |  On   | 2 &  | 2 &  |
   |      |       |       |       |       |       |  3   |  3   |
   |------+-------+-------+-------+-------+-------+------+------|
   | 2MB  |  On   |  On   |  On   |  On   |  On   | 2 &  | 2 &  |
   |      |       |       |       |       |       |  3   |  3   |
   |------+-------+-------+-------+-------+-------+------+------|
   | 4MB  |  On   |  On   |  Off  |  On   |  Off  | 1 &  | 1 &  |
   |      |       |       |       |       |       |  2   |  2   |
   |------+-------+-------+-------+-------+-------+------+------|
   | 5MB  |  Off  |  On   |  Off  |  Off  |  On   | 2 &  | 1 &  |
   |      |       |       |       |       |       |  3   |  2   |
   |------+-------+-------+-------+-------+-------+------+------|
   | 8MB  |  Off  |  On   |  Off  |  Off  |  Off  | 1 &  | 1 &  |
   |      |       |       |       |       |       |  2   |  2   |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |       64KB       |    (8) 16K x 4     |    (2) 16K x 4     |
   |------------------+--------------------+--------------------|
   |      256KB       |    (8) 64K x 4     |    (2) 64K x 4     |
   +------------------------------------------------------------+

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