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

   PEM-2000 (FAST ET20)

   Processor    80386DX                                           
   Processor    20MHz                                             
   Speed        
   Chip Set     VLSI                                              
   Max. Onboard 1MB                                               
   DRAM         
   Cache        None                                              
   BIOS         DTK                                               
   Dimensions   355.6mm x 304.8mm                                 
   I/O Options  Parallel port, serial ports (2), 32-bit external  
                memory card slots (2)                             
   NPU Options  80387                                             

<gopher://bitreich.org/I/th99/m/C-D/30055-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Serial port       |   J10    | Reset switch     |    W1    |
   | (COM1)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   J11    | External battery |    W6    |
   | (COM2)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   J12    | Speaker          |    W7    |
   |-------------------+----------+------------------+----------|
   | 32-bit external   |    S1    | Power LED &      |   W11    |
   | memory card       |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | 32-bit external   |    S2    | Turbo LED        |   W12    |
   | memory card       |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |   | DRAM (32-bit) speed       |      W2       |    Open    |
   |   | select 1 wait state       |               |            |
   |---+---------------------------+---------------+------------|
   |   | DRAM (32-bit) speed       |      W2       |   Closed   |
   |   | select 2 wait state       |               |            |
   |---+---------------------------+---------------+------------|
   |   | DRAM (16-bit) speed       |      W3       | pins 1 & 2 |
   |   | select 1 wait state       |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | DRAM (16-bit) speed       |      W3       | pins 2 & 3 |
   |   | select 2 wait state       |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | DRAM (8-bit) speed select |      W4       | pins 1 & 2 |
   |   | 4 wait state              |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | DRAM (8-bit) speed select |      W4       | pins 2 & 3 |
   |   | 5 wait state              |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |      W8       | pins 1 & 2 |
   |   | monochrome                |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select color |      W8       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select fast     |      W10      |    Open    |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select slow     |      W10      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select          |      W10      | pins 2 & 3 |
   |   | switchable from keyboard  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Serial port enabled       |     SW1/1     |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Serial port disabled      |     SW1/1     |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | Serial port enabled       |     SW1/2     |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Serial port disabled      |     SW1/2     |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | LPT enabled               |     SW1/3     |    Open    |
   |---+---------------------------+---------------+------------|
   |   | LPT disabled              |     SW1/3     |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | Parallel port select LPT1 |     SW1/4     |    Open    |
   |---+---------------------------+---------------+------------|
   |   | Parallel port select LPT2 |     SW1/4     |   Closed   |
   |---+---------------------------+---------------+------------|
   |>> | Serial port (J10) select  |     SW1/5     |   Closed   |
   |   | COM1/IRQ4                 |               |            |
   |---+---------------------------+---------------+------------|
   |   | Serial port (J10) select  |     SW1/6     |   Closed   |
   |   | COM1/IRQ3                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Serial port (J11) select  |     SW1/8     |   Closed   |
   |   | COM2/IRQ3                 |               |            |
   |---+---------------------------+---------------+------------|
   |   | Serial port (J11) select  |     SW1/7     |   Closed   |
   |   | COM2/IRQ4                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Parallel port interrupt   |     SW1/9     |   Closed   |
   |   | select IRQ7               |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Parallel port interrupt   |    SW1/10     |   Closed   |
   |   | select IRQ7               |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |            1MB             |          (36) 41256           |
   +------------------------------------------------------------+