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

   PKM-0038Y (VER. 1.00)

   Processor             80486SX/80487SX/80486DX/80486DX2/P23T    
   Processor Speed       20/25/33/50(internal)/50/66(internal)MHz 
   Chip Set              Symphony                                 
   Video Chip Set        None                                     
   Maximum Onboard       32MB                                     
   Memory                
   Maximum Video Memory  None                                     
   Cache                 64/128/256KB                             
   BIOS                  AMI/DTK                                  
   Dimensions            252mm x 221mm                            
   I/O Options           32-bit VESA local bus slots (2)          
   NPU Options           None                                     

<gopher://bitreich.org/I/th99/m/C-D/34488-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J5    | Turbo LED            |    J8    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J6    | Reset switch         |    J9    |
   |---------------+----------+----------------------+----------|
   | Turbo switch  |    J7    | 32-bit VESA local    |  SL1 &   |
   |               |          | bus slots            |   SL2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  J2   |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Monitor type select monochrome    |  J26  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Monitor type select color         |  J26  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     None      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |     J13     |    J14     |    J15     |    J16     |
   |-------+-------------+------------+------------+------------|
   | None  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 64KB  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 128KB | Pins 1 & 2  | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 256KB | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CACHE JUMPER CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   | Size  |     J17     |    J18     |    J19     |    J20     |
   |-------+-------------+------------+------------+------------|
   | None  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 64KB  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 128KB | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 256KB | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CACHE WAIT STATE CONFIGURATION               |
   |------------------------------------------------------------|
   |      Setting       |         J1         |       J23        |
   |--------------------+--------------------+------------------|
   |         0          |        Open        |      Closed      |
   |--------------------+--------------------+------------------|
   |         1          |       Closed       |       Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |  Speed   |        J21        |   J22   |   J24   |   J25   |
   |----------+-------------------+---------+---------+---------|
   |  20MHz   | Pins 1 & 2 closed |  Open   |  Open   |  Open   |
   |----------+-------------------+---------+---------+---------|
   |  25MHz   | Pins 1 & 2 closed |  Open   |  Open   |  Open   |
   |----------+-------------------+---------+---------+---------|
   |  33MHz   | Pins 1 & 2 closed |  Open   |  Open   |  Open   |
   |----------+-------------------+---------+---------+---------|
   |  50iMHz  | Pins 1 & 2 closed |  Open   |  Open   | Closed  |
   |----------+-------------------+---------+---------+---------|
   |  50MHz   | Pins 2 & 3 closed | Closed  | Closed  | Closed  |
   |----------+-------------------+---------+---------+---------|
   |  66iMHz  | Pins 1 & 2 closed |  Open   |  Open   |  Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |   Type    |  J10   |        J11        |        J12        |
   |-----------+--------+-------------------+-------------------|
   |  80486SX  |  Open  | Pins 2 & 3 closed |       Open        |
   |-----------+--------+-------------------+-------------------|
   |  80487SX  | Closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |-----------+--------+-------------------+-------------------|
   |  80486DX  | Closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |-----------+--------+-------------------+-------------------|
   | 80486DX2  | Closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |-----------+--------+-------------------+-------------------|
   |   P23T    | Closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                VL BUS WAIT STATE SELECTION                 |
   |------------------------------------------------------------|
   |             Setting             |            J4            |
   |---------------------------------+--------------------------|
   |        |           0            |           Open           |
   |--------+------------------------+--------------------------|
   |>>      |           1            |          Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VL BUS SPEED SELECTION                   |
   |------------------------------------------------------------|
   |              Speed              |            J3            |
   |---------------------------------+--------------------------|
   |    |          <= 33MHz          |           Open           |
   |----+----------------------------+--------------------------|
   |>>  |          >33 MHz           |          Closed          |
   +------------------------------------------------------------+