(TXT) View Source
       
       # 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                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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          |
          +------------------------------------------------------------+