(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PLM-2531P/3331P/5031P
       
          Processor         80486SX/80487SX/ODP80486SX/80486DX/80486DX2  
          Processor Speed   25/33/40/50(internal)/50/66(internal)MHz     
          Chip Set          OPTI                                         
          Max. Onboard DRAM 128MB                                        
          Cache             64/128/256KB                                 
          BIOS              AMI/DTK                                      
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       4167                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Reset switch   |    J1    | Speaker             |    J4    |
          |----------------+----------+---------------------+----------|
          | Turbo switch   |    J2    | Power LED & keylock |    J5    |
          |----------------+----------+---------------------+----------|
          | Turbo LED      |    J3    | External battery    |   J12    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper  | Position  |
          |--------------------------------------+---------+-----------|
          | » | Turbo switch enabled             |   J2    |  Closed   |
          |---+----------------------------------+---------+-----------|
          |   | turbo switch disabled            |   J2    |   Open    |
          |---+----------------------------------+---------+-----------|
          | » | Monitor type select monochrome   |   J11   |   Open    |
          |---+----------------------------------+---------+-----------|
          |   | Monitor type select color        |   J11   |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (4) 16M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |      128MB       |    (4) 16M x 9     |    (4) 16M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0 | Bank  |  TAG   | Dirty  |  TAG   |  TAG   |
          |       |        |   1   | (U30)  | (U31)  | (U32)  | (U33)  |
          |-------+--------+-------+--------+--------+--------+--------|
          | 64KB  | (4) 8K |  (4)  | (1) 8K | (1) 8K | (1) 8K |  NONE  |
          |       |  x 8   | 8K x  |  x 1   |  x 1   |  x 8   |        |
          |       |        |   8   |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          | 128KB |  (4)   | NONE  | (1) 8K | (1) 8K | (1) 8K |  NONE  |
          |       | 32K x  |       |  x 1   |  x 1   |  x 8   |        |
          |       |   8    |       |        |        |        |        |
          |-------+--------+-------+--------+--------+--------+--------|
          | 256KB |  (4)   |  (4)  | (1) 8K | (1) 8K |  NONE  |  (1)   |
          |       | 32K x  | 32K x |  x 1   |  x 1   |        | 32K x  |
          |       |   8    |   8   |        |        |        |   8    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |                      J10                       |
          |-----------+------------------------------------------------|
          |   64KB    |               pins 9 & 10 closed               |
          |-----------+------------------------------------------------|
          |   128KB   |       pins 1 & 2, 5 & 6, 11 & 12 closed        |
          |-----------+------------------------------------------------|
          |   256KB   | pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |           Type           |               J9                |
          |--------------------------+---------------------------------|
          |         80486SX          |       pins 9 & 10 closed        |
          |--------------------------+---------------------------------|
          |         80487SX          | pins 3 & 4, 5 & 6, 7 & 8 closed |
          |--------------------------+---------------------------------|
          |        ODP80486SX        | pins 3 & 4, 5 & 6, 7 & 8 closed |
          |--------------------------+---------------------------------|
          |       80486DX/DX2        | pins 1 & 2, 3 & 4, 5 & 6 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Speed    |        J6         |     J7      |     J8     |
          |-------------+-------------------+-------------+------------|
          |    25MHz    | pins 2 & 3 closed |    Open     |   Closed   |
          |-------------+-------------------+-------------+------------|
          |    33MHz    | pins 1 & 2 closed |   Closed    |    Open    |
          |-------------+-------------------+-------------+------------|
          |    40MHz    | pins 2 & 3 closed |    Open     |   Closed   |
          |-------------+-------------------+-------------+------------|
          |   50iMHz    | pins 2 & 3 closed |    Open     |   Closed   |
          |-------------+-------------------+-------------+------------|
          |    50MHz    | pins 2 & 3 closed |    Open     |   Closed   |
          |-------------+-------------------+-------------+------------|
          |   66iMHz    | pins 1 & 2 closed |   Closed    |    Open    |
          +------------------------------------------------------------+