(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PKM-5037S (VER. 2.00)
       
          Processor    CX486M6/80486SX/80487SX/80486DX/80486DX2/Pentium  
                       Overdrive                                         
          Processor    20/25/33/40/50(internal)/50/66(internal)MHz       
          Speed        
          Chip Set     SIS                                               
          Max. Onboard 32MB                                              
          DRAM         
          Cache        64/128/256KB                                      
          BIOS         AMI                                               
          Dimensions   254mm x 218mm                                     
          I/O Options  32-bit VESA local bus slots (2)                   
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Power LED &   |   CN1    | Reset switch         |   CN5    |
          | keylock       |          |                      |          |
          |---------------+----------+----------------------+----------|
          | Speaker       |   CN2    | External battery     |   CN6    |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |   CN3    | 32-bit VESA local    |  SL1 -   |
          |               |          | bus slots            |   SL2    |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |   CN4    |                      |          |
          |------------------------------------------------------------|
          | Note: The location of CN6 is unidentified.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | A20 Source type select chip      |  JP17  | pins 1 & 2 |
          |   | supported                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | A20 Source type select 8042      |  JP17  | pins 2 & 3 |
          |   | supported                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP18  |    Open    |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP18  |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size    |         Bank 0         |        Bank 1         |
          |-----------+------------------------+-----------------------|
          |    1MB    |      (4) 256K x 9      |         NONE          |
          |-----------+------------------------+-----------------------|
          |    2MB    |      (4) 256K x 9      |     (4) 256K x 9      |
          |-----------+------------------------+-----------------------|
          |    2MB    |      (4) 512K x 9      |         NONE          |
          |-----------+------------------------+-----------------------|
          |    4MB    |      (4) 512K x 9      |     (4) 512K x 9      |
          |-----------+------------------------+-----------------------|
          |    4MB    |        (4) 1M x 9      |         NONE          |
          |-----------+------------------------+-----------------------|
          |    6MB    |      (4) 512K x 9      |       (4) 1M x 9      |
          |-----------+------------------------+-----------------------|
          |    8MB    |        (4) 1M x 9      |       (4) 1M x 9      |
          |-----------+------------------------+-----------------------|
          |    8MB    |        (4) 2M x 9      |         NONE          |
          |-----------+------------------------+-----------------------|
          |   16MB    |        (4) 2M x 9      |       (4) 2M 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      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0  | Bank 1  |      TAG 1      |    TAG 2     |
          |-------+---------+---------+-----------------+--------------|
          | 64KB  | (4) 8K  | (4) 8K  |   (1) 8K x 8    |  (1) 8K x 8  |
          |       |   x 8   |   x 8   |                 |              |
          |-------+---------+---------+-----------------+--------------|
          | 128KB | (4) 32K | (4) 32K |   (1) 8K x 8    |  (1) 8K x 8  |
          |       |   x 8   |   x 8   |                 |              |
          |-------+---------+---------+-----------------+--------------|
          | 256KB | (4) 32K | (4) 32K | (1) 16K x 8 or  | (1) 16K x 8  |
          |       |   x 8   |   x 8   |   (1) 32K x 8   | or (1) 32K x |
          |       |         |         |                 |      8       |
          |------------------------------------------------------------|
          | Note: The location of TAG 2 is unidentified.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |     JP1     |    JP2     |    JP3     |    JP4     |
          |-------+-------------+------------+------------+------------|
          | 64KB  | pins 1 & 2  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 128KB | pins 2 & 3  | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 256KB | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          | Size  |       JP5       |       JP6       |      JP7       |
          |-------+-----------------+-----------------+----------------|
          | 64KB  |   pins 2 & 3    |      Open       |   pins 1 & 2   |
          |       |     closed      |                 |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 128KB |   pins 1 & 2    |   pins 1 & 2    |   pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 256KB |   pins 2 & 3    |   pins 2 & 3    |   pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Type      |    JP13    |    JP14    |  JP15  |  JP16  |
          |----------------+------------+------------+--------+--------|
          |    CX486M6     |    Open    | pins 2 & 3 |  Open  | Closed |
          |                |            |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          | 80486SX(PQFP)  |    Open    | pins 2 & 3 |  Open  |  Open  |
          |                |            |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          |  80486SX(PGA)  |    Open    | pins 2 & 3 |  Open  | Closed |
          |                |            |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          |    80487SX     | pins 2 & 3 | pins 1 & 2 | Closed | Closed |
          |                |   closed   |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          |    80486DX     | pins 1 & 2 | pins 1 & 2 | Closed | Closed |
          |                |   closed   |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          |    80486DX2    | pins 1 & 2 | pins 1 & 2 | Closed | Closed |
          |                |   closed   |   closed   |        |        |
          |----------------+------------+------------+--------+--------|
          |    Pentium     | pins 2 & 3 | pins 1 & 2 | Closed | Closed |
          |   Overdrive    |   closed   |   closed   |        |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Speed     |     JP20     |     JP21     |     JP22     |
          |---------------+--------------+--------------+--------------|
          |     20MHz     |     Open     |     Open     |     Open     |
          |---------------+--------------+--------------+--------------|
          |     25MHz     |     Open     |     Open     |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     33MHz     |    Closed    |    Closed    |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     40MHz     |     Open     |    Closed    |    Closed    |
          |---------------+--------------+--------------+--------------|
          |    50iMHz     |     Open     |     Open     |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     50MHz     |    Closed    |     Open     |     Open     |
          |---------------+--------------+--------------+--------------|
          |    66iMHz     |    Closed    |    Closed    |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VESA WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |   Wait states    |        JP9         |        JP11        |
          |------------------+--------------------+--------------------|
          |  0 wait states   | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   1 wait state   | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUS SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |    CPU speed     |        JP8         |        JP10        |
          |------------------+--------------------+--------------------|
          |     <= 33MHz     | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     > 33MHz      | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+