(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          GRAFIKA 3A
       
          Processor         80386SX                                      
          Processor Speed   20MHz                                        
          Chip Set          C & T                                        
          Max. Onboard DRAM 5MB                                          
          Cache             None                                         
          BIOS              DTK                                          
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80387SX                                      
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | CPU frequency     |    J1    | Turbo LED        |    J5    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J2    | Reset switch     |    J6    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |    J3    | External battery |    J7    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J4    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | BIOS type select 27256           |   W7   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | BIOS type select 27128           |   W7   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Pipeline mode enabled            |   W8   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Pipeline mode disabled           |   W8   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | NPU disabled                     |   W9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | NPU enabled                      |   W9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Power good signal detect from    |  W11   | pins 2 & 3 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |  W11   | pins 1 & 2 |
          |   | board                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select monochrome   |  W12   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select color        |  W12   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Battery type select external     |  W13   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select internal     |  W13   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  | Bank 0 |  P 0   | Bank 1 |  P 1   | Bank  | Bank  |
          |        |        |        |        |        |   2   |   3   |
          |--------+--------+--------+--------+--------+-------+-------|
          | 512KB  |  (4)   |  (2)   |  NONE  |  NONE  | NONE  | NONE  |
          |        | 44256  | 41256  |        |        |       |       |
          |--------+--------+--------+--------+--------+-------+-------|
          | 640KB  |  (4)   |  (2)   |  (4)   |  (2)   | NONE  | NONE  |
          |        | 44256  | 41256  |  4164  | 41256  |       |       |
          |--------+--------+--------+--------+--------+-------+-------|
          |  1MB   |  (4)   |  (2)   |  (4)   |  (2)   | NONE  | NONE  |
          |        | 44256  | 41256  | 44256  | 41256  |       |       |
          |--------+--------+--------+--------+--------+-------+-------|
          | 1.5MB  |  (4)   |  (2)   |  (4)   |  (2)   |  (2)  | NONE  |
          |        | 44256  | 41256  | 44256  | 41256  | 256K  |       |
          |        |        |        |        |        |  x 9  |       |
          |--------+--------+--------+--------+--------+-------+-------|
          |  2MB   |  (4)   |  (2)   |  (4)   |  (2)   |  (2)  |  (2)  |
          |  (A)   | 44256  | 41256  | 44256  | 41256  | 256K  | 256K  |
          |        |        |        |        |        |  x 9  |  x 9  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  2MB   |  NONE  |  NONE  |  NONE  |  NONE  |  (2)  | NONE  |
          |  (B)   |        |        |        |        | 1M x  |       |
          |        |        |        |        |        |   9   |       |
          |--------+--------+--------+--------+--------+-------+-------|
          |  3MB   |  (4)   |  (2)   |  (4)   |  (2)   |  (2)  | NONE  |
          |        | 44256  | 41256  | 44256  | 41256  | 1M x  |       |
          |        |        |        |        |        |   9   |       |
          |--------+--------+--------+--------+--------+-------+-------|
          |  4MB   |  NONE  |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
          |        |        |        |        |        | 1M x  | 1M x  |
          |        |        |        |        |        |   9   |   9   |
          |--------+--------+--------+--------+--------+-------+-------|
          |  5MB   |  (4)   |  (2)   |  (4)   |  (2)   |  (2)  |  (2)  |
          |        | 44256  | 41256  | 44256  | 41256  | 1M x  | 1M x  |
          |        |        |        |        |        |   9   |   9   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Size   |   W1   |   W2   |   W3   |  W4   |  W5   |  W6   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  512KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  640KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  1.5MB  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          | 2MB (A) | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          | 2MB (B) | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   4MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   5MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+