DTK COMPUTER, INC.

GRAFIKA 3EI (EDITION 1.1)

Processor              80486SX/ODP486SX/80487SX/80486DX/80486DX2
Processor Speed        25/33/40/50(internal)/50/66(internal)MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 128MB
Maximum Video Memory   None
Cache                  64/128/256KB
BIOS                   DTK
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            4167

[Image]

                                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                     Label           Position

  »   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 1           TAG

      64KB        (4) 8K x 8      (4) 8K x 8     Unidentified

     128KB        (4) 32K x 8        None        Unidentified

     256KB        (4) 32K x 8     (4) 32K x 8    Unidentified

  Note: The size of the TAG chips are unidentified.

                        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 SPEED SELECTION

      Speed               J6                 J7                 J8

      25MHz            Pins 2 & 3           Open               Open
                        closed

      33MHz            Pins 1 & 2          Closed              Open
                        closed

      40MHz            Pins 1 & 2           Open              Closed
                        closed

      50iMHz           Pins 2 & 3           Open               Open
                        closed

      50MHz            Pins 1 & 2          Closed             Closed
                        closed

      66iMHz           Pins 1 & 2          Closed              Open
                        closed

                          CPU TYPE SELECTION

               Type                                J9

              80486SX                      Pins 9 & 10 closed

             ODP486SX               Pins 3 & 4, 5 & 6, 7 & 8 closed

              80487SX               Pins 3 & 4, 5 & 6, 7 & 8 closed

              80486DX               Pins 1 & 2, 3 & 4, 5 & 6 closed

             80486DX2               Pins 1 & 2, 3 & 4, 5 & 6 closed