DTK COMPUTER, INC.

NETT-2030

Processor         80486SX/80487SX/80486DX
Processor Speed   16/20/25/33MHz
Chip Set          Symphony
Max. Onboard DRAM 32MB
Cache             None
BIOS              AMI/DTK
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                   J1       Speaker                     J4

  Turbo switch                J2       Power LED & keylock         J5

  Reset switch                J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Turbo switch select normal speed         J2           pins 1 & 2
                                                              closed

      Turbo switch select turbo speed          J2              Open

      Turbo switch select through              J2           pins 2 & 3
      keyboard by pressing CTRL, ALT,                         closed
      -

  »   Monitor type select monochrome          J10           pins 1 & 2
                                                              closed

      Monitor type select color               J10           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

                          CPU TYPE CONFIGURATION

       Type               J6                J7                 J8

      80486SX            Open            pins 2 & 3           Open
                                          closed

      80487SX           Closed           pins 1 & 2         pins 1 & 2
                                          closed             closed

      80486DX           Closed           pins 1 & 2         pins 2 & 3
                                          closed             closed

         CPU SPEED CONFIGURATION

        Speed                 J9

        16MHz         pins 2 & 3 closed

        20MHz         pins 1 & 2 closed

        25MHz         pins 2 & 3 closed

        33MHz         pins 2 & 3 closed