
DTK COMPUTER, INC.

MBVLSI-168 (V.2)

Processor              80286
Processor Speed        8/12MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 4MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                JP1      Turbo switch                JP4

  Power LED & keylock         JP2      Turbo LED                   JP5

  Speaker                     JP3      External battery           JP17

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter       JP6           Pins 1 & 2
      (100ns memory)                                          closed

      Wait state select 0 wait states         JP10            Closed

      Wait state select 1 wait state          JP10             Open

      BIOS type select 27256                  JP11            Closed

      BIOS type select 27128                  JP11             Open

      Monitor type select color               JP12            Closed

      Monitor type select monochrome          JP12             Open

     Power good signal detect from           JP16          Pins 1 & 2
      board                                                   closed

      Power good signal detect from           JP16          Pins 2 & 3
      power supply                                            closed

                      DRAM CONFIGURATION 1

    Size       Bank 0A      Parity 0     Bank 0B     Parity 1

    512KB     (4) 44256    (2) 41256      None         None

     1MB      (4) 44256    (2) 41256    (4) 44256    (2) 41256

      DRAM JUMPER CONFIGURATION 1

   Size      JP7       JP8       JP9

  512KB     Closed   Closed    Closed

   1MB      Closed    Open     Closed

                           DRAM CONFIGURATION 2

     Size          Bank 0        Parity 0       Bank 1        Parity 1

     512KB       (16) 41256     (2) 41256        None           None

     640KB       (16) 41256     (2) 41256      (16) 4164      (2) 4164

      1MB        (16) 41256     (2) 41256     (16) 41256      (2) 41256

      2MB       (16) 411000     (2) 411000       None           None

      4MB       (16) 411000     (2) 411000    (16) 411000    (2) 411000

      DRAM JUMPER CONFIGURATION 2

   Size      JP7       JP8       JP9

  512KB     Closed   Closed    Closed

  640KB     Closed   Closed     Open

   1MB      Closed    Open     Closed

   2MB      Closed    Open      Open

   4MB       Open    Closed    Closed

             DRAM CONFIGURATION 3

      Size          Bank 2          Bank 3

     512KB        (2) 256K x 9       None

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         None

      4MB         (2) 1M x 9      (2) 1M x 9

      DRAM JUMPER CONFIGURATION 3

   Size      JP7       JP8       JP9

  512KB     Closed   Closed    Closed

   1MB      Closed    Open     Closed

   2MB      Closed    Open      Open

   4MB       Open    Closed    Closed

             KEYBOARD BIOS PIN SELECTION

  Setting     JP13       JP14      JP15       JP18

  Pin 23      Open      Closed     Open       Open

  Pin 27      Open       Open     Closed      Open

  Pin 30     Closed      Open      Open       Open

  Pin 32      Open       Open      Open      Closed

