NBI

4200

Processor              80286
Processor Speed        6/10MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 1MB
Maximum Video Memory   None
Cache                  None
BIOS                   Award
Dimensions             355mm x 304mm
I/O Options            None
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Speaker                     J1       External battery            J4

  Power LED & keylock         J2

                        USER CONFIGURABLE SETTINGS

               Function                   Label            Position

  »   Factory configured - do not          JP1           Unidentified
      alter

  »   Factory configured - do not          JP14          Unidentified
      alter

  »   Factory configured - do not         U107/3         Unidentified
      alter

      Monitor type select color           U107/4              On

      Monitor type select monochrome      U107/4              Off

                      DRAM CONFIGURATION

    Size       Bank 0       Bank 1       Bank 2       Bank 3

   256KB      (9) 41256      None         None         None

   512KB      (9) 41256    (9) 41256      None         None

   640KB      (9) 41256    (9) 41256    (9) 4164     (9) 4164

   768KB      (9) 41256    (9) 41256   (9) 41256       None

    1MB       (9) 41256    (9) 41256   (9) 41256    (9) 41256

  Note: The location of the banks are unidentified.

                         DRAM JUMPER CONFIGURATION

         Size                     JP7                       JP8

         256KB             Pins 2 & 3 closed         Pins 1 & 2, 7 & 8
                                                          closed

         512KB             Pins 1 & 2 closed         Pins 1 & 2, 7 & 8
                                                          closed

         640KB             Pins 1 & 2 closed         Pins 3 & 4, 9 & 10
                                                          closed

         768KB             Pins 2 & 3 closed        Pins 5 & 6, 11 & 12
                                                          closed

          1MB              Pins 1 & 2 closed        Pins 5 & 6, 11 & 12
                                                          closed

           CPU SPEED SELECTION

        Speed                JP11

        6MHz          Pins 2 & 3 closed

        10MHz         Pins 1 & 2 closed

                              BIOS SELECTION

  Setting    U107/1     U107/2    U107/5     U107/6    U107/7     U107/8

   27128      Off         On        On         On        Off       Off

   27256       On        Off        Off       Off        On         On