TOP MICROSYSTEMS, INC.

286 MODEL-1007-200, VER 1.25

Processor         80286
Processor Speed   12/16/20MHz
Chip Set          C & T
Max. Onboard DRAM 1MB
Cache             None
BIOS              Phoenix
Dimensions        330mm x 218mm
I/O Options       16-bit external memory card slot
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Speaker                    J1       Power LED & keylock          J4

  Reset switch               J2       External battery             J6

  Turbo LED                  J3       16-bit external memory       S1
                                      card

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                J5            pins 2 & 3
                                                              closed

      Monitor type select monochrome           J5            pins 1 & 2
                                                              closed

  »   NPU is synchronous with CPU              J19           pins 3 & 4
                                                              closed

      NPU is synchronous with                  J19           pins 1 & 2
      oscillator installed at U17                             closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

    512KB       (18) 41256      NONE

    640KB       (18) 41256   (18) 4164

     1MB        (18) 41256   (18) 41256