
TOP MICROSYSTEMS, INC.

286 MODEL-1010-200, VER 1.25

Processor         80286
Processor Speed   12/16/20MHz
Chip Set          C & T
Max. Onboard DRAM 2MB
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      Bank 2       Bank 3

    512KB     (4) 44256       NONE        NONE         NONE

    640KB     (4) 44256     (4) 4464      NONE         NONE

     1MB      (4) 44256    (4) 44256      NONE         NONE

     2MB      (4) 44256    (4) 44256    (4) 44256    (4) 44256

                   DRAM PARITY CONFIGURATION

    Size         P 0          P 1          P 2          P 3

    512KB     (2) 41256       NONE        NONE         NONE

    640KB     (2) 41256    (2) 41256    (2) 4164       NONE

     1MB      (2) 41256    (2) 41256      NONE         NONE

     2MB      (2) 41256    (2) 41256    (2) 41256    (2) 41256

