DIAMOND FLOWER, INC.

TOP-286

Processor         80286
Processor Speed   12/16/20MHz
Chip Set          C & T NEAT
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI
Dimensions        330mm x 220mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            J2        Turbo switch            J8 or J13

  Reset switch             J6 or J12    Speaker                    J9

  Power LED & keylock         J7        Turbo LED                 J10

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Battery type select internal             J1            pins 2 & 3
                                                              closed

      Battery type select external             J1            pins 1 & 2
                                                              closed

  »   Monitor type select color                J3            pins 1 & 2
                                                              closed

      Monitor type select monochrome           J3            pins 2 & 3
                                                              closed

  »   CPU speed select 16MHz                   J4            pins 1 & 2
                                                              closed

      CPU speed select 12MHz                   J4            pins 2 & 3
                                                              closed

  »   I/O bus speed select 8MHz                J5            pins 1 & 2
                                                              closed

      I/O bus speed select 10MHz               J5            pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0          Bank 1         Bank 2        Bank 3

    512KB        (18) 41256         NONE           NONE          NONE

    640KB         (18) 4164      (18) 41256        NONE          NONE

     1MB         (18) 41256      (18) 41256        NONE          NONE

    1.5MB        (18) 41256      (18) 41256     (2) 256K x       NONE
                                                    9

    1.64MB        (18) 4164      (18) 41256     (2) 256K x   (2) 256K x 9
                                                    9

     2MB         (18) 41256      (18) 41256     (2) 256K x   (2) 256K x 9
                                                    9

     2MB         (18) 411000        NONE           NONE          NONE

     3MB         (18) 41256      (18) 41256     (2) 1M x 9       NONE

     4MB         (18) 411000    (18) 411000        NONE          NONE

    4.64MB        (18) 4164      (18) 41256     (2) 1M x 9    (2) 1M x 9

     5MB         (18) 41256      (18) 41256     (2) 1M x 9    (2) 1M x 9

     6MB         (18) 411000    (18) 411000     (2) 1M x 9       NONE

     8MB         (18) 411000    (18) 411000     (2) 1M x 9    (2) 1M x 9

          DRAM JUMPER CONFIGURATION

         Type                   J11

    DIP memory only      pins 1 & 2 closed

  DIP and SIPP memory    pins 2 & 3 closed