AST RESEARCH, INC.

Mid-Size Bravo 286/16

(Models 202382-001 and 202382-002)

Processor                    80286
Processor Speed              16MHz
Chip Set                     AST
Max. Onboard DRAM            16MB
SRAM Cache                   None
BIOS                         AST
Dimensions                   340mm x 245mm
I/O Options                  16-bit external CPU card slot

                             bus mouse port, floppy drive interface

                             IDE interface, parallel port, serial port (2),
                             SVGA port
NPU Options                  80287

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose                Location

  SVGA port                    CN1       Floppy drive             J24
                                         interface

  Bus mouse port               CN2       External battery         J26

  Serial port 1 (COM1)         CN3       Speaker                  J27

  Parallel port                CN4       Fan power                J28

  VGA pass-through             J19       IDE interface LED        J35

  Serial port 2 (COM2)         J20       Front panel              P29
                                         switches & LEDs

  IDE interface                J22       16-bit external CPU       S1
                                         card

                        USER CONFIGURABLE SETTINGS

                 Function                   Switch SW1       Position

  »   VGA port enabled                       switch 1         closed

      VGA port disabled                      switch 1          open

  »   Password check enabled                 switch 2          open

      Password check disabled                switch 2         closed

  »   Factory configured - do not alter      switch 3          open

  »   Factory configured - do not alter      switch 4          open

  »   Factory configured - do not alter      switch 5         closed

  »   Factory configured - do not alter      switch 6         closed

  »   Monitor type select PS/2 style         switch 7         closed

      Monitor type select AT style           switch 7          open

  »   Monitor type select VGA or             switch 8          open
      fixed-frequency

      Monitor type select                    switch 8         closed
      multi-frequency

  »   Factory configured - do not alter      switch 9          open

  »   Factory configured - do not alter      switch 10         open

  Note:Board uses an 80286 16MHz CPU card. (AST part number 202424-001)

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      1MB        (2) 256K x 9    (2) 256K x 9        NONE

     1.5MB       (2) 256K x 9    (2) 256K x 9    (2) 256K x 9

      2MB         (2) 1M x 9      (2) 1M x 9         NONE

      3MB        (2) 256K x 9    (2) 256K x 9     (2) 1M x 9

      4MB         (2) 1M x 9      (2) 1M x 9         NONE

     4.5MB        (2) 1M x 9      (2) 1M x 9     (2) 256K x 9

      6MB         (2) 1M x 9      (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE            NONE

      9MB        (2) 256K x 9    (2) 256K x 9     (2) 4M x 9

      12MB        (2) 1M x 9      (2) 1M x 9      (2) 4M x 9

      16MB        (2) 4M x 9      (2) 4M x 9         NONE