AST RESEARCH, INC.

PREMIUM WORKSTATION (80386SX)

MODEL 202276-001

Processor               80386SX
Processor Speed         16MHz
Chip Set                AST
Max. Onboard DRAM       6MB
Cache                   None
BIOS                    AST
Dimensions              360mm x 218mm
I/O Options             Floppy drive interface, IDE interface, parallel
                        port, serial port (2), tape drive interface, video
                        controller module
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Parallel port              CN1       Floppy drive                J3
                                       interface

  Serial port 2 (COM2)       CN2       Tape drive interface        J5

  Serial port 1 (COM1)       CN3       External battery            J6

  Video port                 CN4       Riser card                  S1

  Front panel switches        J1       Optional ROM (odd)         U82
  & LEDs

  IDE interface               J2       Optional ROM (even)        U99

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured - do not            E1                 open
      alter

  »   Factory configured - do not            E2                 open
      alter

  »   Monitor type select color         SW1/switch 1           closed

      Monitor type select               SW1/switch 1            open
      monochrome

  »   Password check enabled            SW1/switch 2            open

      Password clear                    SW1/switch 2           closed

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

     512KB       (2) 256K x 9        NONE            NONE

      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         NONE            NONE

     2.5MB        (2) 1M x 9     (2) 256K x 9        NONE

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