WELLS AMERICAN CORPORATION

COMPUSTAR II (VER. 1)

Processor         80386SX
Processor Speed   16MHz
Chip Set          C & T
Max. Onboard DRAM 8MB
SRAM Cache        32KB
BIOS              Award/Wells American
Dimensions        330mm x 127mm
I/O Options       Processor Interface Slot
NPU Options       80387SX

[Image]

               CONNECTIONS

  Purpose                     Location

  Processor Interface Slot       S1

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     512KB      (2) 256K x 9      NONE           NONE           NONE

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

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

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

      2MB        (2) 1M x9        NONE           NONE           NONE

      3MB        (2) 1M x 9    (2) 256K x9    (2) 256K x 9      NONE

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

      5MB        (2) 1M x9      (2) 1M x9     (2) 256K x 9  (2) 256K x 9

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

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

[Image]

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured do not              W1              pins 2 & 3
      alter                                                    closed

  »   NPU disabled                           W2                closed

      NPU enabled                            W2                 open

  »   Monitor type select color              W3              pins 2 & 3
                                                               closed

      Monitor type select                    W3              pins 1 & 2
      monochrome                                               closed

  »   Mouse enabled                          W4              pins 1 & 2
                                                               closed

      Mouse disabled                         W4              pins 2 & 3
                                                               closed

  »   Factory configured do not              W5              pins 2 & 3
      alter                                                    closed

  »   Factory configured do not              W6              pins 2 & 3
      alter                                                    closed