UNIDENTIFIED

80386SX-16/20

Processor         80386SX
Processor Speed   16/20MHz
Chip Set          VLSI TOPCAT
Max. Onboard DRAM 32MB
Cache             None
BIOS              AMI/Award
Dimensions        333mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  External battery            J1       Power LED & keylock         J5

  Turbo LED                   J2       Speaker                     J6

  Turbo switch                J3       Auxiliary keyboard          JP5

  Reset switch                J4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select monochrome           JP1           pins 2 & 3
                                                              closed

      Monitor type select color                JP1           pins 1 & 2
                                                              closed

  »   Power good signal detect from            JP2           pins 2 & 3
      board                                                   closed

      Power good signal detect from            JP2           pins 1 & 2
      power supply                                            closed

  »   Battery select external                  JP4           pins 2 & 3
                                                              closed

      Battery select internal                  JP4           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter       JP11            Closed

  »   Factory configured - do not alter       JP12             Open

  »   Factory configured - do not alter       JP13            Closed

  »   Factory configured - do not alter       JP14            Closed

  »   Factory configured - do not alter        T2               N/A

                            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 x 9        NONE            NONE            NONE

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

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

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

   4.5MB      (2) 1M x 9     (2) 1M x 9      (2) 256K x 9       NONE

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

    8MB       (2) 4M x 9        NONE            NONE            NONE

    9MB      (2) 256K x 9    (2) 256K x 9    (2) 4M x 9         NONE

   10MB       (2) 1M x 9     (2) 4M x 9         NONE            NONE

   12MB       (2) 1M x 9     (2) 1M x 9      (2) 4M x 9         NONE

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

   17MB      (2) 256K x 9    (2) 256K x 9    (2) 4M x 9      (2) 4M x 9

   18MB       (2) 4M x 9     (2) 4M x 9      (2) 1M x 9         NONE

   20MB       (2) 1M x 9     (2) 1M x 9      (2) 4M x 9      (2) 4M x 9

   24MB       (2) 4M x 9     (2) 4M x 9      (2) 4M x 9         NONE

   32MB       (2) 4M x 9     (2) 4M x 9      (2) 4M x 9      (2) 4M x 9