UNIDENTIFIED

80386SX-E

Processor         80386SX/CX486SLC
Processor Speed   16/20/25/33MHz
Chip Set          ALI
Max. Onboard DRAM 16MB
SRAM Cache        None
BIOS              AMI
Dimensions        220mm x 180mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                Location

  External keyboard          J1        Power LED &               J10
                                       keylock

  External battery       J2 pins 1 &   Reset switch              J11
                             4

  Turbo LED                  J8        Speaker                   J12

  Turbo switch               J9

                        USER CONFIGURABLE SETTINGS

               Function                    Jumper           Position

  »   Battery select internal                J2            pins 1 & 4
                                                           connected

      Battery select external                J2        pins 2 & 3 closed

  »   Monitor type select monochrome         J3        pins 1 & 2 closed

      Monitor type select color              J3        pins 2 & 3 closed

  »   NPU mode select synchronous            J5        pins 1 & 2 closed
      with CPU

      NPU mode select asynchronous           J5        pins 2 & 3 closed
      with CPU

                CPU SPEED JUMPER CONFIGURATION

        Size              Jumper J4            Jumper J6

        16MHz          pins 1 & 2 closed   pins 1 & 2 closed

        20MHz          pins 1 & 2 closed   pins 2 & 3 closed

        25MHz          pins 2 & 3 closed   pins 1 & 2 closed

        33MHz          pins 2 & 3 closed   pins 2 & 3 closed

                            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

      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

      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

     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