AMERICAN MEGATRENDS, INC.

AMI 386SX-I

Processor         80386SX
Processor Speed   16/20MHz
Chip Set          Intel
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J5       Turbo LED                  J14

  Speaker                     J10       Turbo switch               J18

  Power LED & keylock         J11       Reset switch               J19

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Keyboard reset enabled                  J2               Closed

      Keyboard reset disabled                 J2                Open

  »   Factory configured - do not            J17                N/A
      alter

  »   BIOS type select 2764 or               J26             pins 1 & 2
      27128                                                    closed

      BIOS type select 27256                 J26             pins 2 & 3
                                                               closed

  »   Factory configured - do not           SW1/1               Off
      alter

  »   Monitor type select                   SW1/2               Off
      monochrome

      Monitor type select color             SW1/2                On

      Note : The location of J17 is unidentified.

                            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

      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

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

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

                   DRAM SPEED CONFIGURATION

        Speed                 J8                   J9

   100ns fast page     pins 1 & 2 closed   pins 1 & 2 closed

        100ns          pins 2 & 3 closed   pins 1 & 2 closed

        120ns          pins 2 & 3 closed   pins 2 & 3 closed