AMERICAN MEGATRENDS, INC.

AMI 386SX CACHE

Processor         80386SX
Processor Speed   20/25MHz
Chip Set          AMI
Max. Onboard DRAM 8MB
Cache             32KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Power LED & keylock         J6

  Reset switch                J4       Speaker                     J7

  Turbo LED                   J5       Turbo switch                J10

                        USER CONFIGURABLE SETTINGS

             Function                 Jumper/Switch          Position

  »   Battery select internal               J1                Closed

      Battery select external               J1                 Open

      DRAM address sequence                 J3            pins 1 & 2, 3 &
      select bank 1, then bank 2                             4 closed

      DRAM address sequence                 J3            pins 2 & 3, 4 &
      select bank 2, then bank 1                             5 closed

  »   Factory configured - do               J8                 N/A
      not alter

  »   CMOS memory normal                    J9                 Open
      operation

      CMOS memory clear                     J9                Closed

  »   Factory configured - do              J11                 N/A
      not alter

  »   Factory configured - do              J12                 N/A
      not alter

  »   Factory configured - do              J13                 N/A
      not alter

  »   Factory configured - do             SW1/1                Off
      not alter

  »   Monitor type select                 SW1/2                Off
      monochrome

      Monitor type select color           SW1/2                 On

      Note : Cache is factory installed , and is not configurable. The
      size and location of cache and tag are unidentified.

              DRAM CONFIGURATION

      Size          Bank 1          Bank 2

      1MB         (4) 256K x 9       NONE

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

      4MB         (4) 1M x 9         NONE

      8MB         (4) 1M x 9      (4) 1M x 9