
UNIDENTIFIED

AT-386

Processor              80386
Processor Speed        25MHz
Chip Set               VLSI
Video Chip Set         None
Maximum Onboard Memory 8MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80287/80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J1       Reset switch                J13

  Speaker                     J2       External battery            J14

  MIPS counter                J3       On board LED                J15

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J4           Unidentified
      alter

      80287 enabled                         J5              Closed

      80287 disabled                        J5               Open

     CMOS memory normal operation          J6         Pins 1 & 2 closed

      CMOS memory clear                     J6         Pins 2 & 3 closed

      Monitor type select color             J11             Closed

      Monitor type select monochrome        J11              Open

      Reset valid after keyboard is         J12        Pins 1 & 2 closed
      locked

      Reset valid at all times              J12        Pins 2 & 3 closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     512MB      (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

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

      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

                     NPU SPEED SELECTION

        Speed                 J7                   J8

      Low speed        Pins 1 & 2 closed   Pins 2 & 3 closed

        10MHz          Pins 2 & 3 closed   Pins 1 & 2 closed

