
UNIDENTIFIED

386/25

Processor         80386DX
Processor Speed   25MHz
Chip Set          OPTI
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        331mm x 219mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose                Location

  Reset switch             J12         Speaker                  J15

  Turbo switch             J13         Power LED &              J16
                                       keylock

  Turbo LED                J14         External battery    J1 pins 1 & 4

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

     Battery type select internal            J1        pins 2 & 3 closed

      Battery type select external            J1             Closed

     Monitor type select monochrome          J3              Open

      Monitor type select color               J3             Closed

     Factory configured - do not             J7               N/A
      alter

     Factory configured - do not             J8               N/A
      alter

     Factory configured - do not             J9               N/A
      alter

  Note:Jumpers J7, J8, and J9 are used on a different revision of this
  board to configure cache.

  They are not used on this board.

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

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

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

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

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

     5MB        (4) 256K x 9   (4) 1M x 9        NONE           NONE

     5MB        (4) 1M x 9     (4) 256K x 9      NONE           NONE

     6MB        (4) 256K x 9   (4) 256K x 9   (4) 1M x 9        NONE

     6MB        (4) 256K x 9   (4) 1M x 9     (4) 256K x 9      NONE

     6MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9      NONE

     7MB        (4) 256K x 9   (4) 256K x 9   (4) 1M x 9    (4) 256K x 9

     7MB        (4) 256K x 9   (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     7MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     9MB        (4) 256K x 9   (4) 1M x 9     (4) 1M x 9        NONE

     9MB        (4) 1M x 9     (4) 256K x 9   (4) 1M x 9        NONE

     9MB        (4) 1M x 9     (4) 1M x 9     (4) 256K x 9      NONE

     10MB       (4) 256K x 9   (4) 256K x 9   (4) 1M x 9     (4) 1M x 9

     10MB       (4) 256K x 9   (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     10MB       (4) 1M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     10MB       (4) 1M x 9     (4) 256K x 9   (4) 1M x 9    (4) 256K x 9

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

     13MB       (4) 256K x 9   (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     13MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     13MB       (4) 1M x 9     (4) 256K x 9   (4) 1M x 9     (4) 1M x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

