
UNIDENTIFIED

OPTI 386-25/386-33

Processor         80386DX (Exact location is unknown)
Processor Speed   25/33MHz
Chip Set          OPTi
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387DX/3167

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                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                   CR4      Power LED & keylock         J23

  External battery            J10      Reset switch                SW1

  Speaker                     J22      Turbo switch                SW2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color               JP1             Closed

      Monitor type select monochrome          JP1              Open

                            DRAM CONFIGURATION

    Size         Bank 0        Bank 1         Bank 2           Bank 3

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

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

     3MB        (4) 256K x    (4) 256K x    (36) 41256          NONE
                    9             9

     4MB        (4) 256K x    (4) 256K x    (36) 41256       (36) 41256
                    9             9

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

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

     8MB       (4) 1M x 9       NONE        (36) 411000         NONE

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

    16MB       (4) 1M x 9    (4) 1M x 9     (36) 411000     (36) 411000

  Note:The locations of Bank 2 & Bank 3 can be found on the external
  memory card.

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