UNIDENTIFIED

OPTI 386 DX

Processor         80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          Opti
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387DX/CX487DLC

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo LED                 JP12

  Power LED & keylock         J18       Reset switch               SW1

  Speaker                     J19

                        USER CONFIGURABLE SETTINGS

              Function                   Jumper            Position

  »   CMOS memory normal operation         JP3         pins 2 & 3 closed

      CMOS memory clear                    JP3         pins 1 & 2 closed

  »   Factory configured-do not            JP4                N/A
      alter

  »   Factory configured-do not            JP7                N/A
      alter

  »   Factory configured do not           JP11                N/A
      alter

          CPU TYPE SELECT

    Type        JP5        JP13

  CX486DLC    Closed      Closed

  80386DX      Open        Open

     CLOCK SPEED SELECT

  Speed      JP1      JP2

  33MHz     Closed   Closed

  40MHz     Open      Open

                        CACHE JUMPER CONFIGURATION

  Size       JP6        JP8        JP9       JP10      JP17       JP18

  64KB       Open       Open       Open     Pins 2     Open       Open
                                             & 3

  128KB     Closed     Closed      Open     Pins 1     Open      Closed
                                             & 2

  256KB     Closed     Closed     Closed    Pins 2    Closed     Closed
                                             & 3

  Note:All pins designated should be in the closed position.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      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

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9