
UNIDENTIFIED

386H

Processor         80386DX/CX486DLC
Processor Speed   25/33/40MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80387DX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo switch              JP11

  Power LED & keylock         J18       Turbo LED                 JP12

  Speaker                     J19       Reset switch               SW1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP3           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP3           pins 1 & 2
                                                              closed

      Monitor type select color               JP4             Closed

      Monitor type select monochrome          JP4              Open

     Factory configured - do not             JP8              N/A
      alter

     Factory configured - do not             JP9              N/A
      alter

              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

      5MB         (4) 256K x 9    (4) 1M x 9

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

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

  Note: The location of TAG is unidentified.

                        CACHE JUMPER CONFIGURATION

     Size          JP6            JP10           JP17            JP18

     64KB          Open         pins 2 & 3       Open            Open
                                 closed

    128KB         Closed        pins 1 & 2       Open           Closed
                                 closed

    256KB         Closed        pins 2 & 3      Closed          Closed
                                 closed

                    CPU TYPE CONFIGURATION

        Type                 JP5                  JP20

       80386DX               Open                 Open

      CX486DLC              Closed         pins 1 & 2 closed

             CPU SPEED CONFIGURATION

  Speed      JP2      JP14      JP15      JP16

  25MHz      N/A     Closed     Open     Closed

  33MHz     Closed    Open     Closed    Closed

  40MHz      Open    Closed     Open      Open


