UNIDENTIFIED

OPTI-495SLC 386 WB

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          OPTI
Max. Onboard DRAM 64MB
Cache             128KB
BIOS              AMI
Dimensions        220mm x 165mm
I/O Options       None
NPU Options       80387DX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo switch               JP4

  Power LED & keylock         J16       Speaker                    JP6

  Turbo LED                   JP3       Reset switch               S1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select monochrome          JP1              Open

      Monitor type select color               JP1             Closed

  »   CMOS memory normal operation            JP2           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP2           pins 1 & 2
                                                              closed

  »   Turbo mode disabled                     JP4              Open

      Turbo mode enabled                      JP4             Closed

  »   PQFP CPU enabled                        JP5              Open

      PQFP CPU disabled                       JP5             Closed

              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

      17MB        (4) 256K x 9    (4) 4M x 9

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

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

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

      64MB        (4) 16M x 9        NONE

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     128KB       (4) 32K x 8   (1) 8K x 8

   CPU SPEED CONFIGURATION

  Speed      JP7      JP8

  33MHz     Open     Closed

  40MHz     Open      Open