
KOUWELL ELECTRONIC CORPORATION

486-33EZ

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          OPTI
Max. Onboard DRAM 64MB
Cache             64/256KB
BIOS              AMI/Award
Dimensions        305mm x 355mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Reset switch                W1       Power LED & Keylock         W5

  Turbo LED                   W2       Speaker                     W6

  Turbo switch                W3       External battery            W10

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

     Factory configured - do not alter       SW1/6             N/A

                            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

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

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

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

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

     16MB       (4) 4M x 9        NONE           NONE           NONE

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

                DRAM SWITCH CONFIGURATION

   Size     SW1/1     SW1/2     SW1/3     SW1/4    SW1/5

   1MB       Off       Off       Off       Off      Off

   2MB        On       Off       Off       Off      Off

   3MB       Off       On        Off       Off      Off

   4MB        On       On        Off       Off      Off

   4MB       Off       Off       On        Off      Off

   5MB       Off       Off       On        On       Off

   6MB       Off       On        Off       On       Off

   7MB        On       Off       Off       On       Off

   8MB        On       Off       On        Off      Off

   9MB       Off       On        On        On       Off

   10MB       On       On        Off       On       Off

   12MB      Off       On        On        Off      Off

   13MB       On       On        On        On       Off

   16MB       On       On        On        Off      Off

   16MB      Off       Off       Off       Off      On

   32MB      Off       Off       On        Off      On

   48MB      Off       Off       Off       On       On

   64MB      Off       Off       On        On       On

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     64KB        (8) 8K x 8    (3) 8K x 8

     256KB       (8) 32K x 8   (3) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               W8                  W9                W11

      64KB            pins 1 & 2         pins 1 & 2            Open
                       closed              closed

      256KB           pins 2 & 3         pins 2 & 3           Closed
                       closed              closed

