CAF TECHNOLOGY, INC.

CAF I421

Processor         80486SX/80487SX/80486DX
Processor Speed   20/33MHz
Chip Set          UMC
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J4       Power LED & keylock         J7

  Turbo switch                J5       Reset switch                W7

  Speaker                     J6       Turbo LED                   W11

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        J8            pins 2 & 3
                                                              closed

  »   Monitor type select monochrome           W8              Open

      Monitor type select color                W8             Closed

  »   Factory configured - do not alter        W10            Closed

  »   Factory configured - do not alter        W20           pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (4) 256KB x 9         NONE

       2MB        (4) 256KB x 9    (4) 256KB x 9

       4MB          (4) 1MBx 9          NONE

       5MB        (4) 256KB x 9      (4) 1MBx 9

       8MB          (4) 1MBx 9       (4) 1MBx 9

      16MB         (4) 4MB x 9          NONE

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

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

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

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

     128KB       (4) 32K x 8      NONE

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

                 CACHE JUMPER CONFIGURATION

   Size       W1        W2        W3        W4        W5

   64KB      Open      1 & 2     1 & 2     1 & 2    2 & 3

  128KB     1 & 2      1 & 2     2 & 3     2 & 3    2 & 3

  256KB     2 & 3      2 & 3     2 & 3     1 & 2    2 & 3

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

     Type           W12            W13            W14            W15

   80486SX         Open           Open         pins 2 & 3       Closed
                                                closed

   80487SX       pins 2 & 3      Closed        pins 1 & 2        Open
                  closed                        closed

   80486DX       pins 1 & 2      Closed        pins 1 & 2        Open
                  closed                        closed