
FREE COMPUTER TECHNOLOGY, INC.

80486SWB-ISA

Processor         80486SX/80486DX
Processor Speed   20/25/33MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                  JP11      External battery            J11

  Power LED & keylock         J20      Reset switch                SW1

  Speaker                     J21      Turbo switch                SW2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP2             Open

      Monitor type select monochrome           JP2            Closed

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     4MB        (4) 1M x 9        NONE           NONE          NONE

     8MB        (4) 1M x 9     (4) 1M x 9        NONE          NONE

     12MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36       NONE

     16MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 1M x 36

     20MB       (4) 1M x 9     (4) 4M x 9        NONE          NONE

     20MB       (4) 4M x 9     (4) 1M x 9        NONE          NONE

     24MB       (4) 1M x 9     (4) 4M x 9    (1) 1M x 36       NONE

     24MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36       NONE

     28MB       (4) 1M x 9     (4) 4M x 9    (1) 1M x 36    (1) 1M x 36

     28MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36    (1) 1M x 36

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

            CACHE CONFIGURATION

     Size          Bank 0          TAG

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

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

               CACHE JUMPER CONFIGURATION

  Size         JP9            JP10             JP12

  64KB        Open            Open             Open

  256KB      Closed          Closed           Closed

                          CPU TYPE CONFIGURATION

       Type               JP3               JP4                JP5

      80486SX             Open              Open            pins 2 & 3
                                                             closed

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

      80486DX          pins 2 & 3          Closed           pins 1 & 2
                         closed                              closed

