
FREE COMPUTER TECHNOLOGY, INC.

80486EISA (VERSION 1.0)

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          Intel
Max. Onboard DRAM 64MB
SRAM Cache        64/256KB
BIOS              Award
Dimensions        355.6mm x 304.8mm
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                     Jumper          Position

                                              W8            pins 1 & 2
                                                              closed
      Cache select 64KB                        W9
                                                             pins 1 & 2
                                              W11             closed

                                                             pins 1 & 2
                                                              closed

                                              W8            pins 2 & 3
                                                              closed
      Cache select 256KB                       W9
                                                             pins 2 & 3
                                              W11             closed

                                                             pins 2 & 3
                                                              closed

      SRAM CONFIGURATION

     Size        Cache SRAM

     64KB        (8) 8K x 8

     256KB      (8) 32K x 8

                         DRAM SWITCH CONFIGURATION

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

  1MB       open         open         open          open         open

  2MB      closed        open         open          open         open

  3MB       open        closed        open          open         open

  4MB      closed       closed        open          open         open

  4MB       open         open        closed         open         open

  5MB       open         open        closed        closed        open

  6MB       open        closed        open         closed        open

  7MB      closed        open         open         closed        open

  8MB      closed        open        closed         open         open

  9MB       open        closed       closed        closed        open

  10MB     closed       closed        open         closed        open

  12MB      open        closed       closed         open         open

  13MB     closed       closed       closed        closed        open

  16MB     closed       closed       closed         open         open

  16MB      open         open         open          open        closed

  32MB      open         open        closed         open        closed

  48MB      open         open         open         closed       closed

  64MB      open         open        closed        closed       closed

                            DRAM CONFIGURATION

     Size         Bank 1         Bank 2         Bank 3         Bank 4

     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) 4M x 9        NONE           NONE           NONE

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

     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

