
FIRST INTERNATIONAL COMPUTER, INC.

386-20/25V

Processor         80386DX
Processor Speed   20/25MHz
Chip Set          Symphony
Max. Onboard DRAM 8MB
Cache             None
BIOS              Award/Phoenix
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Reset switch              J12       Power LED & keylock         J15

  Speaker                   J13       32-bit external memory       S1
                                      card

  Turbo LED                 J14

                        USER CONFIGURABLE SETTINGS

               Function                      Jumper          Position

     Factory configured - do not              J3              Open
      alter

     Factory configured - do not              J4              Open
      alter

     Memory select 2 wait states/             J5             Closed
      I/O select 6 wait states

      Memory select 1 wait state/ I/O          J5              Open
      select 4 wait states

      BIOS type select 27256                   J6            pins 1 & 2
                                                              closed

      BIOS type select 27512                   J6            pins 2 & 3
                                                              closed

      CPU speed select 20MHz                   J9              Open

      CPU speed select 25MHz                   J9             Closed

     CPU speed select switchable             J15            pins 2 & 3
      from keyboard                                           closed

      CPU speed select fast                   J15            pins 1 & 2
                                                              closed

      CPU speed select slow                   J15              Open

      Bus speed select iOSC/2                 J17            pins 1 & 2
                                                              closed

      Bus speed select 8MHz                   J17            pins 2 & 3
                                                              closed

     Shadow RAM enabled                  SW1/switch 6        closed

      Shadow RAM disabled                 SW1/switch 6         open

      DRAM read select 2 wait             SW1/switch 7        closed
      states/write select 2 wait
      states                              SW1/switch 8        closed

      DRAM read select 2 wait             SW1/switch 7        closed
      states/write select 1 wait
      state                               SW1/switch 8         open

      DRAM read select 1 wait             SW1/switch 7         open
      state/write select 1 wait state
                                          SW1/switch 8         open

      NPU enabled                         SW1/switch 9        closed

      NPU disabled                        SW1/switch 9         open

     Monitor type select monochrome     SW1/switch 10         open

      Monitor type select color          SW1/switch 10        closed

                            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

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

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

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

  Note:Banks 2 & 3 are utilized when a 32-bit external memory card is
  installed at S1.

              DRAM JUMPER/SWITCH CONFIGURATION

  Size      J7     SW1/1    SW1/2    SW1/3   SW1/4    SW1/5

   1MB    2 & 3     Off      Off      Off     Off      Off

   2MB    2 & 3      On      Off      Off     Off      Off

   3MB    2 & 3     Off      On       Off     Off      Off

   4MB    2 & 3      On      On       Off     Off      Off

   4MB    1 & 2     Off      Off      On       On       On

   6MB    2 & 3     Off      On       On      Off      Off

   8MB    1 & 2      On      Off      On       On       On

  10MB    2 & 3      On      On       On      Off      Off

  12MB    1 & 2     Off      On       On       On       On

  16MB    1 & 2      On      On       On       On       On

  Note:Pins designated should be in the closed position.

             DRAM READ/WRITE CONFIGURATION

  Wait state   Read state       SW1/7        SW1/8

      2             2            On            On

      2             1            On           Off

      1             1            Off          Off

