
FIRST INTERNATIONAL COMPUTER, INC.

386SX-16/20V

Processor         80386SX
Processor Speed   16/20MHz
Chip Set          Symphony
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI/Award/Phoenix
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                  J13       Reset switch                J15

  Speaker                    J14       Power LED & keylock         J16

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Monitor type select                     J2             pins 2 & 3
      monochrome                                               closed

      Monitor type select color               J2             pins 1 & 2
                                                               closed

      640K to 1M DRAM re-mapping              J5             pins 2 & 3
      disabled                                                 closed

      Memory access 2 wait states/            J8             pins 1 & 2
      I/O select 6 wait states                                 closed

      Memory access 1 wait state/             J8             pins 2 & 3
      I/O select 4 wait states                                 closed

      NPU enabled                             J9             pins 1 & 2
                                                               closed

      NPU disabled                            J9             pins 2 & 3
                                                               closed

     NPU mode select synchronous            J10             pins 1 & 2
      with CPU clock                                           closed

      NPU mode select synchronous            J10             pins 2 & 3
      with crystal installed at                                closed
      OSC1

      CPU speed select 20MHz                 J11             pins 1 & 2
                                                               closed

      CPU speed select 16MHz                 J11             pins 2 & 3
                                                               closed

     CPU speed select fast                  J12                Open

      CPU speed select slow                  J12             pins 2 & 3
                                                               closed

      CPU speed select switchable            J12             pins 1 & 2
      from keyboard                                            closed

     Factory configured - do not            J17                N/A
      alter

     Factory configured - do not            J18                N/A
      alter

     Shadow RAM enabled                    SW1/1                On

      Shadow RAM disabled                   SW1/1               Off

     Factory configured - do not           SW1/2               N/A
      alter

                            DRAM CONFIGURATION

   Size         Bank 0         Bank 1          Bank 2          Bank 3

   512KB     (2) 256K x 9       NONE            NONE            NONE

    1MB      (2) 256K x 9    (2) 256K x 9       NONE            NONE

   1.5MB     (2) 256K x 9    (2) 256K x 9    (2) 256K x 9       NONE

    2MB      (2) 256K x 9    (2) 256K x 9    (2) 256K x 9   (2) 256K x 9

    2MB       (2) 1M x 9        NONE            NONE            NONE

    3MB      (2) 256K x 9    (2) 256K x 9    (2) 1M x 9         NONE

    4MB       (2) 1M x 9     (2) 1M x 9         NONE            NONE

    5MB      (2) 256K x 9    (2) 256K x 9    (2) 1M x 9      (2) 1M x 9

    6MB       (2) 1M x 9     (2) 1M x 9      (2) 1M x 9         NONE

    8MB       (2) 1M x 9     (2) 1M x 9      (2) 1M x 9      (2) 1M x 9

               DRAM JUMPER/SWITCH CONFIGURATION

  Size      J6       J7     SW1/5    SW1/6    SW1/7    SW1/8

  512KB    2 & 3   2 & 3     Off      Off      Off      Off

   1MB     2 & 3   2 & 3      On      Off      Off      Off

  1.5MB    2 & 3   2 & 3     Off       On      Off      Off

   2MB     2 & 3   2 & 3      On       On      Off      Off

   2MB     1 & 2   1 & 2     Off      Off       On      On

   3MB     2 & 3   1 & 2     Off       On       On      Off

   4MB     1 & 2   1 & 2      On      Off       On      On

   5MB     2 & 3   1 & 2      On       On       On      Off

   6MB     1 & 2   1 & 2     Off       On       On      On

   8MB     1 & 2   1 & 2      On       On       On      On

  Note: Pins designated should be in the closed position.

        DRAM WAIT STATE/WRITE SELECT CONFIGURATION

  Wait state    Wait select       SW1/3          SW1/4

       2             2              On            On

       2             1              On            Off

       1             1             Off            Off

                      BIOS CONFIGURATION

        Size                  J3                   J4

        27128          pins 1 & 2 closed   pins 1 & 2 closed

        27256          pins 1 & 2 closed   pins 2 & 3 closed

        27512          pins 2 & 3 closed   pins 2 & 3 closed

