FIRST INTERNATIONAL COMPUTER, INC.

486-JAL REV. B

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   25/33/50(internal)/66(internal)MHz
Chip Set          Via
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       PS/2 mouse port, parallel port, serial ports (2), VGA
                  port, VGA feature connector, floppy drive interface, IDE
                  interface, riser slot
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  PS/2 mouse port             CN2      VGA feature connector       J13

  Serial port 1               CN3      Turbo switch                J19

  Serial port 2               CN4      Turbo LED                   J20

  Parallel port               CN5      Reset switch                J21

  VGA port                    CN6      Speaker                     J22

  Floppy drive interface      CN8      Power LED & keylock         J23

  IDE interface               CN9      IDE interface LED           J45

  External battery            J9       Riser Card                  SL1

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

  »   Monitor type select                        J4             Open
      monochrome/EGA/VGA

      Monitor type select color                  J4            Closed

  »   CMOS memory normal operation               J5             Open

      CMOS memory clear                          J5            Closed

  »   Factory configured - do not alter          J7             Open

  »   Battery type select internal               J8          pins 2 & 3
                                                               closed

      Battery type select external               J8          pins 1 & 2
                                                               closed

  »   On board VGA enabled                      J10          pins 1 & 2
                                                               closed

      On board VGA disabled                     J10          pins 2 & 3
                                                               closed

  »   Factory configured - do not alter         J12             N/A

  »   IDE interface enabled                     J24          pins 1 & 2
                                                               closed

      IDE interface disabled                    J24          pins 2 & 3
                                                               closed

  »   Password normal operation                 J25             Open

      Password reset                            J25            Closed

  »   Factory configured - do not alter         JC5             N/A

  »   Floppy drive type select 1.44MB           JF1          pins 2 & 3
                                                               closed

      Floppy drive type select 2.88MB           JF1          pins 1 & 2
                                                               closed

               DRAM CONFIGURATION 1

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 36         NONE

       2MB        (1) 256K x 36    (1) 256K x 36

       4MB         (1) 1M x 36          NONE

       5MB         (1) 1M x 36     (1) 256K x 36

       8MB         (1) 1M x 36      (1) 1M x 36

      16MB         (1) 4M x 36          NONE

      17MB         (1) 4M x 36     (1) 256K x 36

      20MB         (1) 4M x 36      (1) 1M x 36

      32MB         (1) 4M x 36      (1) 4M x 36

                           DRAM CONFIGURATION 2

          Size                   Bank 0A                  Bank 1

          4MB                      4MB                     NONE

          5MB                      4MB                 (1) 256K x 36

          8MB                      4MB                  (1) 1M x 36

          20MB                     4MB                  (1) 4M x 36

  Note: Bank 0A is factory installed and is not configurable. Use either
  this table or the above table.

            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

                          CPU TYPE CONFIGURATION

      Type          J11        JC1         JC2         JC3         JC4

  80486SX PQFP     2 & 3      2 & 3       2 & 3       2 & 3       Open

  80486SX PGA      1 & 2      2 & 3       2 & 3       2 & 3       Open

    80487SX        1 & 2      1 & 2       1 & 2       2 & 3       2 & 3

    80486DX        1 & 2      1 & 2       1 & 2       1 & 2       1 & 2

    80486DX2       1 & 2      1 & 2       1 & 2       1 & 2       1 & 2

  Note: Pins designated should be in the closed position.

         CPU SPEED CONFIGURATION

        Speed                JK1

        25MHz         pins 5 & 6 closed

        33MHz         pins 1 & 2 closed

       50iMHz         pins 5 & 6 closed

       66iMHz         pins 1 & 2 closed

                HARD DRIVE SPEED CONFIGURATION

        Speed                J16                  J17

          0            pins 2 & 3 closed   pins 2 & 3 closed

          1            pins 1 & 2 closed   pins 2 & 3 closed

          2            pins 1 & 2 closed   pins 1 & 2 closed

         BUS SPEED CONFIGURATION

      CPU speed              J18

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

                  VRAM CONFIGURATION

       Size             Bank 0            Bank 1

      512KB             512KB              NONE

       1MB              512KB              512KB

       2MB               1MB                1MB

  Note: The size of the VRAM chips are unidentified.