FIRST INTERNATIONAL COMPUTER, INC.

486-VC-HD

Processor        80486SX/80487SX/80486DX/80486DX2
Processor Speed  25/33/40/50(internal)/50/66(internal)MHz
Chip Set         VIA
Max. Onboard DRAM128MB
Cache            64/128/256KB
BIOS             Award
Dimensions       254mm x 220mm
I/O Options      None
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                   J5       Speaker                     J8

  Turbo switch                J6       Power LED & keylock         J9

  Reset switch                J7

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

  »   CMOS memory normal operation               J1             Open

      CMOS memory clear                          J1            Closed

  »   Monitor type select                        J2             Open
      monochrome/EGA/VGA

      Monitor type select color                  J2            Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        NONE

      65MB        (4) 256K x 9   (4) 16M x 9

      65MB        (4) 16M x 9    (4) 256K x 9

      68MB        (4) 1M x 9     (4) 16M x 9

      68MB        (4) 16M x 9     (4) 1M x 9

      80MB        (4) 4M x 9     (4) 16M x 9

      80MB        (4) 16M x 9     (4) 4M x 9

     128MB        (4) 16M x 9    (4) 16M x 9

.

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1         TAG 0          TAG 1

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8     (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8     (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8    (1) 32K x 8

  Note: TAG 1 is optional.

                  CACHE JUMPER CONFIGURATION

        Size                 JS1                  JS2

        64KB           pins 1 & 2 closed   pins 1 & 2 closed

        128KB          pins 2 & 3 closed   pins 1 & 2 closed

        256KB          pins 2 & 3 closed   pins 2 & 3 closed

                          CPU TYPE CONFIGURATION

       Type               JC1                JC2               JC3

      80486SX          pins 2 & 3         pins 2 & 3           Open
                         closed            closed

      80487SX          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

      80486DX          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed

     80486DX2          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed

             CPU TYPE CONFIGURATION

          Type                    JC4

     PQFP installed              Open

     PGA installed               Open

  PQFP & PGA installed          Closed

                   CPU SPEED CONFIGURATION

        Speed                JK1                  JK2

         1x            pins 2 & 3 closed   pins 1 & 2 closed

         2x            pins 1 & 2 closed   pins 2 & 3 closed