
FIRST INTERNATIONAL COMPUTER, INC.

486-GVT (REV. A2)

Processor    CX486S/80486SX/CX486DX/CX487S/80486DX/80486DX2/Pentium
             Overdrive
Processor    25/33/50(internal)/50/66(internal)/66MHz
Speed
Chip Set     VIA
Max. Onboard 96MB
DRAM
Cache        64/128/256KB
BIOS         AMI/Award
Dimensions   259mm x 218mm
I/O Options  32-bit VESA local bus slots (2)
NPU Options  None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery            J1       Speaker                    J12

  Turbo LED                   J9       Power LED & keylock        J13

  Turbo switch               J10       32-bit VESA Local bus      SL1
                                       slot

  Reset switch               J11       32-bit VESA Local bus      SL2
                                       slot

                        USER CONFIGURABLE SETTINGS

                  Function                      Jumper        Position

     Battery select - internal                   J2          pins 2 & 3
                                                               closed

      Battery select - external                   J2          pins 1 & 2
                                                               closed

     Monitor type select                         J4            Open
      monochrome/EGA/VGA

      Monitor type select color                   J4           Closed

     Password clear - AMI                        J7          pins 2 & 3
                                                               closed

      Password clear - Award                      J7          pins 1 & 2
                                                               closed

     Factory configured - do not alter           J8          pins 1 & 2
                                                               closed

     80486SX/P23S/P4S/CX486S PQFP               JC6            Open
      disabled

      80486SX/P23S/P4S/CX486S PQFP enabled       JC6           Closed

     CPU 2X clock mode                          JX1          pins 2 & 3
                                                               closed

      CPU 1X clock mode                          JX1          pins 1 & 2
                                                               closed

     Factory configured - do not alter          JX2          pins 2 & 3
                                                               closed

     Keyboard select - external              JKB1-4, JX3     pins 1 & 2
                                                               closed

      Keyboard select - internal              JKB1-4, JX3     pins 2 & 3
                                                               closed

     Intel S-series CPU                         JCX1           Open

      CX486S                                     JCX1          Closed

                          DRAM CONFIGURATION

       Size            Bank 0            Bank 1            Bank 2

       1MB          (4) 256K x 9          NONE              NONE

       1MB              NONE         (1) 256KB x 36         NONE

       1MB              NONE              NONE         (1) 256KB x 36

       2MB          (4) 256K x 9     (1) 256KB x 36         NONE

       2MB              NONE         (1) 256KB x 36    (1) 256KB x 36

       2MB          (4) 256K x 9          NONE         (1) 256KB x 36

       3MB          (4) 256K x 9     (1) 256KB x 36    (1) 256KB x 36

       4MB           (4) 1M x 9           NONE              NONE

       4MB              NONE           (1) 1M x 36          NONE

       4MB              NONE              NONE          (1) 1M x 36

       5MB          (4) 256K x 9       (1) 1M x 36          NONE

       5MB          (4) 256K x 9          NONE          (1) 1M x 36

       5MB           (4) 1M x 9      (1) 256KB x 36         NONE

       5MB           (4) 1M x 9           NONE         (1) 256KB x 36

       5MB              NONE         (1) 256KB x 36     (1) 1M x 36

       5MB              NONE           (1) 1M x 36     (1) 256KB x 36

       6MB          (4) 256K x 9       (1) 1M x 36     (1) 256KB x 36

       6MB          (4) 256K x 9     (1) 256KB x 36     (1) 1M x 36

       6MB           (4) 1M x 9      (1) 256KB x 36    (1) 256KB x 36

       8MB           (4) 1M x 9        (1) 1M x 36          NONE

       8MB           (4) 1M x 9           NONE          (1) 1M x 36

       8MB              NONE           (1) 1M x 36      (1) 1M x 36

       9MB          (4) 256K x 9       (1) 1M x 36      (1) 1M x 36

       9MB           (4) 1M x 9      (1) 256KB x 36     (1) 1M x 36

       9MB           (4) 1M x 9        (1) 1M x 36     (1) 256KB x 36

                          DRAM CONFIGURATION

       12MB          (4) 1M x 9        (1) 1M x 36     (1) 256KB x 36

       16MB          (4) 4M x 9           NONE              NONE

       16MB             NONE           (1) 4M x 36          NONE

       16MB             NONE              NONE          (1) 4M x 36

       17MB         (4) 256K x 9       (1) 4M x 36          NONE

       17MB         (4) 256K x 9          NONE          (1) 4M x 36

       17MB             NONE         (1) 256KB x 36     (1) 4M x 36

       17MB             NONE           (1) 4M x 36     (1) 256KB x 36

       17MB          (4) 4M x 9      (1) 256KB x 36         NONE

       17MB          (4) 4M x 9           NONE         (1) 256KB x 36

       18MB         (4) 256K x 9     (1) 256KB x 36     (1) 4M x 36

       18MB         (4) 256K x 9       (1) 4M x 36     (1) 256KB x 36

       18MB          (4) 4M x 9      (1) 256KB x 36    (1) 256KB x 36

       20MB          (4) 1M x 9        (1) 4M x 36          NONE

       20MB          (4) 1M x 9           NONE          (1) 4M x 36

       20MB          (4) 4M x 9        (1) 1M x 36          NONE

       20MB          (4) 4M x 9           NONE          (1) 1M x 36

       20MB             NONE           (1) 1M x 36      (1) 4M x 36

       20MB             NONE           (1) 4M x 36      (1) 1M x 36

       21MB         (4) 256K x 9       (1) 1M x 36      (1) 4M x 36

       21MB         (4) 256K x 9       (1) 4M x 36      (1) 1M x 36

       21MB          (4) 1M x 9      (1) 256KB x 36     (1) 4M x 36

       21MB          (4) 1M x 9        (1) 4M x 36     (1) 256KB x 36

       21MB          (4) 4M x 9      (1) 256KB x 36     (1) 1M x 36

       21MB          (4) 4M x 9        (1) 1M x 36     (1) 256KB x 36

       24MB          (4) 1M x 9        (1) 1M x 36      (1) 4M x 36

       24MB          (4) 1M x 9        (1) 4M x 36      (1) 1M x 36

       24MB          (4) 4M x 9        (1) 1M x 36      (1) 1M x 36

       32MB          (4) 4M x 9        (1) 4M x 36          NONE

       32MB          (4) 4M x 9           NONE          (1) 4M x 36

       32MB             NONE           (1) 4M x 36      (1) 4M x 36

       33MB         (4) 256K x 9       (1) 4M x 36      (1) 4M x 36

       33MB          (4) 4M x 9      (1) 256KB x 36     (1) 4M x 36

       33MB          (4) 4M x 9        (1) 4M x 36     (1) 256KB x 36

       36MB          (4) 1M x 9        (1) 4M x 36      (1) 4M x 36

       36MB          (4) 4M x 9        (1) 1M x 36      (1) 4M x 36

       36MB          (4) 4M x 9        (1) 4M x 36      (1) 1M x 36

       48MB          (4) 4M x 9        (1) 4M x 36      (1) 4M x 36

       64MB          (4) 16M x 9          NONE              NONE

       65MB          (4) 16M x 9     (1) 256KB x 36         NONE

       65MB          (4) 16M x 9          NONE         (1) 256KB x 36

       66MB          (4) 16M x 9     (1) 256KB x 36    (1) 256KB x 36

       68MB          (4) 16M x 9       (1) 1M x 36          NONE

       68MB          (4) 16M x 9          NONE          (1) 1M x 36

       69MB          (4) 16M x 9     (1) 256KB x 36     (1) 1M x 36

                          DRAM CONFIGURATION

       69MB          (4) 16M x 9       (1) 1M x 36     (1) 256KB x 36

       72MB          (4) 16M x 9       (1) 1M x 36      (1) 1M x 36

       48MB          (4) 4M x 9        (1) 4M x 36      (1) 4M x 36

       64MB          (4) 16M x 9          NONE              NONE

       65MB          (4) 16M x 9     (1) 256KB x 36         NONE

       65MB          (4) 16M x 9          NONE         (1) 256KB x 36

       66MB          (4) 16M x 9     (1) 256KB x 36    (1) 256KB x 36

       68MB          (4) 16M x 9       (1) 1M x 36          NONE

       68MB          (4) 16M x 9          NONE          (1) 1M x 36

       69MB          (4) 16M x 9     (1) 256KB x 36     (1) 1M x 36

       69MB          (4) 16M x 9       (1) 1M x 36     (1) 256KB x 36

       72MB          (4) 16M x 9       (1) 1M x 36      (1) 1M x 36

       80MB          (4) 16M x 9       (1) 4M x 36          NONE

       80MB          (4) 16M x 9          NONE          (1) 4M x 36

       81MB          (4) 16M x 9     (1) 256KB x 36    (1) 256KB x 36

       81MB          (4) 16M x 9     (1) 256KB x 36     (1) 4M x 36

       81MB          (4) 16M x 9       (1) 4M x 36     (1) 256KB x 36

       84MB          (4) 16M x 9       (1) 1M x 36      (1) 4M x 36

       84MB          (4) 16M x 9       (1) 4M x 36      (1) 1M x 36

       96MB          (4) 16M x 9       (1) 4M x 36      (1) 4M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

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

                        CACHE JUMPER CONFIGURATION

      Size               JS1               JS2                 JS3

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

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

      256KB           pins 2 & 3        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

                          CPU TYPE CONFIGURATION

       CPU Type              RN9              RN10             RN11

    CX486S/CX486DX        Installed      Not installed     Not installed
        (PGA)

     CX486S(PQFP)       Not installed    Not installed       Installed

        CX487S            Installed      Not installed     Not installed

     486SX/DX/DX2       Not installed    Not installed     Not installed

    486 SL-Enhanced     Not installed      Installed       Not installed
        (PGA)

    486 SL-Enhanced     Not installed    Not installed       Installed
        (PQFP)

                          CPU TYPE CONFIGURATION

      CPU Type         JC1      JC2       JC3         JC4         JC5

     486SX/486 SL     2 & 3    2 & 3      Open        Open       Closed
      Enhanced

       CX486S         2 & 3    2 & 3     Closed       Open        Open

       CX487S         1 & 2    1 & 2     Closed       Open        Open

       CX486DX        1 & 2    1 & 2     Closed       Open        Open

     80486DX/DX2      1 & 2    1 & 2     Closed       Open       Closed

   486 SL-Enhanced    1 & 2    1 & 2     Closed       Open       Closed

  Pentium Overdrive   1 & 2    1 & 2      Open       Closed       Open

  Note: pins designated should be in the closed position.

                       CPU SPEED SELECT - JK1

    Speed      Pins 1 & 2     Pins3 & 4    Pins 5 & 6    Pins 7 & 8

    25MHz         Open          Open         Closed         Open

    33MHz        Closed         Open          Open          Open

    40MHz        Closed        Closed         Open          Open

    40iMHz       Closed         Open         Closed        Closed

    50MHz         Open          Open         Closed        Closed

    50iMHz        Open         Closed         Open          Open

    66MHz         Open         Closed         Open         Closed

    66iMHz       Closed         Open          Open         Closed

    80MHz        Closed        Closed         Open         Closed

                  VESA WAIT STATE/BUS SPEED CONFIGURATION

    CPU speed        Wait states            JV1                JV2

     < 33MHz        0 wait states        pins 2 & 3         pins 2 & 3
                                          closed             closed

     > 33MHz         1 wait state        pins 1 & 2         pins 1 & 2
                                          closed             closed

