
FIRST INTERNATIONAL COMPUTER, INC.

486-GIO-VT2

Processor  CX486S/80486SX/CX486DX/AM486DX/AM486DXL/80486DX/80486DX2/

           80486DX4/P4S/P23S/P24C/P24CT/P24D/P24S/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   VIA
Max.       64MB
Onboard
DRAM
Cache      64/128/256KB
BIOS       Award
Dimensions 254mm x 218mm
I/O        32-bit VESA local bus slots (2), floppy drive interface, game port,
Options    green PC connector, IDE interfaces (2), parallel port, PS/2 mouse
           port, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  PS/2 mouse interface       CN1       Turbo switch               J12

  Game interface             CN2       Turbo LED                  J13

  PS/2 mouse port            CN4       Reset switch               J14

  Serial port 2              CN7       Speaker                    J15

  Serial port 1              CN8       Power LED & keylock        J16

  Floppy drive               CN9       Green PC connector         J17
  interface

  Parallel port             CN10       Green PC connector         J23

  IDE interface             CN11       Green PC connector         J24
  (primary)

  IDE interface             CN12       IDE interface LED          J25
  (secondary)                          (secondary)

  External battery           J1        32-bit VESA local       SL1 & SL2
                                       bus slots

  IDE interface LED          J8
  (primary)

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Monitor type select                        J2             Open
      monochrome/EGA/VGA

      Monitor type select color                  J2            Closed

     Battery type select internal               J3          pins 2 & 3
                                                               closed

      Battery type select external               J3          pins 1 & 2
                                                               closed

     VESA IDE interface enabled                 J4          pins 1 & 2
                                                               closed

      VESA IDE interface disabled                J4          pins 2 & 3
                                                               closed

     CMOS memory normal operation               J7             Open

      CMOS memory clear                          J7            Closed

     Local HDD_BALE disabled                    J9             Open

      Local HDD_BALE enabled                     J9            Closed

     Local HDD_IOCHRDY disabled                J10             Open

      Local HDD_ IOCHRDY enabled                J10            Closed

     ISA HDD_BALE disabled                     J26             Open

      ISA HDD_BALE enabled                      J26            Closed

     ISA HDD_IOCHRDY disabled                  J27             Open

      ISA HDD_ IOCHRDY enabled                  J27            Closed

     AM486DXL2 speed select 2x                 J30            Closed

      AM486DXL2 speed select 3x                 J30             Open

     Game port enabled                         J31            Closed

      Game port disabled                        J31             Open

     CPU type select Intel SL and all          JCX2         pins 1 & 2
      others                                                   closed

      CX486S/DX P24D                            JCX2         pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP1          pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP2          pins 2 & 3
                                                               closed

     Cache type select write through           JT1             Open

      Cache type select write back              JT1            Closed

     Factory configured - do not alter         JW1             N/A

     Factory configured - do not alter         JW2             N/A

     Factory configured - do not alter         JX1          pins 2 & 3
                                                               closed

     IDE interface enabled                      JG          pins 2 & 3
                                                               closed

                    USER CONFIGURABLE SETTINGS (CONT)

                 Function                     Jumper         Position

      IDE interface disabled                    JG           pins 1 & 2
                                                              closed

     Floppy drive interface enabled            JH           pins 2 & 3
                                                              closed

      Floppy drive interface disabled           JH           pins 1 & 2
                                                              closed

     Parallel port unidirectional              JI            Closed
      (printer)

      Parallel port bidirectional               JI             Open

  Note: The location of jumpers JP1, JP2 & JX1 are unidentified

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        NONE           NONE           NONE
                    36

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

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

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

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

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

     6MB       (1) 1M x 36     (1) 256K x     (1) 256K x        NONE
                                   36             36

     7MB       (1) 1M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

     12MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36        NONE

     12MB          NONE       (1) 1M x 36    (1) 2M x 36        NONE

     12MB          NONE           NONE       (1) 1M x 36     (1) 2M x 36

     16MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

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

     16MB          NONE       (1) 1M x 36    (1) 2M x 36     (1) 1M x 36

     16MB          NONE           NONE       (1) 2M x 36     (1) 2M x 36

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

     18MB      (1) 4M x 36     (1) 256K x     (1) 256K x        NONE
                                   36             36

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

     21MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x        NONE
                                                  36

     22MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     24MB      (1) 4M x 36    (1) 1M x 36    (1) 1M x 36        NONE

     28MB      (1) 4M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

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

     32MB          NONE           NONE       (1) 8M x 36        NONE

     33MB      (1) 4M x 36    (1) 4M x 36     (1) 256K x        NONE
                                                  36

     34MB      (1) 4M x 36    (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                  36

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

     40MB      (1) 4M x 36    (1) 4M x 36    (1) 1M x 36     (1) 1M x 36

     48MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36        NONE

     48MB          NONE       (1) 4M x 36    (1) 8M x 36        NONE

     48MB          NONE           NONE       (1) 4M x 36     (1) 8M x 36

     64MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     64MB          NONE       (1) 4M x 36    (1) 8M x 36     (1) 4M x 36

     64MB          NONE           NONE       (1) 8M x 36     (1) 8M 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

      Type             JC1            JC2          JC3           JC4

     CX486S         pins 2 & 3     pins 2 & 3      Open       pins 1 & 2
                     closed         closed                     closed

     80486SX        pins 2 & 3     pins 2 & 3      Open       pins 1 & 2
                     closed         closed                     closed

     CX486DX        pins 1 & 2     pins 1 & 2      Open       pins 1 & 2
                     closed         closed                     closed

     AM486DX        pins 1 & 2     pins 1 & 2      Open       pins 1 & 2
                     closed         closed                     closed

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

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

       P4S          pins 1 & 2     pins 1 & 2      Open       pins 1 & 2
                     closed         closed                     closed

      P23S          pins 2 & 3     pins 2 & 3      Open       pins 1 & 2
                     closed         closed                     closed

      P24C          pins 1 & 2     pins 1 & 2      Open       pins 1 & 2
                     closed         closed                     closed

      P24CT         pins 1 & 2     pins 1 & 2     Closed      pins 2 & 3
                     closed         closed                     closed

      P24D          pins 1 & 2     pins 1 & 2      Open       pins 2 & 3
                     closed         closed                     closed

      P24S          pins 1 & 2     pins 1 & 2      Open       pins 1 & 2
                     closed         closed                     closed

     Pentium        pins 1 & 2     pins 1 & 2     Closed      pins 2 & 3
    Overdrive        closed         closed                     closed

                          CPU TYPE CONFIGURATION

    Type         RN20          RN21          RN22        JC5        JC6

   CX486S         Not       Installed     Installed      Open      Open
              installed

  80486SX         Not           Not           Not        Open      Open
              installed     installed     installed

  CX486DX         Not       Installed     Installed      Open      Open
              installed

  80486DX         Not           Not           Not        Open      Open
              installed     installed     installed

  AM486DXL    Installed         Not           Not        Open      Open
                            installed     installed

  80486DX2        Not           Not           Not        Open      Open
              installed     installed     installed

    P4S           Not           Not           Not       Closed    Closed
              installed     installed     installed

    P23S          Not           Not           Not       Closed    Closed
              installed     installed     installed

    P24C          Not       Installed         Not       Closed    Closed
              installed                   installed

   P24CT          Not       Installed         Not       Closed    Closed
              installed                   installed

    P24D          Not       Installed         Not       Closed    Closed
              installed                   installed

    P24S          Not           Not           Not       Closed    Closed
              installed     installed     installed

    P24T          Not           Not           Not       Closed    Closed
              installed     installed     installed

                          CPU SPEED CONFIGURATION

     Speed          JK1            JK2            JK3            JK4

     25MHz       pins 2 & 3     pins 1 & 2     pins 2 & 3     pins 1 & 2
                   closed         closed        closed          closed

     33MHz       pins 2 & 3     pins 2 & 3     pins 1 & 2     pins 1 & 2
                   closed         closed        closed          closed

     40MHz       pins 1 & 2     pins 1 & 2     pins 2 & 3     pins 1 & 2
                   closed         closed        closed          closed

    50iMHz       pins 2 & 3     pins 1 & 2     pins 2 & 3     pins 1 & 2
                   closed         closed        closed          closed

     50MHz       pins 2 & 3     pins 1 & 2     pins 2 & 3     pins 2 & 3
                   closed         closed        closed          closed

    66iMHz       pins 2 & 3     pins 2 & 3     pins 1 & 2     pins 1 & 2
                   closed         closed        closed          closed

    75iMHz       pins 2 & 3     pins 1 & 2     pins 2 & 3     pins 1 & 2
                   closed         closed        closed          closed

    100iMHz      pins 2 & 3     pins 2 & 3     pins 1 & 2     pins 1 & 2
                   closed         closed        closed          closed

  CPU SPEED CONFIGURATION (80486DX4 ONLY)

        Speed                  J20

          3x                   Open

          2x            pins 1 & 2 closed

         2.5x           pins 2 & 3 closed

                         CPU VOLTAGE CONFIGURATION

              Setting                                PS1

                3.3v                              Installed

                 5v                   pins 1 & 2, 3 & 4, 13 & 14, 15 & 16
                                                    closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JV3

    0 wait states     pins 2 & 3 closed

    1 wait state      pins 1 & 2 closed

         BUS SPEED CONFIGURATION

      CPU speed              JV2

      <= 33MHz        pins 2 & 3 closed

       > 33MHz        pins 1 & 2 closed

                 PARALLEL PORT CONFIGURATION

       Setting                JE                   JF

         378           pins 1 & 2 closed   pins 2 & 3 closed

         278           pins 2 & 3 closed   pins 1 & 2 closed

         3BC           pins 2 & 3 closed   pins 2 & 3 closed

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

                    PRINTER CONFIGURATION

        Type                 JW3                  JW4

       Printer         pins 2 & 3 closed   pins 2 & 3 closed

       EPP/SPP         pins 2 & 3 closed   pins 1 & 2 closed

       EPP/ECP         pins 1 & 2 closed   pins 2 & 3 closed

       EXT2FDD         pins 1 & 2 closed   pins 1 & 2 closed

                 SERIAL PORT 1 CONFIGURATION

       Setting                JA                   JB

         3F8           pins 2 & 3 closed   pins 1 & 2 closed

         2E8           pins 2 & 3 closed   pins 2 & 3 closed

         3E8           pins 1 & 2 closed   pins 2 & 3 closed

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

                 SERIAL PORT 2 CONFIGURATION

       Setting                JC                   JD

         2F8           pins 2 & 3 closed   pins 1 & 2 closed

         2E8           pins 1 & 2 closed   pins 2 & 3 closed

         3E8           pins 2 & 3 closed   pins 2 & 3 closed

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

                      DMA CONFIGURATION

         DMA                 JW5                  JW6

          1            pins 1 & 2 closed   pins 1 & 2 closed

          3            pins 2 & 3 closed   pins 2 & 3 closed

                   IDE SPEED CONFIGURATION

        Speed                 J5                   J6

          1            pins 1 & 2 closed   pins 2 & 3 closed

          0            pins 2 & 3 closed   pins 2 & 3 closed

          2            pins 1 & 2 closed   pins 1 & 2 closed

