
FIRST INTERNATIONAL COMPUTER, INC.

4386-VIO

Processor     80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor     20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set      VIA
Max. Onboard  32/128MB (depends on CPU used)
DRAM
Cache         64/128/256KB
BIOS          Award
Dimensions    254mm x 220mm
I/O Options   Floppy drive interface, game port, IDE interface, parallel
              port, serial ports (2)
NPU Options   80387DX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Parallel port               CN3      Turbo LED                   J5

  Game port                   CN4      Turbo switch                J6

  Serial port 1               CN5      Reset switch                J7

  Serial port 2               CN6      Speaker                     J8

  Floppy drive interface      CN7      Power LED & keylock         J9

  IDE interface               CN8      IDE interface LED           J44

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Parallel port unidirectional               JG          pins 1 & 2
      (printer)                                                closed

      Parallel port bidirectional                JG          pins 2 & 3
                                                               closed

     IDE interface enabled                      JH          pins 2 & 3
                                                               closed

      IDE interface disabled                     JH          pins 1 & 2
                                                               closed

     Floppy drive interface enabled             JI          pins 2 & 3
                                                               closed

      Floppy drive interface disabled            JI          pins 1 & 2
                                                               closed

     Monitor type select CGA                    J2            Closed

      Monitor type select                        J2             Open
      monochrome/EGA/VGA

     Factory configured - do not alter          J3             N/A

     Factory configured - do not alter          J4             N/A

     NPU synchronous with CPU                  J40          pins 1 & 2
                                                               closed

      NPU asynchronous with CPU                 J40          pins 2 & 3
                                                               closed

     Factory configured - do not alter         J41             N/A

     BALE to IDE select connected to CN8       J45            Closed
      pin28

      BALE to IDE select not connected          J45             Open

          DRAM CONFIGURATION (80386)

      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

          DRAM CONFIGURATION (80486)

      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

       DRAM CONFIGURATION (80486 CONT)

      Size          Bank 0          Bank 1

      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

     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             JS4

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

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

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

                          CPU TYPE CONFIGURATION

        Type              JC1          JC2           JC3          JC5

    80386DX-33/40      pins 1 & 2   pins 1 & 2    pins 1 & 2      Open
                        closed        closed       closed

   CX486DLC-33/40      pins 1 & 2   pins 1 & 2    pins 1 & 2     Closed
                        closed        closed       closed

    80486SX-20/25      pins 2 & 3   pins 2 & 3      Open          Open
                        closed        closed

     80486SX-33        pins 2 & 3   pins 2 & 3      Open          Open
                        closed        closed

    80487SX-20/25      pins 1 & 2   pins 1 & 2    pins 2 & 3      Open
                        closed        closed       closed

    80486DX-20/25      pins 1 & 2   pins 1 & 2    pins 1 & 2      Open
                        closed        closed       closed

    80486DX-33/50      pins 1 & 2   pins 1 & 2    pins 1 & 2      Open
                        closed        closed       closed

     80486DX2-50       pins 1 & 2   pins 1 & 2    pins 1 & 2      Open
                        closed        closed       closed

     80486DX2-66       pins 1 & 2   pins 1 & 2    pins 1 & 2      Open
                        closed        closed       closed

  Note: If JC5 is closed, pins 1 & 2, 3 & 4, 5 & 6 are closed

                      CPU TYPE CONFIGURATION (CONT)

        Type                JK1               JK2               JK4

    80386DX-33/40        pins 1 & 2        pins 1 & 2        pins 2 & 3
                          closed            closed            closed

   CX486DLC-33/40        pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

    80486SX-20/25        pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486SX-33          pins 2 & 3        pins 2 & 3        pins 1 & 2
                          closed            closed            closed

    80487SX-20/25        pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

    80486DX-20/25        pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

    80486DX-33/50        pins 2 & 3        pins 2 & 3        pins 1 & 2
                          closed            closed            closed

     80486DX2-50         pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX2-66         pins 2 & 3        pins 2 & 3        pins 1 & 2
                          closed            closed            closed

                     CPU CLOCK GENERATOR CONFIGURATION

    Speed       J46 pins 1 &  J46 pins 3 &   J46 pins 5 &    J46 pins 7 &
                     2             4              6               8

    33MHz         Closed          Open           Open           Open

    40MHz         Closed          Open          Closed         Closed

    40MHz         Closed         Closed          Open           Open

    50MHz          Open           Open          Closed         Closed

    50MHz          Open          Closed          Open           Open

    66MHz          Open          Closed          Open          Closed

    66MHz         Closed          Open           Open          Closed

    80MHz         Closed         Closed          Open          Closed

  Note: If an oscillator is installed, these jumper settings have no
  effect.

                 PARALLEL PORT CONFIGURATION

       Setting                JE                   JF

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

         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

                 SERIAL PORT 1 CONFIGURATION

       Setting                JA                   JB

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

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

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

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

                 SERIAL PORT 2 CONFIGURATION

       Setting                JC                   JD

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

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

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

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

