
FIRST INTERNATIONAL COMPUTER, INC.

486 GAW-V

Processor   CX486S/CS487S/CS486DX/80486SX/80486DX/80486DX2/80486DX4/
            Pentium Overdrive
Processor   25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set    VIA
Max. Onboard64MB
DRAM
Cache       64/128/256KB
BIOS        Award
Dimensions  330mm x 218mm
I/O Options 32-bit VESA local bus slot, floppy drive interface, IDE
            interface, parallel port, PS/2 mouse port, serial ports (2),
            VGA feature connector, VGA port
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Green power supply         J1        Serial port 2              CN5
  connector

  IDE interface LED          J5        Parallel port              CN6

  Turbo LED                  J9        VGA port                   CN7

  Turbo switch               J10       VGA feature                CN8
                                       connector

  Reset switch               J11       IDE drive interface        CN9

  Power LED & keylock        J12       Floppy drive              CN10
                                       interface

  Speaker                    J13       Daughter board            CN11
                                       connector

  PS/2 mouse port            CN3       32-bit VESA Local          SL1
                                       bus slot

  Serial port 1              CN4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     HDD IOCHRDY disabled                     J2              Open

      HDD IOCHRDY enabled                      J2             Closed

     HDD BALE disabled                        J3              Open

      HDD BALE enabled                         J3             Closed

     Non Intel SL-enhanced CPU            J4, J16, JX5      pins 1 & 2
                                                              closed

      Intel SL-enhanced CPU                J4, J16, JX5      pins 2 & 3
                                                              closed

     CMOS memory normal operation             J7              Open

      CMOS memory clear                        J7             Closed

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

     Adaptec ISA master 1542B/C SCSI          J14             Open
      (transfer rate <5.7 MB/s)

      Adaptec ISA master 1542B/C SCSI          J14            Closed
      (transfer rate >5.7 MB/s)

     Intel DX4 clock select (3X)              JC6             Open

      Intel DX4 clock select (2.5X)            JC6           pins 1 & 2
                                                              closed

      Intel DX4 clock select (2X)              JC6           pins 2 & 3
                                                              closed

     Pentium Overdrive write back             JC7            Closed
      enabled

      Pentium Overdrive write through          JC7             Open
      enabled

     Intel CPU installed                      JC8            Closed

      Cyrix CPU installed                      JC8             Open

     IDE interface enabled                    JD3           pins 1 & 2
                                                              closed

      IDE interface disabled                   JD3           pins 2 & 3
                                                              closed

     Onboard VGA enabled                   JV1, JV2         pins 2 & 3
                                                              closed

      Onboard VGA disabled                  JV1, JV2         pins 1 & 2
                                                              closed

     VGA IRQ9 disabled                        JV3             Open

      VGA IRQ9 enabled                         JV3            Closed

     DX33 CPU installed                   JV4/11 & 12         Open

      DX50/DX4 CPU installed               JV4/11 & 12        Closed

     Intel SL enhanced CPU installed          JX4           pins 1 & 2
                                                              closed

      Cyrix 486S/DX CPU installed              JX4           pins 2 & 3
                                                              closed

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

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

                            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

     8MB       (1) 2M x 36        NONE           NONE           NONE

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

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

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

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

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

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

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

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

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

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

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

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

.

                          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

                          CPU TYPE CONFIGURATION

        CPU Type            JC1          JC2          JC3         JC4

   486SX/P23S/CX486S     pins 2 & 3   pins 2 & 3     Open      pins 1 & 2
                           closed       closed                   closed

   CX486DX/486S-487S     pins 1 & 2   pins 1 & 2     Open      pins 1 & 2
                           closed       closed                   closed

        P24S/P4S         pins 1 & 2   pins 1 & 2     Open      pins 1 & 2
                           closed       closed                   closed

    80486DX/DX2/DX4      pins 1 & 2   pins 1 & 2     Open      pins 1 & 2
                           closed       closed                   closed

   Pentium Overdrive     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

                        CPU TYPE CONFIGURATION

     CPU Type            JC5               RC1              RC2

    CX486S/DX           Open          Not installed      Installed

   486SX/DX/DX2         Open          Not installed    Not Installed

  P23S/P24S/P4S        Closed         Not installed    Not installed

  P24D/P24CT/DX4       Closed           Installed      Not installed

                          HARD DRIVE SPEED SELECT

         Speed                     JD1                      JD2

        Speed 0             pins 2 & 3 closed        pins 2 & 3 closed

        Speed 1             pins 1 & 2 closed        pins 2 & 3 closed

        Speed 2             pins 1 & 2 closed        pins 1 & 2 closed

  Note:Used only with the Promise PDC20230 local bus IDE controller card.

                  VESA WAIT STATE/BUS SPEED CONFIGURATION

    CPU speed        Wait states            JL1                JL2

     < 33MHz        0 wait states        pins 1 & 2         pins 1 & 2
                                          closed             closed

     > 33MHz         1 wait state        pins 2 & 3         pins 2 & 3
                                          closed             closed

                800 X 600 REFRESH RATES

       Speed           JV4/1 & 2          JV4/3 & 4

  56MHz (default)         Open               Open

       56MHz             Closed             Closed

       60MHz              Open              Closed

       72MHz             Closed              Open

                      1024 X 768 REFRESH RATES

         Speed               JV4/5 & 6              JV4/7 & 8

      Interlaced                Open                   Open

  60Hz non-interlaced           Open                  Closed

  70Hz non-interlaced          Closed                  Open

  72Hz non-interlaced          Closed                 Closed

                            VIDEO FONT SETTINGS

                 Font                              JV4/9 & 10

            Standard fonts                            Open

              TUV fonts                              Closed

            Note: TUV is the German standard for character spacing, and
            may not be compatible with some DOS applications.

