
FIRST INTERNATIONAL COMPUTER, INC.

486-PIO-2 (REV. A2)

Processor  80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/
           CX486DX2/AM486DX2/(SL)AM486DX2/SL80486DX2/AM486DX4/
           (SL)AM486DX4/80486FX4/P24D/P24S/P24T/CXM1
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed      100(internal)MHz
Chip Set   VIA
Video Chip None
Set
Maximum    128MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256/512KB
BIOS       Award
Dimensions 330mm x 218mm
I/O        32-bit PCI slots (4), floppy drive interface, green PC
Options    connector, IDE interfaces (2), parallel port, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Floppy drive interface     CN1       External battery            J6

  Parallel port              CN2       Green PC connector          J7

  Serial port 2              CN3       Chassis fan power           J8

  Serial port 1              CN4       Power LED & keylock         J9

  IDE interface 2            CN5       Speaker                    J10

  IDE interface 1            CN6       Reset switch               J11

  IDE interface LED           J3       Turbo switch               J12

  Green PC LED                J4       Turbo LED                  J13

  Outlet connector            J5       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     Monitor type select                        J1            Open
      monochrome/EGA/VGA

      Monitor type select CGA                    J1           Closed

     Password normal operation                  J2            Open

      Password clear                             J2           Closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

     7MB        (1) 256K x    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                    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) 1M x 36        None       (1) 1M x 36        None

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

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

     9MB        (1) 256K x    (1) 1M x 36    (1) 1M x 36        None
                    36

     9MB       (1) 1M x 36     (1) 256K x    (1) 1M x 36        None
                                   36

     9MB       (1) 1M x 36    (1) 1M x 36     (1) 256K x        None
                                                  36

     9MB           None        (1) 256K x    (1) 1M x 36     (1) 1M x 36
                                   36

     9MB        (1) 256K x        None       (1) 1M x 36     (1) 1M x 36
                    36

     10MB       (1) 256K x     (1) 256K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     10MB      (1) 1M x 36    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

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

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

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

     13MB       (1) 256K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

     13MB      (1) 1M x 36     (1) 256K x    (1) 1M x 36     (1) 1M x 36
                                   36

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

     25MB        (1) 256K x    (1) 4M x 36    (1) 1M x 36    (1) 1M x 36
                     36

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

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

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

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

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

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

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

     37MB        (1) 256K x    (1) 1M x 36    (1) 4M x 36    (1) 4M x 36
                     36

     37MB       (1) 1M x 36     (1) 256K x    (1) 4M x 36    (1) 4M x 36
                                   36

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

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

     49MB        (1) 256K x    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36
                     36

     52MB       (1) 1M x 36    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

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

     65MB        (1) 256K x    (1) 16M x 36      None           None
                     36

     65MB        (1) 256K x    (1) 8M x 36    (1) 8M x 36       None
                     36

     66MB        (1) 256K x     (1) 256K x    (1) 8M x 36    (1) 8M x 36
                     36            36

     66MB        (1) 256K x    (1) 8M x 36     (1) 256K x    (1) 8M x 36
                     36                           36

     66MB       (1) 8M x 36    (1) 8M x 36     (1) 256K x   (1) 256K x 36
                                                  36

     68MB       (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       None

     68MB           None       (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     68MB       (1) 8M x 36    (1) 8M x 36    (1) 1M x 36       None

     69MB        (1) 256K x    (1) 1M x 36    (1) 8M x 36    (1) 8M x 36
                     36

     69MB        (1) 256K x    (1) 8M x 36    (1) 1M x 36    (1) 8M x 36
                     36

     69MB       (1) 1M x 36     (1) 256K x    (1) 8M x 36    (1) 8M x 36
                                   36

     69MB       (1) 1M x 36    (1) 8M x 36     (1) 256K x    (1) 8M x 36
                                                  36

     72MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     72MB       (1) 1M x 36    (1) 8M x 36    (1) 1M x 36    (1) 8M x 36

     72MB       (1) 8M x 36    (1) 8M x 36    (1) 1M x 36    (1) 1M x 36

     80MB       (1) 8M x 36    (1) 4M x 36    (1) 8M x 36       None

     80MB       (1) 8M x 36    (1) 8M x 36    (1) 4M x 36       None

     81MB        (1) 256K x    (1) 4M x 36    (1) 8M x 36    (1) 8M x 36
                     36

     81MB        (1) 256K x    (1) 8M x 36    (1) 4M x 36    (1) 8M x 36
                     36

     84MB       (1) 1M x 36    (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     84MB       (1) 1M x 36    (1) 8M x 36    (1) 4M x 36    (1) 8M x 36

     96MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       None

     97MB        (1) 256K x    (1) 8M x 36    (1) 8M x 36    (1) 8M x 36
                     36

    128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     128KB        (4) 32K x 8     (1) 8K x 8

     256KB        (4) 64K x 8    (1) 32K x 8

     512KB        (4) 128K x 8   (1) 32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JS1                  JS2

        128KB          Pins 1 & 2 closed   Pins 1 & 2 closed

        256KB          Pins 2 & 3 closed   Pins 1 & 2 closed

        512KB          Pins 2 & 3 closed   Pins 2 & 3 closed

                            CPU SPEED SELECTION

     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

    80iMHz       Pins 1 & 2     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 TYPE SELECTION

       Type             JC2           JC3           JC4           JC5

      80486SX           Open       Pins 2 & 3    Pins 2 & 3       Open
                                     closed        closed

      CX486DX           Open       Pins 1 & 2    Pins 1 & 2       Open
                                     closed        closed

     SL80486DX       Pins 2 & 3    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

      UMCU5SD           Open       Pins 1 & 2    Pins 1 & 2       Open
                                     closed        closed

      UMCU5S            Open       Pins 2 & 3    Pins 2 & 3       Open
                                     closed        closed

     UMCU5SLV           Open       Pins 2 & 3    Pins 2 & 3       Open
                                     closed        closed

     CX486DX2           Open       Pins 1 & 2    Pins 1 & 2       Open
                                     closed        closed

     AM486DX2           Open       Pins 1 & 2    Pins 1 & 2       Open
                                     closed        closed

   (SL)AM486DX2      Pins 2 & 3    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

    SL80486DX2       Pins 2 & 3    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

     AM486DX4           Open       Pins 1 & 2    Pins 1 & 2       Open
                                     closed        closed

   (SL)AM486DX4      Pins 1 & 2    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

  80486DX4 (ODP)     Pins 1 & 2    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

   80486DX4 (2x)     Pins 2 & 3    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

   80486DX4 (3x)     Pins 1 & 2    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

       P24D          Pins 1 & 2    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

       P24S          Pins 2 & 3    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

       P24T          Pins 1 & 2    Pins 1 & 2    Pins 1 & 2      Closed
                       closed        closed        closed

       CXM1          Pins 1 & 2    Pins 1 & 2    Pins 1 & 2       Open
                       closed        closed        closed

                        CPU TYPE SELECTION (CONT)

        Type               RNA               RNC                RNI

      80486SX         Not installed     Not installed        Pins 1 - 5
                                                              closed

      CX486DX         Not installed       Installed        Not installed

     SL80486DX        Not installed     Not installed        Pins 1 - 5
                                                              closed

      UMCU5SD           Installed       Not installed      Not installed

       UMCU5S           Installed       Not installed      Not installed

      UMCU5SLV          Installed       Not installed      Not installed

      CX486DX2        Not installed       Installed        Not installed

      AM486DX2          Installed       Not installed      Not installed

    (SL)AM486DX2      Not installed     Not installed       Pins 6 - 10
                                                              closed

     SL80486DX2       Not installed     Not installed        Pins 1 - 5
                                                              closed

      AM486DX4          Installed       Not installed      Not installed

    (SL)AM486DX4      Not installed     Not installed       Pins 6 - 10
                                                              closed

   80486DX4 (ODP)     Not installed     Not installed        Pins 1 - 5
                                                              closed

   80486DX4 (2x)      Not installed     Not installed        Pins 1 - 5
                                                              closed

   80486DX4 (3x)      Not installed     Not installed        Pins 1 - 5
                                                              closed

        P24D          Not installed     Not installed        Pins 1 - 5
                                                              closed

        P24S          Not installed     Not installed        Pins 1 - 5
                                                              closed

        P24T          Not installed     Not installed        Pins 1 - 5
                                                              closed

        CXM1          Not installed     Not installed       Pins 6 - 10
                                                              closed

                           CPU VOLTAGE SELECTION

      Voltage              CN3V               JPW1             JPW2

       3.3v                Open               1 & 2            Open

       3.45v               Open               2 & 3            Open

       3.6v                Open               Open             1 & 2

        4v                 Open               Open             2 & 3

        5v           1, & 2, 3 & 4, 13         N/A              N/A
                       & 14, 15 & 16

  Note: Pins designated should be in the closed position.

                   PCI-BUS CLOCK SELECTION

      CPU clock              JCK                  JT1

      <= 33MHz         Pins 1 & 2 closed   Pins 1 & 2 closed

       >33 MHz         Pins 2 & 3 closed   Pins 2 & 3 closed

                           DMA CHANNEL SELECTION

         Channel                  JEPP1                    JEPP2

             1             Pins 2 & 3 closed        Pins 2 & 3 closed

              3             Pins 1 & 2 closed        Pins 1 & 2 closed

                            KEYBOARD SELECTION

      Setting          JX3          RN1           RN16           RN19

       Internal     Pins 1 &        Not        Installed         Not
       controller    2 closed    installed                    installed

        External     Pins 2 &    Installed         Not        Installed
       controller    3 closed                   installed

                          PRINTER PORT SELECTION

            Setting                      JH                    JG

              Output             Pins 2 & 3 closed    Pins 2 & 3 closed

                Input             Pins 1 & 2 closed    Pins 1 & 2 closed

            Bidirectional         Pins 2 & 3 closed           N/A

