
FIRST INTERNATIONAL COMPUTER, INC.

486 PSD

Processor        80486SX/80487SX/80486DX/80486DX2
Processor Speed  25/33/50(internal)/50/66(internal)/66MHz
Chip Set         SIO
Max. Onboard DRAM64MB
Cache            64/256KB
BIOS             Award/AMI
Dimensions       330mm x 218mm
I/O Options      32-bit PCI slots, SCSI interface, PS/2 mouse port
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Turbo LED                 J11       IDE interface LED           CN1

  Turbo switch              J12       SCSI interface              CN3

  Reset switch              J13       PS/2 mouse                  CN5

  Speaker                   J14       32-bit PCI slots        S1, S2, S3

  Power LED & keylock       J15

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     SCSI power from system                   J1             Closed

      SCSI power from peripheral               J1              Open
      device

     BIOS type select - Award                 J7           pins 1 & 2
                                                              closed

      BIOS type select -AMI                    J7           pins 2 & 3
                                                              closed

     Factory configured - do not              J9           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             J10           pins 1 & 2
      alter                                                   closed

     CPU type select - PGA                   JC5             Closed

      CPU type select - PQFP                  JC5              Open

     Parity error disabled                   JF1           pins 1 & 2
                                                              closed

      Parity error enabled                    JF1           pins 2 & 3
                                                              closed

     CPU generation parity                   JF2           pins 1 & 2
                                                              closed

      DPU generation parity                   JF2           pins 2 & 3
                                                              closed

     Cache wait state disabled               JF5           pins 2 & 3
                                                              closed

      Cache wait state enabled                JF5           pins 1 & 2
                                                              closed

     Factory configured - do not             JF6           pins 1 & 2
      alter                                                   closed

     7-bit tag address                       JF7           pins 2 & 3
                                                              closed

      8-bit tag address                       JF7           pins 1 & 2
                                                              closed

     L2 cache enabled                        JF8           pins 2 & 3
                                                              closed

      L2 cache disabled                       JF8           pins 1 & 2
                                                              closed

     Cache select - 256KB                    JS1           pins 2 & 3
                                                              closed

      Cache select - 64KB                     JS1           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

    Size         Bank 0         Bank 1         Bank 2          Bank 3

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

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

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

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

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

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

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

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

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

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

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

    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

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

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

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

                  CACHE CONFIGURATION

       Size             Bank 0             Bank 1

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

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

  Note: The location of the tag chip is unidentified.

                  CACHE JUMPER CONFIGURATION

        Size                 JF9                  JF10

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

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

           CACHE SELECT CONFIGURATION

   Size      JS2       JS3       JS4       JS5

   64KB      Open     Open      Open      Open

  256KB     Closed   Closed    Closed    Closed

                 CPU PROCESSOR CONFIGURATION

         CPU               JC1/JC2              JC3/JC4

         SX            pins 2 & 3 closed          Open

       DX/DX2          pins 1 & 2 closed         Closed

                    CPU TYPE CONFIGURATION

        Speed                JF3                  JF4

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

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

                      SCSI CONFIGURATION

    Request/IRQ9             JR1                  JR2

      Installed        pins 1 & 2 closed   pins 1 & 2 closed

    Not installed      pins 2 & 3 closed   pins 2 & 3 closed

          PCI IRQ CONFIGURATION

     IRQ setting             JI1

        IRQ 5         pins 1 & 2 closed

        IRQ 9         pins 3 & 4 closed

       IRQ 11         pins 5 & 6 closed

       IRQ 12         pins 7 & 8 closed

