
FAIR FRIEND ENTERPRISE COMPANY, LTD.

386/486 FM-4050XCIM


Processor              80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed        16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set               UNI
Max. Onboard DRAM      128MB
Cache                  64/128/256KB
BIOS                   AMI
Dimensions             220mm x 220mm
I/O Options            32-bit local bus card slot, PS/2 mouse port
NPU Options            80387


[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Speaker                    J5

  Turbo LED                    J2       Turbo switch              JP26

  Reset switch                 J3       Mouse port                 P1

  Power LED & keylock          J4       32-bit local bus slot      S1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             JP2           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP2           pins 2 & 3
                                                              closed

     Monitor type select color                JP8            Closed

      Monitor type select monochrome           JP8             Open

              DRAM CONFIGURATION

      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

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        NONE

      80MB        (4) 4M x 9     (4) 16M 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      JP9      JP10     JP11      JP16      JP18      JP19

   64KB     2 & 3    2 & 3     1 & 2     Open      Open      Open

  128KB     2 & 3    1 & 2     2 & 3     Closed    Open     1 & 2

  256KB     1 & 2    2 & 3     2 & 3     Closed   Closed    2 & 3

  Note: Pins designated should be in the closed position.

                        CPU TYPE CONFIGURATION

   Type     JP12    JP13     JP20     JP23     JP24    JP27     JP28

  80386    2 & 3    2 & 3    Open    2 & 3    2 & 3    2 & 3    2 & 3

  80486    1 & 2    1 & 2    3 & 4   1 & 2    1 & 2    1 & 2    1 & 2

  Note: Pins designated should be in the closed position.

                    CPU TYPE CONFIGURATION (80486 ONLY)

          Type                     JP17                     JP22

         80486SX            pins 2 & 3 closed               Open

         80487SX             pins 1 & 2, 3 & 4       pins 2 & 3 closed
                                  closed

         80486DX             pins 1 & 2, 3 & 4       pins 1 & 2 closed
                                  closed

        80486DX2             pins 1 & 2, 3 & 4       pins 1 & 2 closed
                                  closed

             CPU SPEED CONFIGURATION (80386 ONLY)

        Speed                JP32                 JP33

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

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

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

                            MOUSE CONFIGURATION

       Setting              JP1              JP4               JP5

    Not installed        pins 1 & 2       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

      Installed          pins 2 & 3       pins 2 & 3        pins 2 & 3
                          closed            closed            closed

