
FAIR FRIEND ENTERPRISE COMPANY, LTD.

386/486 4033XXTM


Processor         80386DX/80486SX/80486DX
Processor Speed   20/25/33MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             None
BIOS              AMI
Dimensions        220mm x 220mm
I/O Options       32-bit local bus card slot
NPU Options       80387/3167


[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo switch              JP12

  Power LED & keylock         J10       Reset switch              JP15

  Speaker                     J19       32-bit local bus card      S1

  Turbo LED                   JP9

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             JP1           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP1           pins 2 & 3
                                                              closed

     Monitor type select color                JP3            Closed

      Monitor type select monochrome           JP3             Open

     CPU cache card absent                    JP6            Closed

      CPU cache card present                   JP6             Open

     Factory configured - do not alter       JP23           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP24           pins 2 & 3
                                                              closed

              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

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

                          CPU SPEED CONFIGURATION

      Speed              JP7               JP8                JP10

      16MHz           pins 2 & 3        pins 2 & 3      pins 2 & 3 closed
                       closed             closed

      20MHz           pins 2 & 3        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

      25MHz           pins 1 & 2        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

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

                   CPU TYPE CONFIGURATION

   Type       JP2       JP5       JP13      JP14      JP25

  80386      1 & 2     1 & 2      1 & 2     1 & 2     1 & 2

  80486      2 & 3     2 & 3      2 & 3     2 & 3     2 & 3

  Note: Pins deesignated should be in the closed position.

                    CPU TYPE CONFIGURATION (80486 ONLY)

       Type              JP16              JP17               JP18

      80486SX            Open            pins 2 & 3           Open
                                          closed

      80487SX           Closed           pins 1 & 2         pins 2 & 3
                                          closed             closed

      80486DX           Closed           pins 1 & 2         pins 1 & 2
                                          closed             closed

