CAF TECHNOLOGY, INC.

C747 (Ver. 002)

Processor     80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor     20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set      EFAR
Max. Onboard  32MB
DRAM
SRAM Cache    64/256KB
BIOS          AMI
Dimensions    331mm x 219mm
I/O Options   Floppy drive interface, game port, IDE interface, parallel
              port, serial port (2)
NPU Options   80387/CX83D87/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J3       Floppy drive interface      CN1

  IDE interface LED           J5       Serial port 1               CN2

  Reset switch                J6       Serial port 2               CN3

  Speaker                     J7       IDE interface               CN4

  Turbo switch                J8       Parallel port               CN5

  Turbo LED                   J9       Game port                   CN6

  Power LED & keylock         J10

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP1            closed

      Monitor type select monochrome           JP1             open

  »   CMOS memory normal operation             JP6           pins 2 & 3
      (internal battery)                                      closed

      CMOS memory normal operation             JP6             open
      (external battery)

      CMOS memory clear                        JP6           pins 1 & 2
                                                              closed

            SRAM JUMPER CONFIGURATION

   Size      JP2       JP7      JP8       JP9

   64KB     open      open      open      open

  256KB    closed    closed    closed     open

             SRAM CONFIGURATION

     Size          Bank 0          TAG

     64KB        (8) 8K x 8    (1) 8K x 8

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

                          CPU TYPE CONFIGURATION

        CPU                JP3               JP4               JP5

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

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

     80487SX 1          pins 1 & 2          closed          pins 1 & 2
                          closed                              closed

     CX486DLC 2            N/A               N/A               N/A

     80486SX 1          pins 2 & 3           open              open
                          closed

     80368DX 2             N/A               N/A               N/A

  Note 1 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18,
  JP19, JP20, pins 2 & 3 closed.

  Note 2 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18,
  JP19, JP20, pins 1 & 2 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) 1M x 9     (4) 256K x 9

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

      16MB        (4) 4M x 9         NONE

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

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

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

                          CPU CLOCK CONFIGURATION

        CPU            JP21          JP22         JP23           JP30

     80486-50          open          open         open        pins 2 & 3
                                                                closed

     80486-40          open          open        closed       pins 2 & 3
                                                                closed

     80486-33         closed         open         open        pins 2 & 3
                                                                closed
    80486DX2-66

     80486-25         closed         open        closed       pins 2 & 3
                                                                closed
    80486DX2-50

     80386-40          open          open        closed       pins 1 & 2
                                                                closed
    CX486DLC-40

     80386-33         closed         open         open        pins 1 & 2
                                                                closed
    CX486DLC-33

     80386-25         closed         open        closed       pins 1 & 2
                                                                closed

     80386-20          open         closed        open        pins 1 & 2
                                                                closed
     80486-20

                      I/O CONTROLLER CONFIGURATION

               Device                  Jumper      Enabled     Disabled

          Game port (CN6)               JP24        open        closed

        IDE interface (CN4)             JP25        open        closed

        Parallel port (CN5)             JP26        open        closed

    Floppy drive interface (CN1)        JP27        open        closed

             COM1 (CN2)                 JP28        open        closed

             COM2 (CN3)                 JP29        open        closed