
ACTION INSTRUMENTS

FF486SX/FF486DX

Processor       80486SX/80487SX/80486DX/80486DX2
Processor Speed 16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set        ACC Micro
Max. onboard    32MB
DRAM
SRAM Cache      None
BIOS            Phoenix
Dimensions      337mm x 132mm
I/O Options     Floppy drive interface, IDE interface, parallel port,
                serial port (2), VGA port
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                   J5       Serial Port (COM2)          P4

  IDE interface               P1       LCD panel connector         P6

  Floppy drive interface      P2       VGA port                    P7

  Serial Port (COM1)          P3       Parallel port               P8

                 PIN OUT CONFIGURATION P5

               Function                       Pin

  Power good signal detect from board          1

  Keyboard ground                              2

  + Keyboard clock                             3

  + 5Vdc                                       4

  + Keyboard data                              5

  Ground                                       6

  Reset switch                                 7

  Keyboard inhibit switch                      8

  Speaker                                    9 & 10

  Not used                                  11 & 12

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     IDE LED select LED with series            J1          pins 1 & 2
      resistor (all action instruments.
      chassis)

      IDE LED select LED only                   J1          pins 2 & 3

     IDE interface enabled                     J2          pins 2 & 3

      IDE interface disabled                    J2          pins 1 & 2

     Floppy drive interface select             J3A         pins 2 & 3
      normal

      Floppy drive interface select             J3A         pins 1 & 2
      encoded

     Floppy drive interface enabled            J3B         pins 2 & 3

      Floppy drive interface disabled           J3B         pins 1 & 2

     J3A - J3G jumpers enabled                 J3H         pins 1 & 2

      J3A - J3G jumpers disabled (All J3        J3H         pins 2 & 3
      settings go to default)

     Watch Dog timer delay 1.2 second          J4          pins 1 & 2

      Watch Dog timer delay 150ms delay         J4          pins 2 & 3

      Watch Dog timer delay 600ms delay         J4             Open

     Watch Dog timer enabled                   J4A         pins 1 & 2

      Watch Dog timer disabled                  J4A         pins 2 & 3

     Factory configured - do not alter         J6             Open

     Monitor type select color                 J7            Closed

      Monitor type select monochrome            J7             Open

     Parallel port select                      J9          pins 2 & 3
      uni-directional (printer)

      Parallel port select                      J9          pins 1 & 2
      bi-directional

     Bus cycle lock enabled                    J14           Closed

      Bus cycle lock disabled                   J14            Open

     Last cycle burst enabled                  J17           Closed

      Last cycle burst disabled                 J17            Open

     Factory configured - do not alter         J18           Closed

     IRQ select Internal CRT interrupt         J20         pins 1 & 2

      IRQ select AT bus                         J20         pins 2 & 3

  Note:Pins designated should be in the closed position.

              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

      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

             FLASH MEMORY CONFIGURATION

     Address        J19/pins 1 & 2   J19/pins 3 & 4

   C0000-C7FFF          Open              Open

   C8000-CFFFF          Open             Closed

   D0000-D7FFF         Closed             Open

   D8000-DFFFF         Closed            Closed

                      SERIAL PORT CONFIGURATION

  UART 1/P3    UART 2/P4       J3C            J3D           J3E

    COM1         COM2      pins 2 & 3     pins 2 & 3     pins 2 & 3

   Disable       COM2      pins 2 & 3     pins 2 & 3     pins 1 & 2

    COM1       Disable     pins 2 & 3     pins 1 & 2     pins 2 & 3

   Disable     Disable     pins 2 & 3     pins 1 & 2     pins 1 & 2

    COM2         COM1      pins 1 & 2     pins 2 & 3     pins 2 & 3

   Disable       COM1      pins 1 & 2     pins 2 & 3     pins 1 & 2

    COM2       Disable     pins 1 & 2     pins 1 & 2     pins 2 & 3

   Disable     Disable     pins 1 & 2     pins 1 & 2     pins 1 & 2

  Note:Pins designated should be in the closed position.

                        PARALLEL PORT CONFIGURATION

          LPT               ADDRESS            J3F              J3G

           LPT1             378h           pins 2 & 3       pins 2 & 3
                                             closed           closed

            LPT2             278h           pins 1 & 2       pins 2 & 3
                                             closed           closed

            LPT3             3BCh           pins 2 & 3       pins 1 & 2
                                             closed           closed

          Disabled            N/A           pins 1 & 2       pins 1 & 2
                                             closed           closed

           LCD PANEL TYPE/PLASMA PANEL

    LCD TYPE      J8/pins 1 & 2    J8/pins 3 & 4

        0              Open             Open

        1              Open            Closed

        2             Closed            Open

        3             Closed           Closed

                          CPU TYPE CONFIGURATION

        CPU Type                   J12                      J13

         80486SX            pins 2 & 3 closed        pins 2 & 3 closed

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

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

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

