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FF486SX/FF486DX
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 DRAM	32MB
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

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 resistor (all action instruments. chassis)	J1	pins 1 & 2
	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 normal	J3A	pins 2 & 3
	Floppy drive interface select encoded	J3A	pins 1 & 2
�	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 settings go to default)	J3H	pins 2 & 3
�	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 uni-directional (printer)	J9	pins 2 & 3
	Parallel port select bi-directional	J9	pins 1 & 2
�	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.

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 closed	pins 2 & 3 closed
	LPT2	278h	pins 1 & 2 closed	pins 2 & 3 closed
	LPT3	3BCh	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	N/A	pins 1 & 2 closed	pins 1 & 2 closed