Intel user manual 8.0Jumpers, Jumper Options, Intel IQ31244 Customer Reference Board, Configure

Intel® IQ31244 Customer Reference Board

8.0Jumpers

Table 22.	Jumper Options
	Designator	Type	Configure	Description
	J4	2-pin post	Add shunt to enable	Enables spread-spectrum clocking
				on the primary PCI clocks.
			Shunt on
	J11, J12, J13, J14	3-pin post	Pin 1 and pin 2 = DPA Mode	SATA mode selection
			Pin 2 and pin 3 = Master/Slave
			Shunt on
	J19	3-pin post	Pin 1 and pin 2 = power by switch	System power by switch
			Pin 2 and pin 3 = auto power-on
	J37	3-pin post	Pin 1 = Cathode	Power-on LED
			Pin 3 = Anode
	J38	10-pin post	JTAG for U30 SATA controller	SATA controller JTAG
	Z1	2-pin post	Chassis “RESET SW” cable	Power reset switch
	Z2	2-pin post	Chassis “PWR SW” cable	Power switch
	Z3	2-pin post	Open = 100 MHz	Primary clock
			Closed = 66 MHz
	Z4	2-pin post	Open = PCI-X mode	PCI-X mode
			Closed = PCI mode
	Z5	2-pin post	Add a shunt to the post	CompactFlash* to interrupt XINT1#
	Z6	2-pin post	Add shunt to enable	PBI reset mode
	Z7	2-pin post	Add shunt to enable	PBI retry mode
	Z12	2-pin post	Add shunt to enable	Congregated LEDs
	Z14	2-pin post	Add shunt to enable	Buzzer

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30 User’s Manual