MSI Aux Line-In Connector JCD1, Front Panel Connectors JFP1/JFP2, 2-16, MS-7255 Mainboard

MS-7255 Mainboard

Aux Line-In Connector: JCD1

The connector is for DVD add-on card with Line-in connector.

GND

LR

JCD1

Front Panel Connectors: JFP1/JFP2

The mainboard provides two front panel connectors for electrical connection to the front panel switches and LEDs. The JFP1 is compliant with Intel® Front Panel I/O Connectivity Design Guide.

		JFP2			JFP1
					10	9
		+ 8	7
					Power -	+Reset
	Speaker	-	Power		Switch +	- Switch
		+			Power	- HDD
		- 2	LED		LED 2	1 + LED
			1
			JFP1 Pin Definition
PIN	SIGNAL			DESCRIPTION
1	HD_LED +			Hard disk LED pull-up
2	FPPWR/SLP			MSG LED pull-up
3	HD_LED -			Hard disk active LED
4	FPPWR/SLP			MSG LED pull-up
5	RST_SW -			Reset Switch low reference pull-down to GND
6	PWR_SW+			Power Switch high reference pull-up
7	RST_SW +			Reset Switch high reference pull-up
8	PWR_SW-			Power Switch low reference pull-down to GND
9	RSVD_DNU			Reserved. Do not use.
			JFP2 Pin Definition
	PIN		SIGNAL		DESCRIPTION
	1		GND		Ground
	2		SPK-		Speaker-
	3		SLED		SuspendLED
	4		BUZ+		Buzzer+
	5		PLED		PowerLED
	6		BUZ-		Buzzer-
	7		NC		Noconnection
	8		SPK+		Speaker+

2-16