Gigabyte GA-M55S-S3 user manual F USB1 / FUSB2 / FUSB3 Front USB Connector, English

English

16)F_ USB1 / F_USB2 / F_USB3 (Front USB Connector)

Be careful with the polarity of the front USB connector. Check the pin assignment carefully while you connect the front USB cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional front USB cable, please contact your local dealer.

		Pin No.	Definition
		1	Power (5V)
1	2	2	Power (5V)
		3	USB DX-
9	10	4	USB Dy-
		5	USB DX+
		6	USB Dy+
		7	GND
		8	GND
		9	No Pin
		10	NC

17)F1_1394 / F2_1394 (Front IEEE 1394 Connector)

Serial interface standard set by Institute of Electrical and Electronics Engineers, which has features like high speed, highbandwidth and hot plug. Be careful with the polarity of the IEEE 1394 connector. Check the pin assignment carefully while you connect the IEEE 1394 cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional IEEE 1394 cable, please contact your local dealer.

		Pin No.	Definition
2	10	1	TPA+
1	9	2	TPA-
		3	GND
		4	GND
		5	TPB+
		6	TPB-
		7	No Pin
		7	Power (12V)
		8	Power (12V)
		10	GND

GA-M55S-S3 (rev. 2.0) Motherboard - 26 -