Gigabyte GA-8I915MD-GV user manual Comb Comb Connector, CI Chassis Intrusion, Case Open

16)COMB (COMB Connector)

Be careful with the polarity of the COMB connector. Check the pin assignments while you connect the COMB cable. Please contact your nearest dealer for optional COMB cable.

		Pin No.	Definition
		1	NDCDB-
		2	NSINB
		3	NSOUTB
2	10	4	NDTRB-
		5	GND
1	9	6	NDSRB-
		7	NRTSB-
		8	NCTSB-
		9	NRIB-
		10	No Pin

17)CI (Chassis Intrusion, Case Open)

This 2-pin connector allows your system to detect if the chassis cover is removed. You can check the "Case Opened" status in BIOS Setup.

	Pin No.	Definition
1	1	Signal
	2	GND

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