Gigabyte GA-VM800PMC user manual Comb Comb Connector, CI Chassis Intrusion, Case Open

15)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-
9	1	2	NSINB
		3	NSOUTB
10	2	4	NDTRB-
		5	GND
		6	NDSRB-
		7	NRTSB-
		8	NCTSB-
		9	NRIB-
		10	No Pin

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16)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.

1

Pin No.	Definition
1	GND
2	Signal

- 25 - Hardware Installation