Seagate ST373207LW/LC, ST3146707LW/LC, ST3300007LW/LC manual Charge

Table 16: LC 80-pin single-ended (SE) I/O connector pin assignments [11]

Note. A minus sign preceding a signal name indicates that signal is active low.

		Connector contact
	Signal name [1]	number [3]	Signal number [3]	Contact name[1]
	12 V CHARGE	1	41	12 V GND
	12 V	2	42	12 V GND
	12 V	3	43	12 V GND
	12 V	4	44	MATED 1 [12]
	NC [10]	5	45	NC [10]
	NC [10]	6	46	DIFFSNS [8]
	–DB11	7	47	GND
	–DB10	8	48	GND
	–DB9	9	49	GND
	–DB8	10	50	GND
	–I/O	11	51	GND
	–REQ	12	52	GND
	–C/D	13	53	GND
	–SEL	14	54	GND
	–MSG	15	55	GND
	–RST	16	56	GND
	–ACK	17	57	GND
	–BSY	18	58	GND
	–ATN	19	59	GND
	–DBP	20	60	GND
	–DB7	21	61	GND
	–DB6	22	62	GND
	–DB5	23	63	GND
	–DB4	24	64	GND
	–DB3	25	65	GND
	–DB2	26	66	GND
	–DB1	27	67	GND
	–DB0	28	68	GND
	–DP1	29	69	GND
	–DB15	30	70	GND
	–DB14	31	71	GND
	–DB13	32	72	GND
	–DB12	33	73	GND
	+5 V	34	74	MATED 2
	+5 V	35	75	5 V GND
	+5 V	36	76	5 V GND
76			Cheetah 10K.7 SCSI Product Manual, Rev. D