Seagate ST3300007LW/LC, ST3146707LW/LC, ST373207LW/LC manual Req +Req

Table 17: LC 80-pin single-ended (LVD) 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	+DB11
	–DB10	8	48	+DB10
	–DB9	9	49	+DB9
	–DB8	10	50	+DB8
	–I/O	11	51	+I/O
	–REQ	12	52	+REQ
	–C/D	13	53	+C/D
	–SEL	14	54	+SEL
	–MSG	15	55	+MSG
	–RST	16	56	+RST
	–ACK	17	57	+ACK
	–BSY	18	58	+BSY
	–ATN	19	59	+ATN
	–DBP	20	60	+DBP0
	–DB7	21	61	+DB7
	–DB6	22	62	+DB6
	–DB5	23	63	+DB5
	–DB4	24	64	+DB4
	–DB3	25	65	+DB3
	–DB2	26	66	+DB2
	–DB1	27	67	+DB1
	–DB0	28	68	+DB0
	–DBP1	29	69	+DP1
	–DB15	30	70	+DB15
	–DB14	31	71	+DB14
	–DB13	32	72	+DB13
	–DB12	33	73	+DB12
	+5 V	34	74	MATED 2
	+5 V	35	75	5 V GND
	+5 V CHARGE	36	76	5 V GND
78			Cheetah 10K.7 SCSI Product Manual, Rev. D