Seagate ST318438LW, ST318418N, ST336938LW, ST336918N manual Barracuda 36ES2 Product Manual, Rev. B

Barracuda 36ES2 Product Manual, Rev. B 67

Table 15: LW 68-conductor LVD P cable signal/pin assignments [11]

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

	Connector			Connector
Signal	contact	Cable conductor		contact	Signal
name [1]	number [3]	number [2]		number [3]	name [1]
+DB12	1	1	2	35	–DB12
+DB13	2	3	4	36	–DB13
+DB14	3	5	6	37	–DB14
+DB15	4	7	8	38	–DB15
+DBP1	5	9	10	39	–DBP1
+DB0	6	11	12	40	–DB0
+DB1	7	13	14	41	–DB1
+DB2	8	15	16	42	–DB2
+DB3	9	17	18	43	–DB3
+DB4	10	19	20	44	–DB4
+DB5	11	21	22	45	–DB5
+DB6	12	23	24	46	–DB6
+DB7	13	25	26	47	–DB7
+DBP	14	27	28	48	–DBP
Ground	15	29	30	49	Ground
DIFFSNS [8]	16	31	32	50	Ground
TermPwr	17	33	34	51	TermPwr
TermPwr	18	35	36	52	TermPwr
Reserved	19	37	38	53	Reserved
Ground	20	39	40	54	Ground
+ATN	21	41	42	55	–ATN
Ground	22	43	44	56	Ground
+BSY	23	45	46	57	–BSY
+ACK	24	47	48	58	–ACK
+RST	25	49	50	59	–RST
+MSG	26	51	52	60	–MSG
+SEL	27	53	54	61	–SEL
+C/D	28	55	56	62	–C/D
+REQ	29	57	58	63	–REQ
+I/O	30	59	60	64	–I/O
+DB8	31	61	62	65	–DB8
+DB9	32	63	64	66	–DB9
+DB10	33	65	66	67	–DB10
+DB11	34	67	68	68	–DB11

Notes [ ]: See page following this table.