Seagate ST336918N, ST318418N, ST318438LW, ST336938LW manual Gnd

Barracuda 36ES2 Product Manual, Rev. B						65
Table 13:	“N” model, single-ended I/O, 50 conductor, signal/contact assignments
		Connector	Cable		Connector
Signal		contact	conductor		contact	Signal
name [1]		number [13]	number [12]		number [13]	name [1]
GND		1	1	2	2	–DB0
GND		3	3	4	4	–DB1
GND		5	5	6	6	–DB2
GND		7	7	8	8	–DB3
GND		9	9	10	10	–DB4
GND		11	11	12	12	–DB5
GND		13	13	14	14	–DB6
GND		15	15	16	16	–DB7
GND		17	17	18	18	–DBP
GND		19	19	20	20	GND
GND		21	21	22	22	GND
GND		23	23	24	24	GND
NC [10]		25*	25	26	26	TERMPWR
GND		27	27	28	28	GND
GND		29	29	30	30	GND
GND		31	31	32	32	–ATN
GND		33	33	34	34	GND
GND		35	35	36	36	–BSY
GND		37	37	38	38	–ACK
GND		39	39	40	40	–RST
GND		41	41	42	42	–MSG
GND		43	43	44	44	–SEL
GND		45	45	46	46	–C/D
GND		47	47	48	48	–REQ
GND		49	49	50	50	–I/O

*CAUTION: Connector contact 25 must not be connected to ground at the host end or the drive end of the cable. If the I/O cable should accidently be plugged in upside down, terminator power on pin 26 will be shorted to ground.

Notes [ ]: See page following Table 15.