Seagate ST39173N Product Manual page 73

Barracuda 9LP Product Manual, Rev. C
Table 13c: "WD" models differential cable 68 conductor signal/pin assignments (Nonshielded connector)[13]
Note. The minus sign next to the signal indicates asserted state is the low voltage of the two levels used for
logic signals.
Connector
Signal contact
name [1] number [3]
+DB12 1
+DB13 2
+DB14 3
+DB15 4
+DBP1 5
GND 6
+DB0 7
+DB1 8
+DB2 9
+DB3 10
+DB4 11
+DB5 12
+DB6 13
+DB7 14
+DBP 15
DIFFSNS [8] 16
TermPwr 17
TermPwr 18
Reserved 19
+ATN 20
GND 21
+BSY 22
+ACK 23
+RST 24
+MSG 25
+SEL 26
+C/D 27
+REQ 28
+I/O 29
GND 30
+DB8 31
+DB9 32
+DB10 33
+DB11 34
Notes [ ]: See page following Table 13f.
Cable Connector
conductor contact
number [2] number [3]
1 2 35
3 4 36
5 6 37
7 8 38
9 10 39
11 12 40
13 14 41
15 16 42
17 18 43
19 20 44
21 22 45
23 24 46
25 26 47
27 28 48
29 30 49
31 32 50
33 34 51
35 36 52
37 38 53
39 40 54
41 42 55
43 44 56
45 46 57
47 48 58
49 50 59
51 52 60
53 54 61
55 56 62
57 58 63
59 60 64
61 62 65
63 64 66
65 66 67
67 68 68
63
Signal
name [1]
–DB12
–DB13
–DB14
–DB15
–DBP1
GND
–DB0
–DB1
–DB2
–DB3
–DB4
–DB5
–DB6
–DB7
–DBP
GND
TermPwr
TermPwr
Reserved
–ATN
GND
–BSY
–ACK
–RST
–MSG
–SEL
–C/D
–REQ
–I/O
GND
–DB8
–DB9
–DB10
–DB11