Seagate ST34520N - Medalist 4.55 GB Hard Drive Product Manual page 77

Medalist Pro Product Manual, Rev. D
Table 18: "LW" 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
+DB0 6
+DB1 7
+DB2 8
+DB3 9
+DB4 10
+DB5 11
+DB6 12
+DB7 13
+DBP 14
GND 15
DIFFSNS [8] 16
TermPwr 17
TermPwr 18
Reserved 19
GND 20
+ATN 21
GND 22
+BSY 23
+ACK 24
+RST 25
+MSG 26
+SEL 27
+C/D 28
+REQ 29
+I/O 30
+DB8 31
+DB9 32
+DB10 33
+DB11 34
Notes [ ]: See page following Table 20.
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
67
Signal
name [1]
–DB12
–DB13
–DB14
–DB15
–DBP1
–DB0
–DB1
–DB2
–DB3
–DB4
–DB5
–DB6
–DB7
–DBP
GND
GND
TermPwr
TermPwr
Reserved
GND
–ATN
GND
–BSY
–ACK
–RST
–MSG
–SEL
–C/D
–REQ
–I/O
–DB8
–DB9
–DB10
–DB11