Seagate ST3300457FC Cheetah 15K.5 SCSI Product Manual - Page 71

Table 18, LW 68-conductor LVD P cable signal/pin assignments [11], Notes [ ]

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Table 18: LW 68-conductor LVD P cable signal/pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low. Signal name [1] +DB12 +DB13 +DB14 +DB15 +DBP1 +DB0 +DB1 +DB2 +DB3 +DB4 +DB5 +DB6 +DB7 +DBP Ground DIFFSNS [8] TermPwr TermPwr Reserved Ground +ATN Ground +BSY +ACK +RST +MSG +SEL +C/D +REQ +I/O +DB8 +DB9 +DB10 +DB11 Connector contact number [3] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Cable conductor number [2] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Connector contact number [3] 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Notes [ ]: See page following Table 20. Signal name [1] -DB12 -DB13 -DB14 -DB15 -DBP1 -DB0 -DB1 -DB2 -DB3 -DB4 -DB5 -DB6 -DB7 -DBP Ground Ground TermPwr TermPwr Reserved Ground -ATN Ground -BSY -ACK -RST -MSG -SEL -C/D -REQ -I/O -DB8 -DB9 -DB10 -DB11 Cheetah 15K.5 SCSI Product Manual, Rev. J 65

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Cheetah 15K.5 SCSI Product Manual, Rev. J
65
Table 18:
LW 68-conductor LVD P cable signal/pin assignments [11]
Note.
A minus sign preceding a signal name indicates that signal is active low.
Notes [ ]:
See page following Table 20.
Signal
name [1]
Connector
contact
number [3]
Cable conductor
number [2]
Connector
contact
number [3]
Signal
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