Seagate ST15150N Product Manual - Page 92

Table 18., SCA contact assignments for ST15150WC drives, Signal, Connector, contact number, Notes

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82 ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D Table 18. SCA contact assignments for ST15150WC drives Signal name Connector Connector Signal contact number contact number name 12 VOLT 1 12 VOLT 2 12 VOLT 3 12 VOLT 4 RESERVED/NC 5 RESERVED/NC 6 DB (11) 7 DB (10) 8 DB (9) 9 DB (8) 10 I/O 11 REQ 12 C/D 13 SEL 14 MSG 15 RST 16 ACK 17 BSY 18 ATN 19 DB (P0) 20 DB (7) 21 DB (6) 22 DB (5) 23 DB (4) 24 DB (3) 25 DB (2) 26 DB (1) 27 DB (0) 28 DB (P1) 29 DB (15) 30 DB (14) 31 DB (13) 32 DB (12) 33 5 VOLT 34 5 VOLT 35 5 VOLT 36 SYNC 37 RMT_START 38 SCSI ID(0) 39 SCSI ID(2) 40 41 12V GROUND 42 12V GROUND 43 12V GROUND 44 12V GROUND 45 RESERVED/NC 46 GROUND 47 GROUND 48 GROUND 49 GROUND 50 GROUND 51 GROUND 52 GROUND 53 GROUND 54 GROUND 55 GROUND 56 GROUND 57 GROUND 58 GROUND 59 GROUND 60 GROUND 61 GROUND 62 GROUND 63 GROUND 64 GROUND 65 GROUND 66 GROUND 67 GROUND 68 GROUND 69 GROUND 70 GROUND 71 GROUND 72 GROUND 73 GROUND 74 5V GROUND 75 5V GROUND 76 5V GROUND 77 ACTIVE LED OUT 78 DLYD_START 79 SCSI ID(1) 80 SCSI ID(3) Notes: 1. The hyphen preceding a signal name indicates that signal is active low. 2. Eight-bit devices that connect to the P cable should leave the following signals open: −DB(12), −DB(13), −DB(14), −DB(15), −DB(P1), −DB(8), −DB(9), −DB(10), −DB(11), DB(12), DB(13), DB(14), DB(15), DB(P1), DB(8), DB(9), DB(10), and DB(11). All other signals should be connected as defined.

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82
ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D
Table 18.
SCA contact assignments for ST15150WC drives
Signal
Connector
Connector
Signal
name
contact number
contact number
name
12 VOLT
1
41
12V GROUND
12 VOLT
2
42
12V GROUND
12 VOLT
3
43
12V GROUND
12 VOLT
4
44
12V GROUND
RESERVED/NC
5
45
RESERVED/NC
RESERVED/NC
6
46
GROUND
DB (11)
7
47
GROUND
DB (10)
8
48
GROUND
DB (9)
9
49
GROUND
DB (8)
10
50
GROUND
I/O
11
51
GROUND
REQ
12
52
GROUND
C/D
13
53
GROUND
SEL
14
54
GROUND
MSG
15
55
GROUND
RST
16
56
GROUND
ACK
17
57
GROUND
BSY
18
58
GROUND
ATN
19
59
GROUND
DB (P0)
20
60
GROUND
DB (7)
21
61
GROUND
DB (6)
22
62
GROUND
DB (5)
23
63
GROUND
DB (4)
24
64
GROUND
DB (3)
25
65
GROUND
DB (2)
26
66
GROUND
DB (1)
27
67
GROUND
DB (0)
28
68
GROUND
DB (P1)
29
69
GROUND
DB (15)
30
70
GROUND
DB (14)
31
71
GROUND
DB (13)
32
72
GROUND
DB (12)
33
73
GROUND
5 VOLT
34
74
5V GROUND
5 VOLT
35
75
5V GROUND
5 VOLT
36
76
5V GROUND
SYNC
37
77
ACTIVE LED OUT
RMT_START
38
78
DLYD_START
SCSI ID(0)
39
79
SCSI ID(1)
SCSI ID(2)
40
80
SCSI ID(3)
Notes:
1.
The hyphen preceding a signal name indicates that signal is active low.
2.
Eight-bit devices that connect to the P cable should leave the following
signals open:
-
DB(12),
-
DB(13),
-
DB(14),
-
DB(15),
-
DB(P1),
-
DB(8),
-
DB(9),
-
DB(10),
-
DB(11), DB(12), DB(13), DB(14), DB(15), DB(P1),
DB(8), DB(9), DB(10), and DB(11). All other signals should be connected
as defined.