Seagate ST15150N - Barracuda 4.3 GB Hard Drive Product Manual page 92

82 ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D
Table 18. SCA contact assignments for ST15150WC drives
Signal Connector
name contact number
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
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.
Connector Signal
contact number name
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)