Seagate ST15150N - Barracuda 4.3 GB Hard Drive Product Manual page 93

ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D
Table 19. SCA contact assignments for ST15150DC 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
Note:
1. The hyphen preceding a signal name indicates that signal is active low.
Connector Signal
contact number name
41 12V GROUND
42 12V GROUND
43 12V GROUND
44 12V GROUND
45 RESERVED/NC
46 DIFF SENSE
47 + DB (11)
48 + DB (10)
49 + DB (9)
50 + DB (8)
51 + I/O
52 REQ
53 C/D
54 SEL
55 MSG
56 RST
57 ACK
58 BSY
59 ATN
60 DB (P0)
61 DB (7)
62 DB (6)
63 DB (5)
64 DB (4)
65 DB (3)
66 DB (2)
67 DB (1)
68 DB (0)
69 DB (P1)
70 DB (15)
71 DB (14)
72 DB (13)
73 DB (12)
74 5V GROUND
75 5V GROUND
76 5V GROUND
77 ACTIVE LED OUT
78 DLYD_START
79 SCSI ID(1)
80 SCSI ID(3)
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