Seagate ST34520N - Medalist 4.55 GB Hard Drive Product Manual page 78

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Table 19: "WC" models single ended I/O, 80 conductor cable signal/contact assignments
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]
12 V CHARGE 1
12 V 2
12 V 3
12 V 4
NC [10] 5
NC [10] 6
–DB11 7
–DB10 8
–DB9 9
–DB8 10
–I/O 11
–REQ 12
–C/D 13
–SEL 14
–MSG 15
–RST 16
–ACK 17
–BSY 18
–ATN 19
–DBP 20
–DB7 21
–DB6 22
–DB5 23
–DB4 24
–DB3 25
–DB2 26
–DB1 27
–DB0 28
–DP1 29
–DB15 30
–DB14 31
–DB13 32
–DB12 33
+5 V 34
+5 V 35
+5 V CHARGE 36
NC [10] 37
RMT-START [5] [9] 38
SCSI ID (0) [7] [9] 39
SCSI ID (2) [7] [9] 40
Notes [ ]: See page following Table 20.
Signal Contact
number [3] name[1]
41 12 V GND
42 12 V GND
43 12 V GND
44 MATED 1
45 NC [10]
46 GND [8]
47 GND
48 GND
49 GND
50 GND
51 GND
52 GND
53 GND
54 GND
55 GND
56 GND
57 GND
58 GND
59 GND
60 GND
61 GND
62 GND
63 GND
64 GND
65 GND
66 GND
67 GND
68 GND
69 GND
70 GND
71 GND
72 GND
73 GND
74 MATED 2
75 5 V GND
76 5 V GND
77 ACTIVE LED OUT [4] [9]
78 DLYD-START [6] [9]
79 SCSI ID (1) [7] [9]
80 SCSI ID (3) [7] [9]
Medalist Pro Product Manual, Rev. D