Seagate HAWK 4 Series Product Manual page 66

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Table 11.6.3-1d. ST15230DC differential I/O, 80 pin cable pin assignments (Nonshielded connector)
Signal
Name [1]
+12 V
+12 V
+12 V
+12 V
NC [10]
NC [10]
-DB11
-DB10
-DB9
-DB8
-I/O
-REQ
-C/D
-SEL
-MSG
-RST
-ACK
-BSY
-ATN
-DBP
-DB7
-DB6
-DB5
-DB4
-DB3
-DB2
-DB1
-DB0
-DP1
-DB15
-DB14
-DB13
-DB12
+5 V
+5 V
+5 V
NC [10]
MTRON [5]
SCSIAO [7]
SCSIA2 [7]
Notes [ ]: See page following Table 11.6.3-1d
Product Manual - Hawk 4 Family (Wide) SCSI-2 (Volume 1), Rev. E
Connector Cable
Contact Conductor
Number [3] Number [2]
1 1
2 3
3 5
4 7
5 9
6 11
7 13
8 15
9 17
10 19
11 21
12 23
13 25
14 27
15 29
16 31
17 33
18 35
19 37
20 39
21 41
22 43
23 45
24 47
25 49
26 51
27 53
28 55
29 57
30 59
31 61
32 63
33 65
34 67
35 69
36 71
37 73
38 75
39 77
40 79
Connector
Contact
Name [3]
2 41
4 42
6 43
8 44
10 45
12 46
14 47
16 48
18 49
20 50
22 51
24 52
26 53
28 54
30 55
32 56
34 57
36 58
38 59
40 60
42 61
44 62
46 63
48 64
50 65
52 66
54 67
56 68
58 69
60 70
62 71
64 72
66 73
68 74
70 75
72 76
74 77
76 78
78 79
80 80
Signal
Name [1]
12 V GND
12 V GND
12 V GND
12 V GND
NC [10]
DIFFSENS [8]
+DB11
+DB10
+DB9
+DB8
+I/O
+REQ
+C/D
+SEL
+MSG
+RST
+ACK
+BSY
+ATN
+DBP
+DB7
+DB6
+DB5
+DB4
+DB3
+DB2
+DB1
+DB0
+DP1
+DB15
+DB14
+DB13
+DB12
5 V GND
5 V GND
5 V GND
[4] LEDC
[6] DLYDST
[7] SCSIA1
[7] SCSIA3