IBM 8651RM0 Hardware Maintenance Manual - Page 107

Table 7. 68-Pin SCSI Port Pin-Number Assignments

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Table 7. 68-Pin SCSI Port Pin-Number Assignments Pin Signal Pin Signal 1 Ground 35 Data 12 2 Ground 36 Data 13 3 Ground 37 Data 14 4 Ground 38 Data 15 5 Ground 39 Data P1 6 Ground 40 Data 0 7 Ground 41 Data 1 8 Ground 42 Data 2 9 Ground 43 Data 3 10 Ground 44 Data 4 11 Ground 45 Data 5 12 Ground 46 Data 6 13 Ground 47 Data 7 14 Ground 48 Data P0 15 Ground 49 Ground 16 Ground 50 Ground 17 +Term power 51 +Term power 18 +Term power 52 +Term power 19 Reserved 53 Reserved 20 Ground 54 Ground 21 Ground 55 -Attention 22 Ground 56 Ground 23 Ground 57 -Busy 24 Ground 58 -Acknowledge 25 Ground 59 -Reset 26 Ground 60 -Message 27 Ground 61 -Select 28 Ground 62 -Control/Data 29 Ground 63 -Request 30 Ground 64 -Input/Output 31 Ground 65 Data 8 32 Ground 66 Data 9 33 Ground 67 Data 10 34 Ground 68 Data 11 IBM Netfinity 7000 - Type 8651 99

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Table 7. 68-Pin SCSI Port Pin-Number Assignments
Pin
Signal
Pin
Signal
1
Ground
35
Data 12
2
Ground
36
Data 13
3
Ground
37
Data 14
4
Ground
38
Data 15
5
Ground
39
Data P1
6
Ground
40
Data 0
7
Ground
41
Data 1
8
Ground
42
Data 2
9
Ground
43
Data 3
10
Ground
44
Data 4
11
Ground
45
Data 5
12
Ground
46
Data 6
13
Ground
47
Data 7
14
Ground
48
Data P0
15
Ground
49
Ground
16
Ground
50
Ground
17
+Term power
51
+Term power
18
+Term power
52
+Term power
19
Reserved
53
Reserved
20
Ground
54
Ground
21
Ground
55
-Attention
22
Ground
56
Ground
23
Ground
57
-Busy
24
Ground
58
-Acknowledge
25
Ground
59
-Reset
26
Ground
60
-Message
27
Ground
61
-Select
28
Ground
62
-Control/Data
29
Ground
63
-Request
30
Ground
64
-Input/Output
31
Ground
65
Data 8
32
Ground
66
Data 9
33
Ground
67
Data 10
34
Ground
68
Data 11
IBM Netfinity 7000 - Type 8651
99