Appendix A. Ultra SCSI 68-Pin Connector Pinouts
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Appendix A. Ultra SCSI 68-Pin Connector Pinouts

Table A-1 lists pinouts for the 68-pin standard differential (wide bus) SCSI connectors on the Ultra SCSI cables.

Table A-1. Ultra SCSI P Connector Pinouts

Signal Name

Pin Number

Pin Number

Signal Name

+DB(12)
+DB(13)
+DB(14)
+DB(15)
+DPARH
+Ground
+D0
+D1
+D2
+D3
+D4
+D5
+D6
+D7
+DPAR
DIFFSENS
TERMPWR
TERMPWR
Reserved
+ATN
Ground
+BSY
+ACK
+RST
+MSG
+SEL
+C/D
+REQ
+I/O
Ground
+DB(8)
+DB(9)
+DB(10)
+DB(11)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

-DB(12)
-DB(13)
-DB(14)
-DB(15)
-DPARH
-Ground
-D0
-D1
-D2
-D3
-D4
-D5
-D6
-D7
-DPAR
Ground
TERMPWR
TERMPWR
Reserved
-ATN
Ground
-BSY
-ACK
-RST
-MSG
-SEL
-C/D
-REQ
-I/O
Ground
-DB(8)
-DB(9)
-DB(10)
-DB(11)


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Chapter 2. Ultra SCSI Option Topologies