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Ultra320 SCSI
Connector
Refer to the table below for the pin
definitions of the Ultra320 SCSI con-
nectors located at JA1 and JA2.
Connector
Contact
Number
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
Chapter 5: Advanced Motherboard Setup
68-pin Ultra320 SCSI C onnectors (JA1 and JA2)
Signal Names
+D B(12)
+D B(13)
+D B(14)
+D B(15)
+D B(P1)
+DB(0)
+DB(1)
+DB(2)
+DB(3)
+DB(4)
+DB(5)
+DB(6)
+DB(7)
+DB(P)
GR OUND
DIF FSENS
TER MPW R
TER MPW R
RESERVED
GR OUND
+ATN
GR OUND
+BSY
+ACK
+RST
+MSG
+SEL
+C/D
+REQ
+I/O
+DB(8)
+DB(9)
+D B(10)
+D B(11)
5-27
Connector
Contact
Number
Signal Names
35
-DB(12)
36
-DB(13)
37
-DB(14)
38
-DB(15)
39
-DB(P1)
40
-DB(0)
41
-DB(1)
42
-DB(2)
43
-DB(3)
44
-DB(4)
45
-DB(5)
46
-DB(6)
47
-DB(7)
48
-DB(P)
49
GROUND
50
GROUND
51
TERMPW R
52
TERMPW R
53
RESERVED
54
GROUND
55
-ATN
56
GROUND
57
-BSY
58
-ACK
59
-RST
60
-MSG
61
-SEL
62
-C/D
63
-REQ
64
-I/O
65
-DB(8)
66
-DB(9)
67
-DB(10)
68
-DB(11)
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