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Ultra160 SCSI
Connector (370SC3)
There are no jumpers to configure the
onboard Ultra160 SCSI interface. Refer to
Table 2-27 for pin definitions for the
Ultra160 SCSI connectors located at JA2.
68-pin Ultra160 SCSI Connectors (JA2)
Connector
Contact
N u m b e r
Signal Names
1
+DB(12)
2
+DB(13)
3
+DB(14)
4
+DB(15)
5
+DB(P1)
6
+DB(0)
7
+DB(1)
8
+DB(2)
9
+DB(3)
1 0
+DB(4)
1 1
+DB(5)
1 2
+DB(6)
1 3
+DB(7)
1 4
+DB(P)
1 5
G R O U N D
1 6
D I F F S E N S
1 7
T E R M P W R
1 8
T E R M P W R
1 9
R E S E R V E D
2 0
G R O U N D
2 1
+ A T N
2 2
G R O U N D
2 3
+ B S Y
2 4
+ A C K
2 5
+ R S T
2 6
+ M S G
2 7
+ S E L
2 8
+ C / D
2 9
+ R E Q
3 0
+I/O
3 1
+DB(8)
3 2
+DB(9)
3 3
+DB(10)
3 4
+DB(11)
Table 2-27
Connector
Contact
N u m b e r
Signal Names
3 5
-DB(12)
3 6
-DB(13)
3 7
-DB(14)
3 8
-DB(15)
3 9
-DB(P1)
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
G R O U N D
5 0
G R O U N D
5 1
T E R M P W R
5 2
T E R M P W R
5 3
R E S E R V E D
5 4
G R O U N D
5 5
5 6
G R O U N D
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
-DB(10)
6 8
-DB(11)
2-17
Chapter 2: Installation
-DB(0)
-DB(1)
-DB(2)
-DB(3)
-DB(4)
-DB(5)
-DB(6)
-DB(7)
-DB(P)
- A T N
- B S Y
- A C K
- R S T
- M S G
-SEL
-C/D
- R E Q
-I/O
-DB(8)
-DB(9)
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