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Ultra320 SCSI Connectors
Refer to the table below for the pin
definitions of the Ultra320 SCSI
connectors located at JA1 and JA2.
PW SMB
J 3 2
J 3 3
DIMM 1A
DIMM 1B
J 3 4
DIMM 2A
J 1 6
DIMM 2B
DIMM 3A
DIMM 3B
DIMM 4A
J 1 4
DIMM 4B
S C S I
E n a b l e
JBT1
CLR CMOS
J D 2
FPUSB0/1
SCSI Ch B
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
8-Pin
4-Pin
P W
C P U
26
J 3 8
J1D1
2 0 - P i n P W
J1B1
J P 9
27
P W
F A N 1
F a i l
CPU1
28
29
30
F A N 2
31
CPU2
32
33
BIOS
IPMI 2.0
34
S I/O
J 6
J 5
J 1 2
Force PW-On
W O R
JPA3
7 9 0 2
S C S I
JPA1
C T R L
J A 1
CH
JP10
I n t
JP11
J W D
OH
J L 1
J D 1
W O L
Alarm
P W
S P K
W D
S W
L E D
S W
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)
S C S I
E n a b l e
JBT1
CLR CMOS
J D 2
FPUSB0/1
2-27
Chapter 2: Installation
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)
SCSI Ch A
S I/O
J 6
J 5
J 1 2
Force PW-On
W O R
JPA3
7 9 0 2
S C S I
JPA1
C T R L
J A 1
CH
JP10
I n t
JP11
J W D
OH
J L 1
W O L
J D 1
Alarm
P W
S P K
W D
S W
L E D
S W
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