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S
S
UPER
ERVER 6025B-T/6025B-8 User's Manual
Ultra320 SCSI Ports
(6025B-8 only)
There are two SCSI ports on the
serverboard. SCSI Channel A is
located at JA1 and SCSI Channel B
is located at JA2. Refer to the table
at right for the pin defi nitions.
Ultra320 SCSI Drive Ports
Pin Defi nitions (JA1/JA2)
Pin#
Defi nition
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)
10
+DB (4)
11
+DB (5)
12
+DB (6)
13
+DB (7)
14
+DB (P)
15
Ground
16
DIFFSENS
17
TERMPWR
18
TERMPWR
19
Reserved
20
Ground
21
+ATN
22
Ground
23
+BSY
24
+ACK
25
+RST
26
+MSG
27
+SEL
28
+C/D
29
+REQ
30
+I/O
31
+DB (8)
32
+DB (9)
33
+DB (10)
34
+DB (11)
5-26
Pin #
Defi nition
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
TERMPWR
52
TERMPWR
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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