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External Ultra 320 SCSI VHDCI Connector
As an option, the Server Platform can support a shielded external SCSI connection. This SCSI port
is controlled by the SCSI controller component located on the main board. This interconnect is a
VHDCI connector at the rear panel.
Table 19.
Ultra 320 SCSI VHDCI Connector Pinout
Pin
Signal Name
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
+P_CRCA
15
GND
16
DIFFSENS
17
TERMPWR
18
TERMPWR
19
NC
20
GND
21
+ATN
22
GND
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)
Intel® Server Platforms SR4850HW4 & SR4850HW4/M Product Guide
Ultra 320 SCSI VHDCI Connector
Pin
Signal Name
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
+P_CRCA
49
GND
50
GND
51
TERMPWR
52
TERMPWR
53
NC
54
GND
55
-ATN
56
GND
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)
241
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Troubleshooting
