Intel SR6850HW4 User Manual
Page 51

Intel® Server Platform SR6850HW4 TPS
Cables and Connectors
Revision 1.0
Intel order number D23151-001
39
4.2.4
External 68-pin Ultra320 SCSI VHDCI Connector
As an option, the Server Platform SR6850HW4 can support a shielded external SCSI
connection. This SCSI port is controlled by the SCSI controller component located on the Server
Board Set SE8500HW4 Mainboard. This interconnect is a VHDCI connector at the rear panel.
Table 13. Ultra320 SCSI VHDCI Connector Pinout
Pin
Signal Name
Ultra320 SCSI VHDCI Connector
Pin
Signal Name
1 +DB(12)
35 -DB(12)
2 +DB(13)
36 -DB(13)
3 +DB(14)
37 -DB(14)
4 +DB(15)
38 -DB(15)
5 +DB(P1)
39 -DB(P1)
6 +DB(0)
40 -DB(0)
7 +DB(1)
41 -DB(1)
8 +DB(2)
42 -DB(2)
9 +DB(3)
43 -DB(3)
10 +DB(4)
44 -DB(4)
11 +DB(5)
45 -DB(5)
12 +DB(6)
46 -DB(6)
13 +DB(7)
47 -DB(7)
14 +P_CRCA
48 +P_CRCA
15 GND
49 GND
16 DIFFSENS
50 GND
17 TERMPWR
51 TERMPWR
18 TERMPWR
52 TERMPWR
19 NC
53 NC
20 GND
54 GND
21 +ATN
55 -ATN
22 GND
56 GND
23 +BSY
57 -BSY
24 +ACK
58 -ACK
25 +RST
59 -RST
26 +MSG
60 -MSG
27 +SEL
61 -SEL
28 +C/D
62 -C/D
29 +REQ
63 -REQ
30 +I/O
64 -I/O
31 +DB(8)
65 -DB(8)
32 +DB(9)
66 -DB(9)
33 +DB(10)
67 -DB(10)
34 +DB(11)
68 -DB(11)