206
Ultra320 SCA-2 HDD Connector
The SCSI backplane board provides two SCA-2 (80-pin) connectors for hot-swapping Ultra320
hard drives. See Table 38. These SCSI ports are controlled by SCSI port 1 of the LSI53C1030
LVDS controller component located on the main board.
Table 38. Ultra320 SCA-2 Connector Pinout
80-pin Connector Contact
and Signal Name
SCA-2 Connector
80-pin Connector Contact
and Signal Name
1
12-V Charge
12-V Ground
41
2
12-V Charge
12-V Ground
42
3
12-V Charge
12-V Ground
43
4
12-V Charge
Mated 1
44
5 Reserved/ESI-1
-EFW
45
6 Reserved/ESI-2
DIFFSNS
46
7 -DB(11)
+DB(11)
47
8 -DB(10)
+DB(10)
48
9 -DB(9)
+DB(9)
49
10 -DB(8)
+DB(8)
50
11 -I/O
+I/O
51
12 -REQ
+REQ
52
13 -C/D
+C/D
53
14 -SEL
+SEL
54
15 -MSG
+MSG
55
16 -RST
+RST
56
17 -ACK
+ACK
57
18 -BSY
+BSY
58
19 -ATN
+ATN
59
20 -P_CRCA
+P_CRCA
60
21 -DB(7)
+DB(7)
61
22 -DB(6)
+DB(6)
62
23 -DB(5)
+DB(5)
63
24 -DB(4)
+DB(4)
64
25 -DB(3)
+DB(3)
65
26 -DB(2)
+DB(2)
66
27 -DB(1)
+DB(1)
67
28 -DB(0)
+DB(0)
68
29 -DB(P1)
+DB(P1)
69
30 -DB(15)
+DB(15)
70
31 -DB(14)
+DB(14)
71
32 -DB(13)
+DB(13)
72
33 -DB(12)
+DB(12) 73
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