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Chapter 5: Advanced Serverboard Setup
SCSI Connectors
Ultra320 SCSI Drive Connectors
Pin Definitions (JA1/JB1)
Refer to the table at right for pin defi nitions for the Ultra320 SCSI connectors located at JA1 and JB1.
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)
15Ground
16DIFFSENS
17TERMPWR
18TERMPWR
19Reserved
20Ground
21+ATN
22Ground
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)
Pin # Defi nition
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49Ground
50Ground
51TERMPWR
52TERMPWR
53Reserved
54Ground
55
56Ground
57
58
59
60
61
62
63
64
65
66
67
68