
2-15
Hardware Setup
Ultra320 SCSI Connector: SCSI1
SCSI (Small Computer System Interface) is a parallel interface standard for attaching
peripheral devices to computers. Ultra320 SCSI is the seventh generation of SCSI I/O
technology, and has a maximum data rate speed of 320 MB/sec. SCSI’s commitment
to backward compatibility and legacy support are the primary reasons for its durabil-
ity as an I/O interface, making SCSI the industry standard for disk drive connection in
virtually all high-performance servers.
Pin Description Pin Description
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 +DB(P) 48 -DB(P)
15 GROUND 49 GROUND
16 DIFFSENS 50 GROUND
17 TERMPWR 51 TERMPWR
18 TERMPWR 52 TERMPWR
19 RESERVED 53 RESERVED
20 GROUND 54 GROUND
21 +ATN 55 -ATN
22 GROUND 56 GROUND
23 +BSY 57 -BSY
24 +ACK 58 -ACK
25 +RST 59 -RST
26 +MSG 60 -MST
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)
68-Pin Ultra320 SCSI Connector
1
35
34
68
SCSI1
9638v1.0-2.p65 2006/11/9, 下午 03:3215
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