External scsi connector j3 – LSI U80ALVD User Manual
Page 65
Operational Environment
A-9
Table A.5
External SCSI Connector J3
Signal Name
Pin
Signal Name
Pin
SD12+
1
SMSG+
26
SD13+
2
SSEL+
27
SD14+
3
SCD+
28
SD15+
4
SREQ+
29
SDP1+
5
SIO+
30
SD00+
6
SD08+
31
SD01+
7
SD09+
32
SD02+
8
SD10+
33
SD03+
9
SD11+
34
SD04+
10
SD12
−
35
SD05+
11
SD13
−
36
SD06+
12
SD14
−
37
SD07+
13
SD15
−
38
SDP0+
14
SDP1
−
39
GND
15
SD00
−
40
DIFFSENS
16
SD01
−
41
TERMPWR
17
SD02
−
42
TERMPWR
18
SD03
−
43
N/C
19
SD04
−
44
GND
20
SD05
−
45
SATN+
21
SD06
−
46
GND
22
SD07
−
47
SBSY+
23
SDP0
−
48
SACK+
24
GND
49
SRST+
25
J3_SENS
50
TERMPWR
51
SMSG
−
60
TERMPWR
52
SSEL
−
61
N/C
53
SCD
−
62
GND
54
SREQ
−
63
SATN
−
55
SIO
−
64
GND
56
SD08
−
65
SBSY
−
57
SD09
−
66
SACK
−
58
SD10
−
67
SRST
−
59
SD11
−
68
Note:
When operated in the SE mode, all signals with the + suffix
are clamped to ground.