Figure 1-18 and Table 1-13 show the SCSI port connector and pinouts.
Figure 1-18
SCSI Port, Ultra 3, 68-Pin
Table 1-13
SCSI Port Pinouts
Pin Number
1
S1 (+DB 12)
2
S2 (+DB 13)
3
S3 (+DB 14)
4
S4 (+DB 15)
5
S5 (+DB P 1)
6
S6 (+DB 0)
7
S7 (+DB 1)
8
S8 (+DB 2)
9
S9 (+DB 3)
10
S10 (+DB 4)
11
S11 (+DB5)
12
S12 (+DB 6)
13
S13 (+DB 7)
14
S14 (+DB P)
15
S15
16
S16 (DIFFSENS)
17
S17 (TERMPWR)
18
S18 (TERMPWR)
19
S19 (RESERVED)
20
S20
Chapter 1
Signal Description
Pin Number
35
S35 (–DB 12)
36
S36 (–DB 13)
37
S37 (–DB 14)
38
S38 (–DB 15)
39
S39 (–DB P 1)
40
S40 (–DB 0)
41
S41 (–DB 1)
42
S42 (–DB 2)
43
S43 (–DB 3)
44
S44 (–DB 4)
45
S45 (–DB 5)
46
S46 (–DB 6)
47
S47 (–DB 7)
48
S48 (–DB P)
49
S49
50
S50
51
S51 (TERMPWR)
52
S52 (TERMPWR)
53
S53 (RESERVED)
54
S54
Overview
Controls, Ports, and LEDs
Signal Description
37