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