Pin Number
Signal Name
Pin Number
Signal Name
14 -SEL 54
GROUND
15 -MSG 55
GROUND
16 -RST 56
GROUND
17 -ACK 57
GROUND
18 -BSY 58
GROUND
19 -ATN 59
GROUND
20 -DBP(0) 60 GROUND
21 -DB(7) 61
GROUND
22 -DB(6) 62
GROUND
23 -DB(5) 63
GROUND
24 -DB(4) 64
GROUND
25 -DB(3) 65
GROUND
26 -DB(2) 66
GROUND
27 -DB(1) 67
GROUND
28 -DB(0) 68
GROUND
29 -DBP(1) 69 GROUND
30 -DB(15) 70
GROUND
31 -DB(14) 71
GROUND
32 -DB(13) 72
GROUND
33 -DB(12) 73
GROUND
34 5VDC 74
MATED
2
35 5VDC 75
GROUND
36 5VDC 76
GROUND
37 RESERVED 77 ACTIVE
LED
38 RESERVED 78 RESERVED
39
SCSI ID (0)
79
SCSI ID (1)
40
SCSI ID (2)
80
SCSI ID (3)
Table 9: 80-Pin Connector Pinout with Low Voltage Differential (LVD) Electrical Interface
Pin Number
Signal Name
Pin Number
Signal Name
1 RESERVED 41 GROUND
2 RESERVED 42 GROUND
3 RESERVED 43 GROUND
4 RESERVED 44 MATED
1
5 RESERVED 45 RESERVED
6 RESERVED 46 DIFFSENS
7 -DB(11) 47 +DB(11)
8 -DB(10) 48 +DB(10)
9 -DB(9) 49 +DB(9)
15
Product Specification and User Manual FFD 3.5" Ultra320 SCSI
43-PS-0305-00 Rev. 2.0