Pin Number
Signal Name
Pin Number
Signal Name
10 -DB(8) 50 +DB(8)
11 -I/O 51 +I/O
12 -REQ 52 +REQ
13 -C/D 53 +C/D
14 -SEL 54 +SEL
15 -MSG 55 +MSG
16 -RST 56 +RST
17 -ACK 57 +ACK
18 -BSY 58 +BSY
19 -ATN 59 +ATN
20 -DBP(0) 60 +DBP(0)
21 -DB(7) 61 +DB(7)
22 -DB(6) 62 +DB(6)
23 -DB(5) 63 +DB(5)
24 -DB(4) 64 +DB(4)
25 -DB(3) 65 +DB(3)
26 -DB(2) 66 +DB(2)
27 -DB(1) 67 +DB(1)
28 -DB(0) 68 +DB(0)
29 -DBP(1) 69 +DBP(1)
30 -DB(15) 70 +DB(15)
31 -DB(14) 71 +DB(14)
32 -DB(13) 72 +DB(13)
33 -DB(12) 73 +DB(12)
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)
Notes: 1.
The 12V pins, as defined in the SCA specification (pins 1-4 on the 80-pin connector),
are not required for FFD operation. These pins may be connected to a 12V power
supply or left unconnected.
2.
The Activity LED is limited to 24 mA and a 100
Ω
resistor.
16
Product Specification and User Manual FFD 3.5" Ultra320 SCSI
43-PS-0305-00 Rev. 2.0
