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Connector pinout: SCSI Internal (Differential)


SCSI Internal (Differential)

50 PIN IDC MALE at the controller & devices



50 PIN IDC FEMALE at the cable



pinnamedirectiondescriptioncolor
1GND------Ground
2GND------Ground
3+DB0IN/OUT+Data Bus 0
4-DB0IN/OUT-Data Bus 0
5+DB1IN/OUT+Data Bus 1
6-DB1IN/OUT-Data Bus 1
7+DB2IN/OUT+Data Bus 2
8-DB2IN/OUT-Data Bus 2
9+DB3IN/OUT+Data Bus 3
10-DB3IN/OUT-Data Bus 3
11+DB4IN/OUT+Data Bus 4
12-DB4IN/OUT-Data Bus 4
13+DB5IN/OUT+Data Bus 5
14-DB5IN/OUT-Data Bus 5
15+DB6IN/OUT+Data Bus 6
16-DB6IN/OUT-Data Bus 6
17+DB7IN/OUT+Data Bus 7
18-DB7IN/OUT-Data Bus Parity7
19+DBPIN/OUT+Data Bus Parity (odd Parity)
20-DBPIN/OUT-Data Bus Parity (odd Parity)
21DIFFSENS????
22GND------Ground
23res-Reserved
24res-Reserved
25TERMPWRIN/OUTTermination Power
26TERMPWRIN/OUTTermination Power
27res-Reserved
28res-Reserved
29+ATNIN+Attention
30-ATNIN-Attention
31GND------Ground
32GND------Ground
33+BSYIN/OUT+Bus is busy
34-BSYIN/OUT-Bus is busy
35+ACKIN+Acknowledge
36-ACKIN-Acknowledge
37+RSTIN/OUT+Reset
38-RSTIN/OUT-Reset
39+MSGOUT+Message
40-MSGOUT-Message
41+SELIN/OUT+Select
42-SELIN/OUT-Select
43+C/DOUT+Control or Data
44-C/DOUT-Control or Data
45+REQOUT+Request
46-REQOUT-Request
47+I/OOUT+In/Out
48-I/OOUT-In/Out
49GND------Ground
50GND------Ground