# SCSI-III External Hi D-Sub (Single-ended)

(at the controller & devices).
(To the cable).

68 PIN HI-DENSITY D-SUB FEMALE at the controller & devices.
68 PIN HI-DENSITY D-SUB MALE at the cable.

Pin | Name | Dir | Description
--- | --- | --- | ---
1-16 | GND |  | Ground
17 | TERMPWR |  | Termination Power
18 | TERMPWR |  | Termination Power
19 | res |  | reserved
20-34 | GND |  | Ground
35 | DB12 |  | Data Bus 12
36 | DB13 |  | Data Bus 13
37 | DB14 |  | Data Bus 14
38 | DB15 |  | Data Bus 15
39 | DPB1 |  | Data Parity (odd Parity)
40 | DB0 |  | Data Bus 0
41 | DB1 |  | Data Bus 1
42 | DB2 |  | Data Bus 2
43 | DB3 |  | Data Bus 3
44 | DB4 |  | Data Bus 4
45 | DB5 |  | Data Bus 5
46 | DB6 |  | Data Bus 6
47 | DB7 |  | Data Bus 7
48 | DPB |  | Data Parity (odd Parity)
49 | GND |  | Ground
50 | GND |  | Ground
51 | TERMPWR |  | Termination Power
52 | TERMPWR |  | Termination Power
53 | res |  | reserved
54 | GND |  | Ground
55 | /ATN |  | Attention
56 | GND |  | Ground
57 | /BSY |  | Busy
58 | /ACK |  | Acknowledge
59 | /RST |  | Reset
60 | /MSG |  | Message
61 | /SEL |  | Select
62 | /C/D |  | Control/Data
63 | /REQ |  | Request
64 | /I/O |  | Input/Output
65 | DB8 |  | Data Bus 8
66 | DB9 |  | Data Bus 9
67 | DB10 |  | Data Bus 10
68 | DB11 |  | Data Bus 11

Note: Direction is Device relative Bus (other Devices).

Contributor: Joakim Ögren

Source:
SCSI FAQ
SCSI 68 Pin Normal pinout at The Pin-Out directory

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07