SCSI Internal (Differential)

From HwB

Pinout

Idc50m.png

50 PIN IDC MALE at the controller & harddisk.

Idc50f.png

50 PIN IDC FEMALE at the cable.

Pin Name Dir Description
01 GND Arrow.png Ground
02 GND Arrow.png Ground
03 +DB0 Arrowlr.png +Data Bus 0
04 -DB0 Arrowlr.png -Data Bus 0
05 +DB1 Arrowlr.png +Data Bus 1
06 -DB1 Arrowlr.png -Data Bus 1
07 +DB2 Arrowlr.png +Data Bus 2
08 -DB2 Arrowlr.png -Data Bus 2
09 +DB3 Arrowlr.png +Data Bus 3
10 -DB3 Arrowlr.png -Data Bus 3
11 +DB4 Arrowlr.png +Data Bus 4
12 -DB4 Arrowlr.png -Data Bus 4
13 +DB5 Arrowlr.png +Data Bus 5
14 -DB5 Arrowlr.png -Data Bus 5
15 +DB6 Arrowlr.png +Data Bus 6
16 -DB6 Arrowlr.png -Data Bus 6
17 +DB7 Arrowlr.png +Data Bus 7
18 -DB7 Arrowlr.png -Data Bus Parity7
19 +DBP Arrowlr.png +Data Bus Parity (odd Parity)
20 -DBP Arrowlr.png -Data Bus Parity (odd Parity)
21 DIFFSENS  ?  ???
22 GND Arrow.png Ground
23 res - Reserved
24 res - Reserved
25 TERMPWR Arrowlr.png Termination Power
26 TERMPWR Arrowlr.png Termination Power
27 res - Reserved
28 res - Reserved
29 +ATN Arrowl.png +Attention
30 -ATN Arrowl.png -Attention
31 GND Arrow.png Ground
32 GND Arrow.png Ground
33 +BSY Arrowlr.png +Bus is busy
34 -BSY Arrowlr.png -Bus is busy
35 +ACK Arrowl.png +Acknowledge
36 -ACK Arrowl.png -Acknowledge
37 +RST Arrowlr.png +Reset
38 -RST Arrowlr.png -Reset
39 +MSG Arrowr.png +Message
40 -MSG Arrowr.png -Message
41 +SEL Arrowlr.png +Select
42 -SEL Arrowlr.png -Select
43 +C/D Arrowr.png +Control or Data
44 -C/D Arrowr.png -Control or Data
45 +REQ Arrowr.png +Request
46 -REQ Arrowr.png -Request
47 +I/O Arrowr.png +In/Out
48 -I/O Arrowr.png -In/Out
49 GND Arrow.png Ground
50 GND Arrow.png Ground

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

Contributions