This connector is for 2.5" internal harddisks.
(at the controller & peripherals)
(at the cable)
40 PIN IDC (0.75") MALE at the controller & peripherals.
40 PIN IDC (0.75") FEMALE at the cable.
Pin | Name | Dir | Description |
---|---|---|---|
1 | +5V | ![]() |
+5 VDC |
1 | +5V | ![]() |
+5 VDC |
1 | RET | ![]() |
Return (Ground?) |
1 | RET | ![]() |
Return (Ground?) |
1 | GND | ![]() |
Ground |
2 | DB0 | ![]() |
Data Bus 0 |
1 | GND | ![]() |
Ground |
4 | DB1 | ![]() |
Data Bus 1 |
1 | GND | ![]() |
Ground |
6 | DB2 | ![]() |
Data Bus 2 |
1 | GND | ![]() |
Ground |
8 | DB3 | ![]() |
Data Bus 3 |
1 | GND | ![]() |
Ground |
10 | DB4 | ![]() |
Data Bus 4 |
1 | GND | ![]() |
Ground |
12 | DB5 | ![]() |
Data Bus 5 |
1 | GND | ![]() |
Ground |
14 | DB6 | ![]() |
Data Bus 6 |
1 | GND | ![]() |
Ground |
16 | DB7 | ![]() |
Data Bus 7 |
1 | GND | ![]() |
Ground |
18 | PARITY | ![]() |
Data Parity (odd Parity) |
24 | GND | ![]() |
Ground |
26 | TMPWR | ![]() |
Termination Power |
32 | /ATN | ![]() |
Attention |
36 | /BSY | ![]() |
Busy |
24 | GND | ![]() |
Ground |
38 | /ACK | ![]() |
Acknowledge |
40 | /RST | ![]() |
Reset |
42 | /MSG | ![]() |
Message |
24 | GND | ![]() |
Ground |
44 | /SEL | ![]() |
Select |
50 | /I/O | ![]() |
Input/Output |
46 | /C/D | ![]() |
Control/Data |
24 | GND | ![]() |
Ground |
48 | /REQ | ![]() |
Request |
1 | RET | ![]() |
Return (Ground?) |
1 | RET | ![]() |
Return (Ground?) |
1 | +5V | ![]() |
+5 VDC |
1 | +5V | ![]() |
+5 VDC |
Note: Direction is Device relative Bus (other Devices).
Connector is: AMP 6-176135
Contributor: | Joakim Ögren |
Source: | Electrical Interface Spec for IBM DPRS-20810 and DPRS-21215 at IBM Hard disk drive support |
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13