HDD and other storage devices connectors  > Apple pinouts
This connector is present on the Macintosh Duo MiniDock and PowerBook Duo Floppy adapter. An HDI-20 1.4 MB drive can be connected to this port.
Pin Name Description
1 GND Signal Ground
2 GND Signal Ground
3 GND Signal Ground
4 GND Signal Ground
5 NC No connection
6 +5V +5 volts DC
7 +5V +5 volts DC
8 +5V +5 volts DC
9 +5V +5 volts DC
10 NC No connection
11 PH0 Phase 0: state control line
12 PH1 Phase 1: state control line
13 PH2 Phase 2: state control line
14 PH3 Phase 3: register write strobe
15 WREQ Write request
16 HDSEL Head select
17 ENBL2 External drive select
18 RD Read data
19 WR Write data
20 NC No connection


According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
Source(s) of this and additional information: Apple "Ports and Pinouts", from Hardware Book
This page contain parts under Copyright © 2000-2018 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to Old.Pinouts.ru . Webmaster permission required in any other cases.
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.