Pinouts >  HDD and other storage devices connectors  >  Apple pinouts
19 pin D-SUB female connector layout
19 pin D-SUB female connector
This connector is present on the Macintosh 128K, 512K,512K enhanced, Plus, SE, SE/30, Classic, Classic II/Performa 200, portable, IIcx, IIci, IIsi, and IIvi/IIvx/Performa 600.

A Macintosh 800K External Drive or an Apple 3.5 Drive can be connected to the Macintosh 512K enhanced, Plus, SE, SE/ 30, Classic, Classic II/Performa 200, IIcx, IIci, IIsi, Portable, and IIvi/IIvx/Performa 600.
Ports and Pinouts External Floppy Drive Connector: DB-19 - 23 Connect an Apple SuperDrive to a Macintosh SE (FDHD upgrade), SE/30, Classic, Classic II, IIcx, IIci, IIsi, Portable, and IIvi/IIvx/Performa 600.
Connect a Hand Disk 20 to a Macintosh 512K, 512K enhanced, Plus, and SE.

Pin Name Dir Description
1 CGND --- Chassis ground
2 CGND --- Chassis ground
3 CGND --- Chassis ground
4 CGND --- Chassis ground
5 -12V --> -12 VDC
6 +5V --> +5 VDC
7 +12V --> +12 VDC
8 +12V --> +12 VDC
9 n/c - Not connected
10 PWM ? Regulates speed of the drive
11 CA0 ? Control line to send commands to the drive
12 CA1 ? Control line to send commands to the drive
13 CA2 ? Control line to send commands to the drive
14 LSTRB ? Control line to send commands to the drive
15 WrReq- ? Turns on the ability to write data to the drive
16 HdSel ? Control line to send commands to the drive
17 Enbl2- ? Enables the Rd line (else Rd is tristated)
18 Rd <-- Data actually read from the drive
19 Wr --> Data actually written to the drive
19 pin D-SUB male connector layout
19 pin D-SUB male connector
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 Tech Info Library, Article ID: TECHINFO-0001424; Ben Harris
Copyright © 2000-2021 by pinouts.ru team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to Old.Pinouts.ru .
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.