Typically used for 3½ floppy disk drives. 

Called a "Berg" connector.

AMP EI Series part numbers:

AMP / TE Connectivity 171822-4 – Cable socket

AMP / TE Connectivity 171825-4 – Vertical PCB header

AMP / TE Connectivity 171826-4 – Right Angle PCB header

 

Pin  Name     Color   Description
1    +5VDC    Red     +5 VDC
2    COM      Black   Ground
3    COM      Black   Ground
4    +12VDC   Yellow  +12 VDC

 

USEFUL?
We benefit hugely from resources on the web so we decided we should try and give back some of our knowledge and resources to the community by opening up many of our company’s internal notes and libraries through mini sites like this. We hope you find the site helpful.
Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.