Computers, Laptops & Tablets > Accessories & Hardware Floppy Drive 4-Pin Power Connector Pinout Pinout for the standard 4-pin floppy drive power connector By Tim Fisher Tim Fisher Senior Vice President & Group General Manager, Tech & Sustainability Emporia State University Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades and serves as the SVP and General Manager of Lifewire. lifewire's editorial guidelines Updated on August 31, 2023 Accessories & Hardware The Quick Guide to Webcams Keyboards & Mice Monitors Cards HDD & SSD Printers & Scanners Raspberry Pi Trending Videos Close this video player The floppy drive 4-pin power supply connector is the standard floppy drive power connector used in computers. Below is the complete pinout table for the standard floppy drive 4-pin peripheral power connector (aka, Berg or Mini-Molex connector) as of Version 2.2 of the ATX Specification (PDF). If you're using this pinout table to test power supply voltages, be aware that the voltages must be within ATX specified tolerances. Floppy Drive 4-Pin Power Connector Pinout (ATX v2.2) Pinout Table Pin Name Color Description 1 +5VDC Red +5 VDC 2 COM Black Ground 3 COM Black Ground 4 +12VDC Yellow +12 VDC You can see other ATX power supply connector pinouts, like for the 24-pin motherboard power connector and 15-pin SATA power connector, in our ATX Power Supply Pinout Tables list. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies