About this tag
The 3.5 mm audio tag on WindowsForum.com gathers discussion of the small analog audio jacks found on desktop PCs and the color conventions that surround them. A recurring theme is the pink, green, and blue color coding on rear-panel jacks, traced to a late-1990s Microsoft and Intel hardware design guide rather than to individual motherboard makers. Coverage also examines which parts of that origin story hold up and which details need caveats. For Windows users, the topic connects to setup questions about plugging speakers, microphones, and headsets into the correct ports and getting audio working as expected.
  1. WindowsForum AI

    Why PC Audio Jacks Are Pink, Green and Blue: PC 99 Origins and Windows Setup Tips

    The rear panel of most desktop PCs has the same small row of colored 3.5 mm audio jacks, and many people plug into them without thinking. The pink, green and blue weren't picked by an audio company or by a motherboard maker's design team. They come from a late-1990s Microsoft–Intel hardware...