The system for most generic uses (e.g., as a regular PC). The driver is only required for industrial/embedded features.

Settings > Apps > Optional features > Add a feature > IrDA Infrared for your laptop model?

: The specific device model ID designated for their Fast Infrared (FIR) communication chip .

May require turning off driver signature enforcement on Windows 11. Quick fixing on older setups.

Ensure "Infrared Port" is set to "Enabled" and configured to "FIR" (not just SIR) for full speed.

Check your laptop manufacturer's legacy support page (e.g., Acer or Fujitsu). Look for drivers labeled "Infrared," "IrDA," or "National Semiconductor."

Infrared Data Association (IrDA) technology was once a standard feature for wirelessly transferring data between a laptop and other devices like PDAs, mobile phones, or printers. It required a clear line of sight between the devices' infrared ports.

Locate the version matching your system architecture (32-bit or 64-bit). Download the .cab archive file.

(like calendars and contacts) without cables.

(if driver supports it):

National Semiconductor's Geode product line was eventually acquired by (and later Nuvoton). In many driver databases, the NSC6001 is identified as a Winbond device.