The keyword refers to a specific Hardware ID for a Generic Smart Card device as recognized by the Windows operating system . Specifically, it is the identifier used by the Smart Card PnP Class Filter Driver ( scfilter.sys ) to manage the communication between a smart card and its reader. Understanding SCFILTER and Smart Card IDs
: The string following "SCFILTER" is a unique ID generated from the card’s Answer to Reset (ATR) string.
: A "Smart Card" appears in your Device Manager with a yellow exclamation mark because the system cannot find a specific "Minidriver" for it.
: This specific hex string identifies a "Generic Smart Card" often found in systems manufactured by companies like Gigabyte. Why You See This ID
If your computer is asking for a driver for this specific CID, it usually means the card you inserted requires a . DriverIdentifierhttps://www.driveridentifier.com