To confirm you have an ALC271X, check the Hardware ID in your system properties. It will usually look like HDAUDIO\FUNC_01&VEN_10EC&DEV_0271 .
: Designed with jack detection pins that can sense up to 4 jacks each. Common Applications & Ecosystem ALC271X REALTEK QFN-48 Other Components alc271x datasheet
For detailed technical specifications, pinouts, and application notes, it's essential to consult the official datasheet provided by Realtek or contact their support directly. This ensures obtaining the most accurate and up-to-date information for design and development purposes. To confirm you have an ALC271X, check the