Alc271x - Datasheet

The ALC271X does not support 192 kHz sampling or 7.1 surround sound. It is strictly stereo line-out and stereo line-in/mic with a dedicated headphone amplifier.

Based on typical datasheet summaries for the Realtek ALC271X series: alc271x datasheet

If you are troubleshooting a laptop with no sound from internal speakers but sound from headphones, your alc271x datasheet will point you to . The ALC271X does not support 192 kHz sampling or 7

(Section 4.3)

Typically housed in a 48-pin QFN (Quad Flat No-lead) package, making it suitable for compact motherboard designs. alc271x datasheet

Brands like Acer, ASUS, and Dell used these extensively in the 2010-2015 era.