The CS4235 is a single chip multimedia audio system that is pin-compatible to the CS423xB for many designs. The product includes an integrated FM synthesizer and a Plug-and-Play interface. In addition, the CS4235 includes hardware master volume control pins as well as extensive power management and 3D sound technology. The CS4235 is compatible with the Microsoft Windows Sound System standard and will run software written to the Sound Blaster and Sound Blaster Pro interfaces. The CS4235 is fully compliant with Microsoft's PC'97 and PC'98 audio requirements.