High Quality Content by WIKIPEDIA articles! The nForce2 features two different southbridges, the MCP and the MCP-T. The two differ only in audio and Ethernet integration. The latter is equipped with two 100 Mbit Ethernet NICs (nV and 3Com 3C905) and the impressive NVAPU (SoundStorm) with hardware accelerated 3D audio and real-time 5.1-channel Dolby Digital encoding whereas the first features one 100 Mbit NIC and an AC97 audio controller. For audio, both MCP units were connected to an external codec chip, such as a Realtek ALC650. With the MCP, this codec provided all software-driven audio duties, while with the MCP-T it performed the DAC duties. Unfortunately, the external codec and unavoidably noisy motherboard circuitry (EMI/RFI) were detrimental to audio quality on even the MCP-T equipped boards, and as a result the nForce audio solutions were never of high fidelity unless the S/PDIF output (TOSLINK or coaxial) was used.

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