EVGA nForce 122-CK-NF68-XX - Manual (Page 57)

Installing and Configuring the EVGA nForce 680i SLI Motherboard
6
High Definition Audio (HDA)
High definition audio brings consumer electronics quality sound to the PC
delivering high quality sound from multiple channels. Using HDA, systems can
deliver 192 kHz/32-bit quality for eight channels, supporting new audio
formats.
USB 2.0
A standard plug-and-play interface that provides easy-to-use connectivity for
USB devices.
Note:
*While NVIDIA technology will provide FSB speeds beyond spec, the
processor must be capable of this speed.