Asus P9D-V - Manual (Page 18)

1-6 Chapter 1: Product introduction
1.4.2 Innovative ASUS features
ASUS Fan Speed technology
The ASUS Fan Speed technology smartly adjusts the fan speeds according to the system
loading to ensure quiet, cool, and efficient operation.
ASUS MIO Audio card
The ASUS MIO audio card is a discrete 8-channel high definition audio (High Definition
Audio previously codenamed Azalia) CODEC that enables the clearest high quality audio
output. It has jack-sensing feature, retasking functions, and multi-streaming technology
that simultaneously send different audio streams to different destinations for high-end
sound quality.