Intel D975XBX2 manual Audio Subsystem, Input/Output I/O Controller

Intel Desktop Board D975XBX2 Product Guide

Audio Subsystem

The desktop board D975XBX2 includes a flexible 8-channel audio subsystem based on a SigmaTel STAC9247D audio codec:

The audio subsystem features:

•Intel High Definition Audio interface

•Impedance sensing capability for jack re-tasking

•S/N (signal-to-noise) ratio: > 90 dB

•Power management support for ACPI 2.0 (driver dependent)

•Intel 82801GH I/O Controller Hub (ICH7DH)

•Microphone input that supports:

―Microphone array

―Acoustic Echo (AEC)

―Beam Forming (BF)

―Noise Suppression (NX) technology

The subsystem includes the following connectors:

•Front panel audio connector, including pins for:

―Line out

―Mic

•Back panel audio connectors that are configurable through the drivers of the audio devices:

―Line in

―Three Line out

―Mic in or Center LFE out

•Two digital Line out:

―One coaxial Line out

―One optical (Toslink) Line out

Related Links

Go to the following link or pages for more information about audio drivers and utilities: http://support.intel.com/support/motherboards/desktop/

Input/Output (I/O) Controller

The super I/O controller features the following:

•One serial port

•One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support

•Serial IRQ interface compatible with serialized IRQ support for PCI systems

•PS/2-style mouse and keyboard interfaces

•Interface for one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive

•Intelligent power management, including a programmable wake up event interface

•PCI power management support

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