Intel Desktop Board D975XBX2 Product Guide
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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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