Desktop Board Features
15
Audio Subsystem
Desktop Board D945PLNM includes a flexible 6-channel (5.1) audio subsystem based on the Intel
High Definition Audio interface:
The audio subsystem features:
• Intel 82801GB I/O Controller Hub (ICH7)
• SigmaTel STAC9220
• Impedance sensing capability for jack retasking
• S/N (signal-to-noise) ratio: 90 dB
• Microphone input supporting:
⎯ Stereo microphone
⎯ Microphone boost
The subsystem includes the following connectors:
• Front panel audio connector, including functionality for:
⎯ Line out
⎯ Microphone in
• Back panel audio connectors that are configurable through the drivers of the audio devices:
⎯ Line in/retasking jack
⎯ Line out/retasking jack
⎯ Mic in/retasking jack
Related Links:
Go to the following link or pages for more information about:
• Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/
• Installing the front panel audio solution, page 40 in Chapter 2
• The location of audio connectors, Figure 21 on page 42
Input/Output (I/O) Controller
The super I/O controller features the following:
• Low pin count (LPC) interface
• 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 or 1.44 MB diskette drive
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
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