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Desktop Board Features
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Intel
®
945GC Express Chipset
The Intel 945GC Express Chipset consists of the following devices:
• Intel 82945GC Express Chipset Graphics and Memory Controller Hub (GMCH)
• Intel 82801GB I/O Controller Hub (ICH7)
The GMCH component provides interfaces to the processor, memory, and the DMI
interconnect. This component also provides integrated graphics capabilities via the
Intel
®
Graphics Media Accelerator 950 (Intel
®
GMA 950).
The ICH7 is a centralized controller for the board’s I/O paths. For more information
about the Intel 945GC Express Chipset, go to
http://www.intel.com/design/chipsets/express_flyer.htm
.
Onboard Audio Subsystem
Desktop Board D945GCLF has a 4-channel (two independent 2-channel audio streams)
onboard audio subsystem that includes a Realtek ALC662 audio codec.
The audio subsystem features:
• Intel High Definition Audio interface
• Advanced jack sense, for the back panel connectors, that enables the audio codec
to recognize the device that is connected to an audio port and retask the connector
via the audio driver.
• S/N (signal-to-noise) ratio: 95 dB
• Microphone input supporting:
― Stereo microphone
― Microphone boost
The subsystem includes the following headers and connectors:
• Front panel audio header, including functionality for:
― Line out
― Microphone in
• Back panel audio connectors that are configurable through the audio device
drivers:
― Line in/retasking jack
― Line out/retasking jack
― Mic in/retasking jack