Desktop Board Features
15
Intel
®
945G Express Chipset
The Intel 945G Express Chipset consists of the following devices:
• Intel 82945G Express Chipset Graphics and Memory Controller Hub (GMCH)
• Intel 82801GB I/O Controller Hub (ICH7)
The Intel 945G Express Chipset contains two separate, mutually exclusive graphics
options. Either the integrated Intel GMA 950 graphics controller is used or a PCI
Express x16 add-in card can be used. When a PCI Express x16 add-in card is
installed, the Intel GMA 950 graphics controller is disabled.
Related Link:
Go to the following link for more information about the Intel 945G Express Chipset:
http://developer.intel.com/design/nav/pcserver.htm
Onboard Audio Subsystem
Desktop Board D945GCL has a flexible 6-channel (5.1) onboard audio subsystem that
includes a SigmaTel STAC9220 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 connectors:
• Front panel audio connector, 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
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
44
• The location of audio connectors,
Figure 21 on page 47
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