Desktop Board Features
15
Intel
®
X58 Express Chipset
The Intel X58 Express Chipset consists of the following devices:
• Intel X58 Express Chipset I/O Hub (IOH)
• Intel 82801IJR I/O Controller Hub (ICH10R)
The IOH provides interfaces to the processor and the PCI Express bus. ICH10R is the
centralized controller for the board’s I/O paths.
Related Links:
Go to the following link for more information about the Intel X58 Express Chipset:
http://developer.intel.com/products/chipsets/index.htm
Audio Subsystem
The onboard audio subsystem consists of the following components:
• Intel
®
ICH10R I/O controller hub
• RealTek ALC889 codec
The subsystem has the following headers and connectors:
• Back panel audio connectors, including an S/PDIF optical port
• High Definition (HD) Audio front panel header that provides mic in and line out
signals for front panel audio connectors
• HD Audio Link header used for HDMI video cards
• S/PDIF connector that can be used for HDMI video cards that do not work with the
HD Audio Link header
The audio subsystem supports the following features:
• Dolby* Home Theater
• A signal-to-noise (S/N) ratio of 95 dB
• Independent multi-streaming 8-channel (7.1) audio (using the back panel audio
connectors) and 2-channel audio (using the Intel High Definition Audio front panel
header)
Related Links:
Go to the following link or pages for more information about:
• Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/
• The location of the onboard audio headers, Figure 27 on page 46
• The si
gnal names for the Intel High Definition Audio front panel header and the HD
Audio Link header, page 47
• The bac
k panel audio connectors, Figure 28 on page 52
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