Intel® p45 express chipset, Audio subsystem, Intel – Intel DP45SG User Manual
Page 14: P45 express chipset
Intel Desktop Board DP45SG Product Guide
14
Go to the following locations for more information about:
• SDRAM specifications,
• Installing memory, page 35 in Chapter 2
• Tested memory,
Intel
®
P45 Express Chipset
The Intel P45 Express Chipset consists of the following devices:
• Intel P45 Express Chipset Memory Controller Hub (MCH) with Direct Media
Interface (DMI) interconnect
• Intel 82801JR I/O Controller Hub (ICH10R) with DMI interconnect
The MCH provides interfaces to the processor, memory, PCI Express bus, and the DMI
interconnect. ICH10R is a centralized controller for the board’s I/O paths.
For more information about the Intel P45 Express Chipset, go to
Audio Subsystem
The onboard audio subsystem consists of the following components:
• Intel
®
ICH10R I/O controller hub
• IDT 92HD73E audio codec
The subsystem has the following headers and connectors:
• Back panel audio connectors, including an S/PDIF optical port
• Front panel header that provides mic in and line out signals for front panel audio
connectors. High definition (HD) Audio or AC’97 Audio front panels can be
supported.
• HD Audio Link header used with HDMI video cards
• Onboard 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)
Go to the following locations for more information about:
• Audio drivers and utiliti
• The location of the onboard audio headers, Figure 23 on page 44
• The signal names for the front panel header and the HD Audio Link header,
page 48
• The back panel audio connectors, Figure 24 on page 50