Intel Desktop Board DP45SG Product Guide
14
Go to the following locations for more information about:
•
SDRAM specifications,
http://www.intel.com/technology/memory/
•
Installing memory, page 35 in Chapter 2
•
Tested memory,
http://www.cmtlabs.com/mbsearch.asp
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
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
•
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 utilities
http://support.intel.com/support/motherboards/desktop/
•
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
