English Product Guide

Intel Desktop Board DX38BT Product Guide
16
Audio Subsystem
The onboard audio subsystem consists of the following:
• Intel
®
ICH9R I/O controller hub
• IDT STAC9274D audio codec
• Back panel audio connectors
• Onboard audio headers:
• Intel High Definition audio front panel header
• HD Audio Link header
The audio subsystem supports the following features:
• Dolby* Home Theater support
• 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)
• ADAT* optical interface support from the back panel S/PDIF optical port
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 50
• The signal
names for the Intel High Definition audio front panel header and the HD
Audio Link header, page 51
• The bac
k
panel audio connectors, Figure 28 on page 55
LAN Subsystem
The LAN subsystem includes:
• Intel ICH9R
• Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
• RJ-45 LAN connector with integrated status LEDs
The subsystem features:
• CSMA/CD protocol engine
• LAN connect interface between ICH9R and the LAN controller
• PCI bus power management
Related Links:
Go to the following link for information about LAN software and drivers:
http://support.intel.com/support/motherboards/desktop
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 2). These LEDs indicate the statu
s of the LAN.