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Intel Desktop Board DG33FB Product Guide
16
Audio Subsystem
The onboard audio subsystem consists of the following:
• Intel ICH9DH I/O controller hub
• RealTek ALC888 audio codec
• Back panel audio connectors
• Intel High Definition audio front panel audio header
The audio subsystem supports the following features:
• A signal-to-noise (S/N) ratio of 95 dB
• Independent multi-streaming 5.1 audio (using the back panel audio connectors)
and stereo (using the Intel High Definition front panel audio 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/
• Installing the front panel audio solution, page
46
• The location of audio connectors,
Figure 24 on page 49
Legacy Input/Output (I/O) Controller
The I/O controller features the following:
• Low pin count (LPC) interface
• One serial port interface via an onboard header
• One diskette drive interface
• Serial IRQ interface compatible with serialized IRQ support for PCI systems
• PS/2-style mouse and keyboard interfaces
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
LAN Subsystem
The LAN subsystem includes:
• Intel
®
ICH9DH
• 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 ICH9DH 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