Intel DG31GL Product Guide - Page 15

Desktop Board Features Audio Subsystem The onboard audio subsystem consists of the following: • Intel® ICH7 • RealTek ALC268-GR audio codec • Back panel audio connectors • Onboard audio header/connector: ⎯ Intel High Definition audio front panel audio header ⎯ Onboard S/PDIF connector The audio subsystem supports the following features: • A signal-to-noise (S/N) ratio of 90 dB for recording and 95 dB for playback • 4-channel audio (two independent 2-channel audio streams) using the back panel audio connectors and the Intel High Definition front panel audio header for use with front panel audio solutions • Front panel support for both Intel High Definition Audio and AC'97 audio For more information about audio drivers and utilities go to http://support.intel.com/support/motherboards/desktop/. Legacy Input/Output (I/O) Controller The legacy I/O controller features the following: • Low pin count (LPC) interface • One serial port interface via an onboard header • Serial IRQ interface compatible with serialized IRQ support for PCI systems • Intelligent power management, including a programmable wake up event interface • PCI power management support LAN Subsystem The LAN subsystem includes: • Intel ICH7 • Intel® 82562G Fast Ethernet Controller for operation at 10/100 Mb/s • RJ-45 LAN connector with integrated status LEDs The subsystem features: • CSMA/CD protocol engine • LAN connect interface between ICH7 and the LAN controller • PCI bus power management For information about LAN software and drivers, go to http://support.intel.com/support/motherboards/desktop. 15