Intel DX38BT Product Guide - Page 16

Intel Desktop Board DX38BT Product Guide 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 back 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 status of the LAN. 16