Intel D975XBX Product Guide - Page 14

Intel Desktop Board D975XBX Product Guide Related Links Go to the following links or pages for more information about: • The latest list of tested memory, http://support.intel.com/support/motherboards/desktop/ • SDRAM specifications, http://www.intel.com/technology/memory/ • Installing memory, page 31 in Chapter 2 Intel® 975X Express Chipset The Intel 975X Express Chipset consists of the following devices: • Intel 82975X Memory Controller Hub (MCH) with Direct Media Interface • Intel 82801GH I/O Controller Hub (ICH7DH) Related Link Go to the following link for more information about the Intel 975X Express Chipset: http://www.intel.com/products/desktop/chipsets Audio Subsystem The desktop board D975XBX includes a flexible 8-channel audio subsystem based on an Intel High Definition Audio codec: The audio subsystem features: • Impedance sensing capability for jack re-tasking • S/N (signal-to-noise) ratio: > 90 dB • Power management support for ACPI 2.0 (driver dependent) • Intel 82801GH I/O Controller Hub (ICH7DH) • SigmaTel audio codec • Microphone input that supports: ⎯ Microphone array ⎯ Acoustic Echo (AEC) ⎯ Beam Forming (BF) ⎯ Noise Suppression (NX) technology The subsystem includes the following connectors: • Front panel audio connector, including pins for: ⎯ Line out ⎯ Mic • Back panel audio connectors that are configurable through the drivers of the audio devices: ⎯ Line in ⎯ Three Line out ⎯ Mic in or Center LFE out ⎯ Two digital Line out: • One coaxial Line out • One optical (Toslink) Line out 14