Intel Desktop Board D955XBK Product Guide
14
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 32 in Chapter 2
Intel
®
955X Express Chipset
The Intel 955X Express Chipset consists of the following devices:
• Intel 82955X Memory Controller Hub (MCH) with Direct Media Interface
• Intel 82801GR I/O Controller Hub (ICH7R)
Related Link
Go to the following link for more information about the Intel 955X Express Chipset:
http://developer.intel.com/design/nav/pcserver.htm
Audio Subsystem
The desktop board D955XBK 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 82801GR I/O Controller Hub (ICH7R)
• 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