Datasheet
Desktop Board Features
17
Intel
®
925X Express Chipset
The Intel 925X Express Chipset consists of the following devices:
• Intel 82925X Memory Controller Hub (MCH) with Direct Media Interface
• Intel 82801FR I/O Controller Hub (ICH6-R)
Related Link
Go to the following link for more information about the Intel 925X Express Chipset:
http://developer.intel.com/design/nav/pcserver.htm
Audio Subsystem
Desktop Board D925XCV/D925XBC includes a flexible 7.1-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 82801FR I/O Controller Hub (ICH6-R)
• Realtek Semiconductor Corporation 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
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 47 in Chapter 2
• The location of back panel audio connectors, page 56 in Chapter 2










