Audio Subsystem
Desktop Board D865PERL includes one of the following:
• 6-channel audio subsystem based on the Analog Devices AD1985 codec
• Flexible 6-channel audio subsystem based on the Analog Devices AD1985 codec
Both audio subsystems feature:
• Advanced jack sense with Auto Topology Switching that enables the audio codec to recognize
what device is connected to an audio port and alerts the user if the wrong type of device has
been connected
• Split digital/analog architecture for improved S/N (signal-to-noise) ratio: > 94 dB
• Power management support for ACPI 2.0 (driver dependent)
6-Channel Audio Subsystem (Optional)
The audio subsystem includes the following:
• Intel 82801ER I/O Controller Hub (ICH5R)
• Analog Devices AD1985 audio codec
• Microphone input that supports either of the following:
A single dynamic, condenser, or electret microphone
Dual microphones for use with voice recognition software
The subsystem includes the following connectors.
• Front panel analog audio connector that can be used as a connector for routing the following
signals to the front panel or used as a jumper block for routing the signals to the back panel.
The connector/jumper block includes pins for:
Front left and right out
Mic in
• Back panel analog audio connectors:
Front left and right out
Center / Low Frequency Effects (LFE) out
Rear left and right out
Line in
Mic in
Desktop Board Features
19
Refer to Figure 15 for the location of the
• back panel coaxial S/PDIF (RCA) connector
• back panel optical S/PDIF (Toslink) connector
NOTE
Powered speakers are required.
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 51 in Chapter 2
• the location of audio connectors, page 99 in Chapter 5
Flexible 6-Channel Audio with Jack Sensing (Optional)
The Flex 6 audio subsystem includes the following:
• Intel 82801EB I/O Controller Hub (ICH5)
• Analog Devices AD1985 audio codec
• Microphone input that supports a single dynamic, condenser, or electret microphone
The subsystem has the following connectors:
• ATAPI-style CD-ROM connector
• Front panel audio connector, including pins for:
Line out
Mic in
• Back panel audio connectors that are configurable through the audio devices drivers.
Line in or Rear left/right out
Line out or Front left/right out or S/PDIF line out (see Note)
Mic in or Center LFE out
NOTE
A 1/8-inch stereo