Intel Desktop Board DH61AG Technical Product Specification
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1.10 Audio Subsystem
The board supports Intel HD Audio via the Realtek ALC892 audio codec. The audio
subsystem supports the following features:
• Digital/analog stereo line-out (2-in-1 optical/analog back panel jack)
• In-chassis stereo speakers support (3 W/4 Ω via internal header)
• AV-compliant 7.1 surround (see note below) support (analog line-level via internal
header)
• Analog line-in (back panel jack)
• Signal-to-noise ratios (SNR) of 97 dB for the DACs and 90 dB for the ADCs
• Support for 44.1 kHz/48 kHz/96 kHz/192 kHz sample rates on all analog inputs
and outputs
• Secondary S/PDIF digital audio output (internal header)
• Support for 32 kHz/44.1 kHz/48 kHz/88.2 kHz/96 kHz/192 kHz sample rates at
16-bit/20-bit/24-bit resolution on SPDIF outputs
• DMIC interface (internal header), with support for mono and stereo digital
microphones
• Front panel HD Audio/AC’97 headphones/microphone support (internal header)
• Advanced jack sense for the back panel line-out jack that enables the audio codec
to recognize the connected device
• Microphone input jack that supports a single dynamic, condenser, or electret
microphone
• Windows 7 Ultimate certification
NOTE
• AA revision G23736-400 supports up to 5.1 analog surround audio.
• AA revision G23736-500 supports both 5.1 and 7.1 analog surround audio.
Table 8 lists the supported functions of the front panel and back panel audio jacks.
Table 8. Audio Jack Support
Audio Jack Microphone Headphones Line Out Line In
FP Green Jack Default
FP Pink Jack Default
Rear Green Jack Jack detect
Rear Pink Jack Default
Internal Stereo Speaker Default
Analog Surround Default