System Features
Evo D310 Micro Desktop 33
Audio
The audio solution on the Compaq Evo D310 Micro Desktop is the Integrated Analog Devices AD1981A
AC’97 SoundMAX CODEC. The AD1981A interfaces directly with the South Bridge chip and performs all
digital operations, such as sample rate conversions and synthesis, as well as mixing and processing the
analog signals.
All models have a Line In jack, Line Out jack and Microphone In jack connector located on the rear panel.
These external jacks are standard connectors.
Analog Devices AD1981A
Feature of the AD1981A include:
•
S/PDIF output, 20 bits data format, supporting 48 kHz, 44.1 kHz and 32 kHz
•
Integrated stereo headphone amplifier
• Variable sample rate audio
• External audio power down control
• Greater than 90 dB dynamic range
•
16 bit stereo full duplex CODEC
• 20 bit resolution output DACs
•
Three analog line level stereo inputs for: line in, AUX and CD
•
Mono line level phone input
• Mono MIC input with built in programmable pre-amp
•
High quality CD input with ground sense
• Mono output for speakerphone or internal speaker
• Power management support.
Other Enhanced Features include:
• Built in digital equalizer function for optimized speaker sound
• Full duplex variable sample rates from 7040 Hz to 48 kHz with 1 Hz resolution
•
Multiple CODEC configuration options.
Line out / speaker
connector
Microphone
connector
Line in connector
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