Intel D815EEA2 User Manual

Product Description
43
1.11 Audio Subsystem
The D815EEA2 and D815EPEA2 boards both include an Audio Codec ’97 (AC ’97) compatible
audio subsystem consisting of these devices:
• Intel 82801BA I/O Controller Hub (ICH2)
• Analog Devices AD1885 analog codec
1.11.1 AD1885 Audio Codec
The AD1885 is a fully AC ’97 compliant codec. The codec’s features include:
• > 90 dB signal-to-noise ratio sound quality
• Power management support for APM 1.2 and ACPI 1.0 (driver dependant)
• Playback sample rates up to 48 kHz
• 16 bit stereo full-duplex codec
• Software compatible with Windows 98 SE, Windows 2000, Windows NT 4.0, and
Windows Millennium (Me)
• Full-duplex operation at asynchronous hardware record/playback samples rates
• Frequency response: 20 Hz to 20 kHz (± 0.1 dB)
Figure 9 is a block diagram of the D815EEA2 and D815EPEA2 boards’ audio subsystem, including
the Intel 82801BA ICH2 digital controller, the AD1885 analog codec, and the audio connectors.
82801BA
I/O Controller Hub
(ICH2)
OM11888
AC ’97 Link
CD-ROM
Line In
Audio In
Mic In
Front Panel Audio (optional)
Line Out
Analog Devices
AD1885
Analog Codec
Figure 9. Block Diagram of Audio Subsystem
For information about Refer to
Obtaining the AC ’97 specification Table 4, page 19
1.11.2 Audio Connectors
The audio connectors include the following:
• Front panel audio (optional):
 Mic in
 Line out
• ATAPI-style connectors:
 CD-ROM
 Auxiliary line in

Intel D815EEA2 Specifications

General

Brand	Intel
Model	D815EEA2
Category	Motherboard
Language	English