Audio Subsystem (Optional); Audio Subsystem Block Diagram - Intel D845HV Technical Product Specification

Intel Desktop Board D845HV/D845WN Technical Product Specification

1.10 Audio Subsystem (Optional)

The optional audio subsystem includes these features:
Split digital/analog architecture for improved S/N (signal-to-noise) ratio:
Power management support for ACPI 1.0 (driver dependant)
3-D stereo enhancement
Mic in pre-amp that supports dynamic, condenser, and electret microphones
The audio subsystem supports the following audio interfaces:
ATAPI-style connectors:
Telephony
Auxiliary line in
CD-ROM
Front panel audio connector, including pins for:
Line out
Mic in
Back panel audio connectors:
Line out
Line in
Mic in
The audio subsystem consists of the following devices:
Intel 82801BA I/O Controller Hub (ICH2)
Analog Devices AD1885 audio codec
Figure 7 is a block diagram of the audio subsystem.
I/O Controller Hub
For information about
Upgrading the onboard audio subsystem using a CNR audio card
The front panel audio connector
The back panel audio connectors
32
82801BA
AC '97
Link
(ICH2)
Figure 7. Audio Subsystem Block Diagram
Line In
Line Out
Mic In
AD1885
Audio Codec
Auxiliary Line In
CD-ROM
Telephony
Refer to
Section 1.12, page 35
Section 2.8.3, page 68
Section 2.8.1, page 52
85 dB
OM12276