Premio Computer Apollo/Shadowhawk - Manual (Page 55)

Intel Desktop Board D845HV/D845WN Technical Product Specification
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1.10 Audio Subsystem (Optional)
The optional audio subsystem includes these features:
• Split digital/analog architecture for improved S/N (signal-to-noise) ratio: ≥ 85 dB
• 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.
82801BA
I/O Controller Hub
(ICH2)
OM12276
AC ’97
Link
AD1885
Audio Codec
Auxiliary Line In
Mic In
Line Out
CD-ROM
Line In
Telephony
Figure 7. Audio Subsystem Block Diagram
For information about Refer to
Upgrading the onboard audio subsystem using a CNR audio card Section 1.12, page 35
The front panel audio connector Section 2.8.3, page 70
The back panel audio connectors Section 2.8.1, page 54