Intel D845EPT2 D845EPT2_D845EBG2_TechProdSpec. - Page 30

Audio Subsystem Optional - audio drivers

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Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification 1.10 Audio Subsystem (Optional) The audio subsystem consists of the following devices: • Intel 82801DB I/O Controller Hub (ICH4) • Analog Devices AD1981A audio codec (optional) The audio subsystem includes these features: • Split digital/analog architecture for improved S/N (signal-to-noise) ratio: ≥ 85 dB • Power management support for ACPI 2.0 (driver dependant) • Mic in pre-amp that supports dynamic, condenser, and electret microphones The audio subsystem supports the following audio interfaces: • ATAPI-style connectors:  Auxiliary line in  CD-ROM • Front panel audio connector, including pins for:  Line out  Mic in • Back panel audio connectors (optional):  Line out  Line in  Mic in Figure 6 is a block diagram of the audio subsystem. 82801DB I/O Controller Hub (ICH4) AC '97 Link AD1981A Audio Codec Line In Line Out Mic In Auxiliary Line In CD-ROM Figure 6. Audio Subsystem Block Diagram OM14261 For information about Upgrading the onboard audio subsystem using a CNR audio card The front panel audio connector The optional back panel audio connectors Refer to Section 1.12, page 33 Section 2.8.3, page 70 Section 2.8.1, page 54 30

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Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification
30
1.10 Audio Subsystem (Optional)
The audio subsystem consists of the following devices:
•
Intel 82801DB I/O Controller Hub (ICH4)
•
Analog Devices AD1981A audio codec (optional)
The audio subsystem includes these features:
•
Split digital/analog architecture for improved S/N (signal-to-noise) ratio:
≥
85 dB
•
Power management support for ACPI 2.0 (driver dependant)
•
Mic in pre-amp that supports dynamic, condenser, and electret microphones
The audio subsystem supports the following audio interfaces:
•
ATAPI-style connectors:
Auxiliary line in
CD-ROM
•
Front panel audio connector, including pins for:
Line out
Mic in
•
Back panel audio connectors (optional):
Line out
Line in
Mic in
Figure 6 is a block diagram of the audio subsystem.
82801DB
I/O Controller Hub
(ICH4)
OM14261
AC
’
97
Link
AD1981A
Audio Codec
Auxiliary Line In
Mic In
Line Out
CD-ROM
Line In
Figure 6.
Audio Subsystem Block Diagram
For information about
Refer to
Upgrading the onboard audio subsystem using a CNR audio card
Section 1.12, page 33
The front panel audio connector
Section 2.8.3, page 70
The optional back panel audio connectors
Section 2.8.1, page 54