
Intel Desktop Board DG41AN Product Guide
16
Audio Subsystem
The onboard audio subsystem consists of the following:
•
Intel
®
ICH7
•
Realtek ALC888VC audio codec
•
Back panel audio connectors (see Figure 19)
•
Front panel audio header supporting both Intel High Definition Audio and AC ’97
Audio (see Figure 18, A)
The audio subsystem supports the following features:
•
A signal-to-noise (S/N) ratio of 95 dB
•
Independent 5.1 audio playback from the back panel connectors and stereo
playback from the Intel High Definition Audio front panel header
Table 4 lists the supported functions for the front panel and back panel audio jacks.
Table 4. Audio Jack Retasking Support
Mic
Line out/
Headphone
or Speaker
Line in
Rear
Surround
Center/
Subwoofer
Front Panel Header
Green No Yes
No No
No
Pink
Yes
No
No
No
No
Back Panel Connectors
Blue No
Yes
Yes Yes
No
Green No Yes
No No
No
Pink
Yes
No
No
No
Yes
Legacy Input/Output (I/O) Controller
The Winbond 83627DHG-P legacy I/O controller provides the following functions:
•
One serial port interface via an onboard header
•
One parallel port
•
Serial IRQ interface compatible with serialized IRQ support for PCI systems
•
Intelligent power management, including a programmable wake up event interface
•
PCI power management support