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 pa
nel audio header supporting both Intel High Definition Audio and AC ’97
Audio (see Figure 18, A)
The audio subsys
tem 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 pa
nel 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