Intel D425KT - Manual (Page 15)

Desktop Board Features
15
The front/back panel audio connectors are configurable through the audio device
drivers. Table 3 lists the supported functions of the front panel and back panel jacks.
Table 3. Audio Jack Support
Audio Jack Line
In
Line/
Front Out Rear Out Microphone Headphones
Front panel – Green No Yes No No Yes
Front panel – Pink No No No Yes No
Back panel – Blue Yes No Yes No No
Back panel – Green No Yes No No Yes
Back panel – Pink No No No Yes No
Figure 2 shows the default assignment of the back panel audio connectors.
Item Description
A
Line In
B Line Out
C Mic In
Figure 2. Back Panel Audio Connectors
NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.
Legacy Input/Output (I/O) Controller
The legacy I/O controller provides the following:
• Two serial ports (one via a back panel connector and one via an onboard header)
• One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support via a back panel connector
• Serial IRQ interface compatible with serialized IRQ support for PCI systems
• PS/2-style keyboard and mouse ports
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
The BIOS Setup program provides configuration options for the legacy I/O controller.