Product guide for Intel Desktop Board D2550DC2

Intel Desktop Board D2550DC2 Product Guide
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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 amplified speakers or
headphones 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:
• Low pin count (LPC) interface
• 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
• Low pin count (LPC) interface