Desktop Board Features
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
| Line | Line/ |
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Audio Jack | In | Front Out | Rear Out | Microphone | Headphones |
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Front panel – Green | No | Yes | No | No | Yes |
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Front panel – Pink | No | No | No | Yes | No |
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Back panel – Blue | Yes | No | Yes | No | No |
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Back panel – Green | No | Yes | No | No | Yes |
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Back panel – Pink | No | No | No | Yes | No |
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Figure 2 shows the default assignment of the back panel audio connectors.
Item Description
ALine In
BLine Out
CMic 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
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
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•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.
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