Connecting Audio Devices - Dell Precision 420 User Manual

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Using the Integrated Audio Controller: Dell Precision™ WorkStation 420 Systems
User's Guide
Overview

Connecting Audio Devices

Adjusting Volume
Overview
This section describes how to connect your computer system to external audio devices that use the 32-bit integrated audio controller on your
computer's system board.
The integrated Crystal SoundFusion CS4614 Peripheral Component Interconnect (PCI) audio controller is Sound Blaster Pro-compatible and
supports Microsoft® DirectSound, DirectSound3D, and wavetable synthesis. The CS4614 controller has a Sound Retrieval System (SRS) 3D
stereo digital signal processing (DSP) engine that retrieves and restores spatial sound information, directional cues, and other sonic nuances that
are typically missing or are altered by electronic reproduction of stereo sound.
This section also describes the audio application programs that Dell has installed on your hard-disk drive, and it tells you how to reinstall audio
drivers if necessary.
NOTE: The instructions in this section apply to systems using the integrated audio controller. If you are using a sound card, use the
connection instructions in the documentation that came with your sound card.
Connecting Audio Devices
You can connect a variety of audio devices to your computer. Use Figure 1 to locate the audio connectors on the input/output (I/O) panel on the
back of your computer.
Figure 1. Audio Connectors
Before you use any audio device, be sure that
Speakers
Your computer system supports most standard speakers that have integrated amplifiers. You can purchase speakers separately from Dell.
Connect the audio cable from the speakers to the line-out jack (see
NOTES: The line-out jack has a mechanical switch that detects when external speakers are plugged in. If external speakers are plugged
in, the internal monophonic speaker is turned off. If no external speakers are plugged in, then all sound, including sounds from the
operating system, is routed to the internal monophonic speaker. If external speakers are plugged in, all sound, including the PC beep,
is routed through the line-out jack to the external speakers. Sound is never routed to the internal speaker and external speakers
simultaneously.
The Sound option in the System Setup program turns the audio controller on and off. When Sound is set to Off, sound from the
operating system does not come out of either the external speakers or the internal speaker.
The PC Speaker option in the System Setup program enables or disables the legacy PC sound. It does not turn the internal
monophonic speaker on or off. Basic input/output system (BIOS) beep codes are always audible regardless of this option's setting.
1 Microphone jack
2 Line-out jack
3 Line-in jack
Sound in the System Setup program is set to On (the default).
Figure 1).
Using Audio Utilities
Installing Audio Drivers