CA810 Motherboard Product Guide

Audio Subsystem

The audio subsystem consists of these devices:

∙Creative Sound Blaster AudioPCI 64V digital controller

∙Crystal Semiconductor CS4297 AC ’97 stereo audio codec

∙Back panel and onboard audio connectors

Creative Sound Blaster AudioPCI 64V Audio Controller

The Creative Sound Blaster AudioPCI 64V audio controller features:

∙Interfaces to the PCI bus as a Plug and Play device

∙100% DOS legacy compatible

∙Access to main memory (through the PCI bus) for wavetable synthesis support – does not require a separate wavetable ROM device

∙PC 98 and PC 99 compliant

∙Optional Sony/Phillips digital interface format (S/P-DIF)

Crystal Semiconductor CS4297 Stereo Audio Codec

The Crystal Semiconductor CS4297 stereo audio codec features:

∙High performance 18-bit stereo full-duplex audio codec with up to 48 kHz sampling rate

∙Connects to the Sound Blaster AudioPCI 64V using a five-wire digital interface

Audio Connectors

The audio connectors include the following:

∙CD-ROM (legacy-style 2 mm connectors)

∙ATAPI-style connectors

⎯CD-ROM audio

⎯Auxiliary line in

⎯Telephony (optional)

⎯Video line in (optional)

∙Back panel connectors

⎯Line out

⎯Line in

⎯Mic in

⎯MIDI/Game Port

✏NOTE

The line out connector, located on the back panel, is designed to power either headphones or amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to this output.

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