Product Description

1.10 Audio Subsystem

The Audio Codec ’97 (AC ’97) compatible audio subsystem includes these features:

∙Split digital/analog architecture for improved signal-to-noise ratio (≥ 85 dB) measured at line out, from any analog input, including line in, and CD-ROM

∙3-D stereo enhancement

∙Power management support for ACPI 1.0a

The audio subsystem consists of these devices: ∙ Creative Sound Blaster AudioPCI 128V

∙ Crystal Semiconductor CS4297A stereo audio codec ∙ Audio connectors

For information about

Refer to

Obtaining audio software and utilities

Section 1.2, page 13

 

 

1.10.1Creative Sound Blaster AudioPCI 128V

The Creative Sound Blaster AudioPCI 128V features:

∙Creative ES1373D digital audio controller

∙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

∙Conforms to the PC 98 and PC 99 design guides

For information about

Refer to

Creative Sound Blaster AudioPCI 128V

http://www.soundblaster.com

 

 

1.10.2Creative ES1373D Digital Audio Controller

The Creative ES1373D digital audio controller’s features include:

∙PCI 2.1 compliant

∙PCI bus master for PCI audio

∙128-voice wavetable synthesizer

∙Aureal A3D† API, Sound Blaster Pro†, Roland MPU-401 MIDI, joystick compatible

∙Ensoniq 3D positional audio and Microsoft DirectSound† 3D support

1.10.3Crystal Semiconductor CS4297A Analog Codec

The Crystal Semiconductor CS4297A is a fully AC ’97 compliant codec. The codec's features include:

∙18-bit stereo full-duplex operation

∙Up to 48 kHz sampling rate

∙Connects to ES1373D digital controller using a five-wire digital interface

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