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Chapter 6
SIGMATEL AUDIO DRIVER
Sigmatel 9721 is a general-purpose 18-bit stereo, full duplex, audio codec that
conforms to the analog component specification of AC'97.
Features
High performance 3D technology
Energy saving power down modes
18-bit full duplex stereo ADC, DACs
AC-Link protocol compliance
SigmaTel Surround (SS3D) Stereo Enhancement
Six analog line-level inputs
SNR > 95 dB through Mixer and DAC
System Requirements
This section describes system requirements for the Audio Driver installa
tion and Usage.
Computer
Operating system DOS 5.0 or higher, Windows
CD-ROM
Chipset
®
®
Intel
Pentium
II/III or Coppermine
processor or higher
®
Windows
98, Windows
®
4.0, or OS/2
Double Speed or Higher
Sigmatel 9721
6-1
®
95,
®
NT 3.51 or
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