HP Vectra VEi7 Technical Reference Manual page 32

Crystal Integrated PCI Audio
CS4280 PCI Audio
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Interface Features
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CS4297 Audio Codec
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'97 Features
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Core Components and Technologies
PCI Version 2.1 Bus Master
®
Windows 95, Windows 98, Windows NT 4.0, Windows NT 5.0
(WDM) Drivers
PC'97 and PC'98 Compliance
MPU-401 interface, FM synthesizer, and Game Port
Full duplex operation
Advanced Power Management (PPMI)
AC'97 1.03 compatibility
Sophisticated mixed signal technology
18-bit stereo full-duplex Codec with fixed 48kHz sampling rate
High quality differential CD input
Mono microphone input
Two analog line-level stereo inputs for LINE IN and CD (or VIDEO)
connection
Single stereo line level output
Extensive power management support
Meets Microsoft's PC'97 and PC'98 audio performance requirements