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NAME    [Toc]    [Back]

     auich - Intel 82801AA/AB/BA/CA/DB/EB, 82440MX, and  compatibles PCI audio

SYNOPSIS    [Toc]    [Back]

     auich* at pci? dev ? function ? flags 0x0000
     audio* at auich?

DESCRIPTION    [Toc]    [Back]

     The  auich  driver provides support for the AC97-based audio
present on the
     Intel 82801AA/AB/BA/CA/DB/EB I/O controller hub
     (ICH/ICH0/ICH2/ICH3/ICH4/ICH5), 82440MX chipset,  SiS  7012,
AMD 768, AMD
     8111, NVIDIA nForce and nForce2 chips.  The auich DMA engine
     full-duplex operation and has separate channels for line input and microphone.
  Unfortunately, simultaneous recording from both line
and microphone
 inputs is not supported due to the current ac97(4) design.  Setting
     flags  to  0x0001 will compensate for machines that have reversed stereo.

SEE ALSO    [Toc]    [Back]

     ac97(4), audio(4), intro(4), pci(4)

HISTORY    [Toc]    [Back]

     The auich device driver appeared in OpenBSD 2.8.

CAVEATS    [Toc]    [Back]

     Some hardware implementations only  support  48kHz  sampling

OpenBSD      3.6                           May      30,      2000
[ Back ]
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