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NAME    [Toc]    [Back]

     esa - ESS Technology Allegro-1 / Maestro-3 family audio  device driver

SYNOPSIS    [Toc]    [Back]

     esa*   at pci? dev ? function ?
     audio* at esa?

DESCRIPTION    [Toc]    [Back]

     The  esa  driver  provides support for the ESS Allegro-1 and
Maestro-3 audio
     devices on the PCI bus.  These devices are popular in laptop

     The Allegro-1 and the Maestro-3 are full-duplex devices that
allow independent
 playback  and  recording  at  sample  rates  between
8000Hz and 48000Hz
     and  are  capable  of  playback  at 8 and 16 bit in mono and

SEE ALSO    [Toc]    [Back]

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

HISTORY    [Toc]    [Back]

     The esa device driver appeared in OpenBSD 3.1.

AUTHORS    [Toc]    [Back]

     Jared D. McNeill <jmcneill@invisible.yi.org>

BUGS    [Toc]    [Back]

     Hardware volume control is not yet supported by this driver.

OpenBSD      3.6                           April      7,     2002
[ Back ]
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