esa(4) - NetBSD Manual Pages

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ESA(4)                    NetBSD Programmer's Manual                    ESA(4)


NAME

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


SYNOPSIS

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


DESCRIPTION

     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 systems.

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


SEE ALSO

     audio(4), pci(4)


HISTORY

     The esa device driver appeared in NetBSD 1.5.3.


AUTHORS

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


BUGS

     Hardware volume control is not yet supported by this driver.

NetBSD 1.6.2                    January 6, 2002                              1