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ESA(4)		       FreeBSD Kernel Interfaces Manual			ESA(4)

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

SYNOPSIS
     esa*   at pci?
     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
     ac97(4), audio(4),	intro(4), maestro(4), pci(4)

HISTORY
     The esa device driver appeared in OpenBSD 3.1.

AUTHORS
     Jared D. McNeill <jmcneill@invisible.ca>

BUGS
     Hardware volume control is	not yet	supported by this driver.

FreeBSD	13.0			 July 16, 2013			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | AUTHORS | BUGS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=esa&sektion=4&manpath=OpenBSD+6.9>

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