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
independent 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 <
[email protected]>
BUGS
Hardware volume control is not yet supported by this driver.
FreeBSD 14.1-RELEASE-p8 July 16, 2013 FreeBSD 14.1-RELEASE-p8