ESA(4) - Device Drivers Manual #
ESA(4) - Device Drivers Manual
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 <jmcneill@invisible.ca>
BUGS #
Hardware volume control is not yet supported by this driver.
OpenBSD 7.5 - July 16, 2013