ESA(4) OpenBSD Programmer's Manual ESA(4)NAMEesa - 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 ALSOac97(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 4.9 May 31, 2007 OpenBSD 4.9