MirBSD manpage: esa(4)
ESA(4) BSD Programmer's Manual ESA(4)
esa - ESS Technology Allegro-1 / Maestro-3 family audio device driver
esa* at pci? dev ? function ?
audio* at esa?
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 in-
dependent playback and recording at sample rates between 8000Hz and
48000Hz and are capable of playback at 8 and 16 bit in mono and stereo.
ac97(4), audio(4), intro(4), maestro(4), pci(4)
The esa device driver appeared in OpenBSD 3.1.
Jared D. McNeill <jmcneill@invisible.yi.org>
Hardware volume control is not yet supported by this driver.
MirBSD #10-current April 7, 2002 1