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 <firstname.lastname@example.org>
Hardware volume control is not yet supported by this driver. MirOS BSD #10-current April 7, 2002 1
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