ESM(4) NetBSD Programmer's Manual ESM(4)
NAME
esm - ESS Technology Maestro 2/2E PCI Audio Accelerator audio device
SYNOPSIS
esm* at pci? dev ? function ? audio* at esm?
DESCRIPTION
The esm device driver supports sound cards based on ESS Technology Mae- stro, Maestro-2, and Maestro-2E PCI AC97 Audio Accelerator chips (ES1968 and ES1978). Due to their power management capabilities, the Maestro chips are often used in laptop and notebook systems. The Maestro is a full-duplex device that allows independent playback and recording at sample rates between 4000 Hz and 48 kHz. The sound proces- sor is capable of handling and converting 8 and 16 bit mono and stereo data.
SEE ALSO
audio(4), joy(4), mpu(4), pci(4)
HISTORY
The esm device driver appeared in NetBSD 1.6.
BUGS
Currently, this driver does not support recording, hardware volume set- tings, MIDI, and joystick input. NetBSD 1.6.1 January 8, 2001 1
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