esm(4) - NetBSD Manual Pages

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ESM(4)                    NetBSD Programmer's Manual                    ESM(4)

esm - ESS Technology Maestro 2/2E PCI Audio Accelerator audio device
esm* at pci? dev ? function ? audio* at esm?
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.
Currently, this driver does not support recording, hardware volume set- tings, MIDI, or joystick input.
audio(4), mpu(4), joy(4), pci(4)
The esm device driver appeared in NetBSD 1.5.1. NetBSD 1.5.1 January 8, 2001 1
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