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NEO(4)			 BSD Kernel Interfaces Manual			NEO(4)

NAME
     neo — NeoMagic MagicMedia 256 audio device driver

SYNOPSIS
     neo*   at pci? dev ? function ?
     audio* at audiobus?

DESCRIPTION
     The neo driver provides support for the NeoMagic MagicMedia 256AV and
     256ZX AC'97 audio devices, found on many laptops.

     The MagicMedia 256AV also comes in a variant (usually found on Dell and
     HP laptops) that works in Windows Sound System emulation mode, not in
     AC'97 mode.  That variant of the chip must be used with the wss(4)
     driver.  The neo driver will not attach to such chips.

SEE ALSO
     ac97(4), audio(4), intro(4), midi(4), pci(4), wss(4)

HISTORY
     The neo device driver appeared in NetBSD 1.5.1.

BUGS
     The MagicMedia 256 series is not well-documented.

     No MIDI or FM synthesizer capability is provided with the MagicMedia 256
     in AC'97 mode.  While those capabilities are provided by the Windows
     driver for the chip, they are emulated by the Windows driver, and not
     directly supported by the hardware.

BSD				 June 22, 2005				   BSD

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