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
Check Out this Related Man Page
OPL(4) BSD Kernel Interfaces Manual OPL(4)NAME
opl -- Yamaha OPL2 and OPL3 FM MIDI synthesizer driver
SYNOPSIS
opl* at cmpci? flags 1
opl* at eso?
opl* at ess?
opl* at fms?
opl0 at isa? port 0x388
opl* at sb?
opl* at sv?
opl* at wss?
opl* at yds?
opl* at ym?
midi* at opl?
DESCRIPTION
The opl driver provides support for the Yamaha OPL2 (YM3812) and OPL3 (YMF262) chips. The chips are FM synthesizers and are capable of pro-
ducing a wide range of sounds.
Access to the device is through the MIDI driver.
The opl driver usually attaches to a sound card, but it can also sit directly on the ISA bus.
If ``flags 1'' is specified, the opl driver handles left and right channels of OPL3 swapped. Use this flag if your device has such problem.
SEE ALSO cmpci(4), eso(4), ess(4), fms(4), isa(4), midi(4), sb(4), sv(4), wss(4), yds(4), ym(4)HISTORY
The opl device driver appeared in NetBSD 1.4.
BUGS
The OPL3 chip is operated in OPL2 mode despite being more capable.
BSD January 3, 2009 BSD
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