Difference between revisions of "AD1981B"

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m (Features)
m (Note)
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==== Note ====
 
==== Note ====
On some models ({{T40}}, {{T43p}}, ...) audio is muted if either Headphone or Line Jack are unmuted. See also ALSA Wiki FAQ [http://alsa.opensrc.org/FAQ004]
+
On some models ({{T40}}, {{T43p}}, ...) audio is muted if either Headphone or Line Jack are unmuted. See also ALSA Wiki FAQ [http://alsa.opensrc.org/FAQ004]. Also, if Headphone Sense or Line Jack Sense are unmuted audio is dead ({{R52}}). By default the Sense settings are not shown in GNOME.
  
 
=== FreeBSD OSS driver ===
 
=== FreeBSD OSS driver ===

Revision as of 13:09, 17 April 2006

AD1981B

This is a Analog Devices AC'97 Audio controller

Note: The documentation of the R40 incorrectly(?) states it has a AD1891A

Features

  • Chipset: AD1981B
  • Interface: AC'97

Linux OSS driver

On systems where lspci shows an Intel AC'97 Audio Controller, this chip is supported by the i810_audio kernel module.

Linux ALSA driver

On systems where lspci shows an Intel AC'97 Audio Controller, this chip is supported by the snd-intel8x0 kernel module.

On systems where lspci shows an ATI AC'97 Audio Controller (R40e and R51e), this chip is supported by the snd-atiixp kernel module.

Note

On some models (T40, T43p, ...) audio is muted if either Headphone or Line Jack are unmuted. See also ALSA Wiki FAQ [1]. Also, if Headphone Sense or Line Jack Sense are unmuted audio is dead (R52). By default the Sense settings are not shown in GNOME.

FreeBSD OSS driver

snd_ich will work happily for this audio chip.

ThinkPads this chip may be found in