Difference between revisions of "AD1981B"
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==== Note ==== | ==== Note ==== | ||
| − | On some models ({{T40}}, {{T43p}}, ... {{R51e}} ...) 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. | + | On some models ({{T40}}, {{T43p}}, ... {{R51e}} ...) 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}}, {{X40}}). By default the Sense settings are not shown in GNOME. |
=== FreeBSD OSS driver === | === FreeBSD OSS driver === | ||
Revision as of 09:50, 28 April 2007
AD1981BThis is a Analog Devices AC'97 Audio controller Note: The documentation of the R40 incorrectly(?) states it has a AD1891A Features
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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. This driver provides enhanced power saving capabilities.
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, ... R51e ...) 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, X40). 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
- G40
- R40, R40e
- R50, R50e, R50p, R51, R51e, R52
- T40, T40p, T41, T41p, T42, T42p, T43, T43p
- X30, X31, X32
- X40, X41, X41 Tablet
