AD1981B

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

This sound chip is supported by the i810_audio kernel module.

Linux ALSA driver

This sound chip is supported by the snd-intel8x0 kernel module.

ThinkPad's this chip may be found in

• G40
• R40, R40e
• R50, R50e, R50p, R51, R52
• T40, T40p, T41, T41p, T42, T42p, T43, T43p
• X30, X31, X32
• X40, X41, X41 Tablet