CS4299

CS4299 This is a Cirrus Logic AC'97 Audio controller This chip is sometimes incorrectly called CS4229 in IBM documentation Features Chipset: CS4299 Interface: AC'97 2.1

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.

Dmixing

Please note that dmixing will make alsa (as userland program) do the work esd or arts did to get the same effects, dmixing will load your CPU.

Just add the following to /etc/asound.conf :

  pcm.dsp0 {
      type plug
      slave.pcm dmix
  }
  # mixer0 can stay unchanged, because
  # it isn't used anyway, I guess ;)
  ctl.mixer0 {
      type hw
      card 0
  }

ThinkPad's this chip may be found in

• A21e, A22e
• A30, A30p
• T23
• X22, X23, X24
• i Series 1200, i Series 1210, i Series 1230, i Series 1250, i Series 1260
• i Series 1300, i Series 1330, i Series 1370