@DavidH: Forgot to say, my testing was with 64-bit kernel 2.6.32-23-generic, and package linux-alsa-driver-modules-2.6.32-23-generic, version 2.6.32-23.201007110500+optiplex3
@DavidH: Forgot to say, my testing was with 64-bit kernel 2.6.32-23-generic, and package linux-alsa- driver- modules- 2.6.32- 23-generic, version 2.6.32- 23.201007110500 +optiplex3