no - It's maxed. That was the first thing I checked too........
Meantime I was just about to post again as it's fixed:
pagege.wordpress.com/.../no-sound-on-ubuntu-10-04-and-how-to-fix-i\
t-2/
I also checked the settings in PulseAudio Preferences and ticked a few more
boxes in Users and Groups.
I don't know what it was but I haven' done any harm apparently and I have
'sound' nice!