http://bugs.winehq.org/show_bug.cgi?id=10742
--- Comment #13 from Lei Zhang thestig@google.com 2008-03-15 19:46:30 --- Might be good to check against the list and figure out what you have:
http://en.wikipedia.org/wiki/List_of_AMD_Sempron_microprocessors
processor names are a horrible mess. :-\