PalmSource Chairman Eric Benhamou <A HREF="http://zdnet.com.com/2100-1104_2-5308853.html?tag=zdnn.alert">will step down</A> after the annual meeting of stockholders in October, the company said Friday. Benhamou, who has been serving on the boards of both companies since the spinoff of PalmSource from Palm last October, will continue as chairman for PalmOne.