Comment 11 for bug 1231903

do the mother board have any spdif input ?

please also check the pin assignment of the front audio panel header in the user manual

and the front audio panel of your computer chassis specification

do they both support Jack detection of the HP and Mic?

http://www.intel.com/support/motherboards/desktop/sb/cs-015851.htm

only model 6stack-automute support headphone Jack detection