F-13 beta install does not install alsa-firmware with a default install, this results in non working sound on some machines, proposing this as an F13Blocker.
http://git.fedorahosted.org/git/comps.git?p=comps.git;a=commitdiff;h=a5cfdad6c3f8c352956fe5f4e168e5982c7e02db Thanks!