# the next command should give you exactly TWO errors with missing dependencies:
   # hda-greyhole and hda-platform  (if not, let us know!!)
   rpm -Uvh hdactl-4.2.12-1.x86_64.rpm hda-platform-6.2.12-1.noarch.rpm
   # this overrides the dependencies:
   rpm --nodeps -Uvh hdactl-4.2.12-1.x86_64.rpm hda-platform-6.2.12-1.noarch.rpm
 
3) Start the installer