The Hauppauge Colossus HDMI inputs can't be used. They are simply not handled by the crossbar mapping or input selection logic.

h4. Additional Information
Patch here: http://forum.team-mediaportal.com/mediaportal-1-talk-45/hauppauge-hd-pvr-colossus-support-94850/index27.html#post746981

Thanks Klairic!