I've recently bought SilverStone Sugo SG10 micro ATX case. It has 2 USB ports on front panel which has strange internal connector which doesn't seems to match to any connectors on my Inel DG43K motherboard. This connector looks like "dual" USB internal USB connectors paired together with one "blocked" pin hole. It doesn't match any motherboard connectors. Any idea how I can connect my front USB ports for this particular case?