Hi,
If you have also faced a problem clocking your legacy interface in the Pro Tools HD environment after version 7 has been released, take a few minutes to read the links below and join the team.

Legacy interface keeps blinking and you have to delete all your Input/output paths, disable expansion port of your master interface, set legacy to , reset port to legacy interface and redeclare interface as again.

a) http://duc.digidesign.com/showflat.php?Cat=&Number=1189979&page=0&view=collapsed&sb=5&o=7&fpart=1#1189979

b)http://duc.digidesign.com/showflat.php?Cat=&Number=1159353&page=0&view=collapsed&sb=5&o=7&fpart=1#1159353