ok well i just made a test session (no audio) on a HD setup and it seems fine.. it saves all my eq settings..
http://www.rhythminmind.net/temp/EQTest.pts
see what it does for you..
So far it works with my setups
Mac OS 10.3.X
Protools 6.9
HD
TDM EQ3
Windows XP
Protools 6.8
m-powered
RTAS EQ3