Gigabyte's new Beta bios of P45 could let memory overclock DDR3-2200 CL9
and DDR3-2100 CL7,a brief testings with D9GTR set.
not tweak with Tread yet, just testing the memory stability

Testing Rig:

E8400/E8500
GA-EP45T Extreme with Beta BIOS
the bios still under fixing, soon will publish to public.

DDR3-2200CL9 Super PI 8m Pass


DDR3-2100CL7 Super PI 32m Pass