MA770-UD3 with G.Skill 1066Mhz

hello
maybe u guys know the specs for
having MB of gigabyte MA-770-UD3 rev 2
with AMD phenom II AM3 x4 955
i can't set my memory G.Skill 8500CL5D to work in 1066Mhz
i set up the following:
1. updated the bios to the latest version FBd
2. set the following settings in the bios:
mem clock - 5.33x 1066Mhz
DCT Mode - Unganged
DRAM Voltage - 2.1v
timing - manualy 5-5-5-15

and got this:
1. while trying to load my OS it restarts while start loading the logo
2. while trying to re-install Windows: copies files and then gives me blue screen

plz guys help
it works ok for 800Mhz ofcours...