im using 1.5b1 and i had strange problems with unlocking i randomly get the cpu on 3 cores affter reboots and have to change from acc auto to per core or all cores and it has to be different than the previous that went back to 3 cores. i also had a problem with unlocking were when 1st unlocking i have to have the multi set to 10x or something low then it unlocks and i can use proper settings