I changed priorites now it boots is hard wait full MOS3.7,better Radeon and someday more memory at least. But now i dont know way get 1.4.5 and 3.7 way i can select what i use becouseseems two somekidn bootable partitons is impossible but if someone really makes me trust i dont need 1.4.5 anymore then i have 3.7 i mean all worksfine then no problem.