asus p8h77-m pro

ASUS P8 H77-M Pro - Motherboard i7 3770K Intel - Proccessor 8GB DDR3 RAM x 4 (i cant take three out but that puts me at 8GB still) PNY Nividia 210 (Terrible video card) I am using the iBoot + MultiBeast method I have a retail DVD of Snow Leopard I can't get past the chimera boot screen it show...