notshy Joined Aug 12, 2010 Messages 1,575 Motherboard X58A-UD3R v2 CPU i7-930 Graphics 5770 Mac Mobile Phone Sep 30, 2011 #1 What iBoot are you using? Are you using an official snow leopard DVD?
Going Bald Moderator Joined Aug 14, 2010 Messages 22,392 Motherboard GA-X58A-UD7-F7 CPU W3670 Graphics RX 580 Mac Classic Mac Mobile Phone Oct 1, 2011 #2 Double check BIOS - make sure SATA ports are AHCI, HPET = 64 and sleep is S3