I have the same mobo as you guys asus M3A78-EM,9950 phenom x4,4gb G-skill,no graphics card yet, coming soon, and in a used case and power supply Please I have put osx in many dell mini 9's, but this is my first time putting in a real motherboard. I have the newest bios out 1806 i think but is it true that i have to back flash to 0701 or are you guys doing it with other bios. I have used ideneb 10.5.6 chose all the right kexts still i fet a circle with a line through it when it tries to boot please I am going too downloAD THE 10.5.5 until then can someone help me my email is [email protected] thanks tom