Hi,
I have a ASUS P7P55-M with Core i3 530 since 3 years and all works fine.
I get a Core i7 860 for replacing my Core i3 but it doesn't work : no beep, no boot, just a black screen...
If i remove all memories (2x4GB DDR3 1333), the mainboard beep.
If i remove the ATI Radeon HD 5450, no beep...