Using GA55A-UD3, i5-750, Corsair XMS3 4GB DDR3 1600 memory and a 550W power supply with EVGA 9600 GSO video card. No overclocking.
In all my years of building computers I never have had as much problems as I have with a Gigabyte P55A-UD3 and i5-750. Using a OCZ550W PS and Corsair XMS3 4GB 2x2GB DDR3-1600 memory.
When I was installing Windows7 Home Prem x64 it bsod several occassions with a stop error 124 and then other installs no problems. The latest was when Windows completed the install and before I managed to install any of the video card drivers (EVGA 9600GSO) nor motherboard drivers. Flashed the Bios of the MB to F4 initially in the hopes that it would fix the problem but it has not.
Removing one stick of memory still results in BSOD stop 124 when I attempt to install the mb drivers.
Edit/Delete Message
Turning off AHCI amd instead ATA in BIOS results in the same problem. Using stock CPU and memory settings for speed and voltage.