I'm having problems with my Socket T ECS mobo and the DDR2 Ram I just purchased for it. The mobo claims to be compatible with DDR2 533 but upon startup it recognizes my RAM at half its capacity. It fails to boot because when the DDR2 is in the mobo doesn't find my harddrive. After a few restarts my BIOS detects '128 mb OK' but freezes on the front screen. A few restarts later and the screen is black. This is a cheap mobo that came as part of a combo deal.