I have an intel celeron 1.1 Pc with 815EEP2 intel Motherboard with 512 SDRAM support.I have changed one 128 MB RAM but it is not working in my PC, working in other PCs perfectly.I have checked the RAM slots and they are perfectly working.I have interchanged the RAMs between the slots still not working.Giving the SPD detected message.Pl. suggest the remedy. Thanks in advance