Hi there I have a problem to installs 4 sticks of RAM on GA-P43-ES3G At this time only 1 sticks can work fine without a problem. when I tried to installs 2 sticks in 1 & 2 channel I get blue screen after while, but before that I running "Windows Memory Diagnostic" and there was no error has been detected . Also, when I tried to installs 4 sticks sometimes there was no video output, and other time crashed a lot Did I need to update BIOS? or could be a software that makes all this troubles? Mb CPU-Z RAM CPU-Z E7600 GA-P43-ES3G (rev. 1.0) 4 X 1GB DDR2 PC-6400 KVR800D2N6/1G-SP 9600GT 512MB HEC 550watt thanks you very much.