Did you lock your PCI-E bus. Whenever so, endeavor existing it on auto and notice if it resolves your tribulations. If it does, fix it to 105 and keep going, on the other hand your PCI-E bus may limit how much you be capable to overclock. As Chim3ra said, make confirm your PCI-E bus lock. You are not out of storage bandwidth, so with the purpose of is not a tribulations. You be supposed to be competent to go to at least 266MHz, for a theoretical maximum overclock of 3990MHz at stock FSB. Your PSU give the effect of being OK. Keep Speed step facilitate.