> I have a dual dual core 1950 and on it i have RHEL 4 x86_64 and i wonder > that even with HT enabled i only ever see the 4 physical CPU's and not > the 8 i see under x86_32. > > I think this is due to how a real 64bit OS handles the cores but can > anyone confirm this? i should say that these are woodcrest CPU's thanks