> LGA-775 which span support for CPUs from single core Pentium 4, to dual core Core-2-Duo, to quad core Core-2-Quad Mechanically inserting and actually running

> LGA-775 which span support for CPUs from single core Pentium 4, to dual core Core-2-Duo, to quad core Core-2-Quad Mechanically inserting and actually running is a different things.