For reasons I would not reveal, my old reliable ASUS P4C800 Deluxe Mother Board just bit the dust.I am presently trying to decide just how big a bullet to bite. (i.e. Just replace the board, replace the board with a new processor, replace the board with a new Video Card, Replace the card and retainmy 400 memory, Replace everything etc. etc. Just trying to evaluate all options.What I am confused about are the specs. on boards with LGA775 Sockets.There seem to be all kinds of variations as to what CPU types are acceptable for these boards. I was under the impression that the socket delegated what was allowed and that there was a pretty narrow limitation. I get the impression that there is a much broader overlap as to what is acceptable than that.The following are not necessarily boards I am considering purchasing, but are examples of what I am talking about. All implement "Socket T (LGA 775)"For example, an ASUS P5LD2 board accepts CPU types "Pentium D/Pentium 4 HT/Celeron D.Other boards spec "CPU type: Pentium 4 Prescott/Celeron"Some specifiy accepting "CPU type: Quad-core/Core 2 Extrene?kCore 2 Duo/Pentium" (Does this mean all Pentium Processors?)What I am curious about, is with a board that I can upgrade to Core 2 Duo, might that board also accept my Pentium 4 3.2GB Processor for the time being until I receive a new Core 2 Duo Processor? Sure would appreciate a little clarification.Respectfully:RTH

Your CPU is a socket 478 and was compatible with the P4C800 motherboard. It will not work with motherboards that have an LGA775 socket such as those you've described. Intel LGA775 CPU's have no pins on the underside of the CPU and require a motherboard with an LGA775 socket.This link gives you a comparison of supported motherboards for Intel processors. Sort the list by choosing an appropriate processor: http://indigo.intel.com/mbsg/ Regards, Jim Karn

Thanks loads Jim:Specs. are sometimes a bit confusing. I really did not realize that "Pentium Processors" were manufactured in multiple socket configurations.The link was just what I needed!Respectfully:RTH