I am looking for that perfect motherboard. I have a celeron d now, but want to upgrade in the future. If the motherboard I'm looking at lists supported cpus as: Intel Core 2 Duo and Core 2 Quad Can I put an older celeron d (Still LGA775) in there? Are they backward compatible like that? Thanks for shedding some light on this situation for me. PS> Finding that perfect mobo is harder than I thought.
If the motherboard doesn't STATE that it can hold Celeron processors then it won't work, even if its an LGA 775. As to the reason why? I'm not sure... maybe it has to do with power or with the northbridge and southbridge chips...
It depends on what cores are supported by the board. The chipset doesn't necessarily have something to do with blocking the CPU from running. You can find Intel 945-based motherboards out there that are built to run Core 2's, but the chipset wasn't designed to be paired with those. If it's a Celeron D, then I'd check if the board in question is supporting the Pentium D's or not. If it is, it should work. It might think you have a Pentium D, but it should work. Celerons are stripped down Pentiums based on the same core.
Thanks to all who wrote in. This is what I finally wound up doing: I scraped Intel, got a new motherboard and updated to an AMD Athlon 64 X2 6000+ and I'm very happy. Much faster.