VIA CPUs
From Vogons Wiki
VIA Cyrix III/VIA C3
The VIA Cyrix III (later called the VIA C3) is a Socket 370 compatible processor. The biggest difference between Pentium 3 and C3 is that C3 runs a lot cooler then Pentium 3, but also performs significantly poorer (even poorer then the Celeron). Several die revisions were made and figuring out what exact CPU one has in hand is a task in itself.
VIA has a list of compatible motherboards on their website, though it doesn't list which cores are compatible with what motherboard.
