PowerLeap, remember them? They come up with some very cool and wacky upgrade parts to help extend the life of your older computer. They now have this adapter that will allow you to put a socket 478 Pentium 4 on a socket 423 Pentium 4 motherboard. I would classify this upgrade part as wacky. 
http://www.powerleap.com/downloads/P4W.pdf
Related Web URL: http://www.powerleap.com/
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