does any body know what motherboard they use in the mac pro or one that has got the same specs

Here is a quick search:

http://www.google.com/search?sourcei...ro+motherboard

This is said to be close:

http://www.hardmac.com/news/2007-04-27/

they where a bit of help but that motherboard is one that i have looked at and it is only compatible with 2xdual core cpu and i want to use 2xquad core cpu