mobopreferably

I want a Mobo(preferably p35) for around 4k which suppts Linux 64-bit OS

My friend has an unlimited but 256kbps connection and he is hardly around his new system. He wants to put it to use and now wants to buy a second hand system so that he can use it download for almost 24/7.He and I after scavenging around found the lowest price for a second system around 7k. Now...