But Xeniczone, you are a moron.
AMD does make the Athlon 3000+ in a 939 socket. If you don't know shit about PC hardware, please, STFU.
Lead's bus is 400MHz, sure, I believe him, but there's no getting around the 2T limit. Unless he's switched out the memory controller, you're accessing the RAM at 400 speeds, but that RAM will only run at 2T. That's why people avoid 256MB sticks. Just get some Corsair Value, it's only eighty dollars, and this thread is off topic enough.