"The EPoX EP-4T2A3 enables users to both maximize their new Pentium 4 processor's performance with RDRAM and to take advantage of the expandability offered by the Socket 478 platform by utilizing the i850 chipset--a seldomly-seen combination."
FULL STORY @ ONEPC (http://www.onepc.net/index.php?view=docs&doc_id=99)