2005-03-29 Intel E8500 Server chipset made to accompany the 4-processor server (4S) chips Cranford, Potomac and later Paxville and Tulsa. Said to support PCI Express, Serial ATA and DDR-II. Also known as Twin Castle 4S.
2005-10-10 Intel Paxville Dual core server processor. Paxville is the server version of Smithfield. Uses the Twin Castle / Enabled chipsets. Will be known as the Xeon 7000 series MP.