2004-06-21 Intel ICH6 South bridge including four PCI Express x1 ports, and eight USB 2.0 ports. The ICH6-R (+$3) will support four S-ATA ports, while the normal ICH6 only includes two. There will also be ICH6-W (+$5) and -RW (+$7) versions with wireless capabilities and a ICH6-M for Mobile systems. Uses the new DMI (Direct Media Interface) to connect to the North Bridges.
2004-06-28 Intel Nocona Xeon DP variety of Prescott made with the 90 nm process. Uses the Tumwater and Lindenhurst chipsets with a 800 MHz bus. Includes HyperThreading, SSE3 and the 64-bit EM64T (earlier CT, Yamhill, AMD64) Technology.