2004-06-28 Intel E7520 / E7320 Xeon chipset supporting the 800 MHz front side bus made to support Nocona. Supports PCI Express, Serial ATA and DDR-II. The E7520 was previously known as E7710 and Lindenhurst while the slightly cheaper E7320 has been known as E7510 and Lindenhurst-VS.
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.