Dunnington: Six core Xeon 7400 processor

The two-year IDF (Intel http://www.aliyun.com/zixun/aggregation/14054.html > Information Technology Summit) has always been seen as a bellwether for it. New technologies, new products and trends have often overwhelmed readers. As in last year, the IDF in 2008 still started in China (Shanghai). Currently, the Intel official website has released the spring IDF schedule. To help users better understand the IDF, we prepared a "IDF preview" series based on the theme of the IDF, introducing important product technology trends related to the server storage area.





the Dunnington six-core Xeon 7400 processor for multiple SMP servers is part of the Intel Xeon MP7000 series processor, the new product can increase the number of cores for one quad server to 24, the number of transistors is up to 1.9 billion, and TDP power may break 120W. Dunnington is also part of the intel® Caneland server platform, including the Clarksboro chipset.

    as Intel's first native six processor, the Dunnington is encapsulated by three dual core processors, each two core share 3MB two cache (total 9MB two level cache), and 16MB three cache for six core shares. The level three cache and three dual cores occupy Four corners of the processor core, while others are logical buses. Dunnington front-end bus 1066MHz, support 40bit Physical addressing and SSE4 instruction set, support virtualization Technology VT Flexmigration, compatible Tigerton Xeon 7300 series, can achieve seamless upgrade.

    Dunnington is still manufactured with the 45nm high-k process, the last Penryn processor (Core 2 architecture) before Intel fully shifts to Nehalem microarchitecture, Its introduction will further enhance the ability of the multi-channel server to expand upward, thus further impact RISC system. Dunnington is expected to be shipped in the second half of 2008.

    In this year's server processor planning, the Xeon aspect, in addition to the six core Dunnington, will also release the low-voltage version of the HARPERTOWN-LV core, The Nehalem core of the integrated memory controller and support for synchronous multithreaded technology is Tukwila in Itanium. 2009 Intel will launch the 16 thread eight core version of Nehalem.