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     LGA1155 and LGA2011 for Intel
      Posted on 17/04/2010 at 23:39 by Marc
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    VR-Zone has managed to obtain some info on the next generation Intel platforms designed for Sandy Bridge and planned for end 2010 / start 2011. This information should of course be taken with a pinch of salt but does nevertheless seem credible. Intel is reported then to be continuing with two distinct platforms as is the case currently with LGA1156 and LGA1366.

    For the mid-range, the LGA1156 will be replaced by LGA1155. Designed for 2 and 4 core forthcoming Sandy Bridge versions, this Socket will be supported by P67 and H67 chipsets which will replace the current P55s and H55s. P67 chipsets will not support the IGP built onto Sandy Bridge but will will enable the use of its PCI-Express controller at 1x16 or 2x8 for SLI/CrossFire configurations, while the H67 will support the IGP but be limited to 1x16. In terms of functionality, SATA 6 Gbit/s will be available on 2 of the 6 SATAs supported by the chipset but USB 3 is unfortunately not on the agenda. The PCI will no longer be integrated in these chipsets.

    At the high end is the LGA2011 platform (!) designed for Sandy Bridge-Es. These processors are supposed to be coming out in 4 and 6 core versions and there is reported to be a 15 MB cache in this last version (12 MB of L3 and 6x512 KB of L2, against 6x256 KB currently). For memory, DDR3-1600 is to be supported on 4 channels, which in part explains the increase in the number of contact points. There are to be 40 PCI-Express 3.0 lanes on this platform, against 36 2.0 lanes on the X58 platorm.

    In a big change, the PCI-Express is said to be supported directly by the CPU, as is already the case with LGA1156, and not by the chipset. The complete integration of the northbridge sounds the death nell for IOH and QPI and there will therefore only be a PCH linked to the Sandy Bridge-E via a DMI bus at 2 GB/s and a PCI-E 3.0 x4 bus at 4 GB/s. This new PCH still won’t however support USB 3, but it will support 6 SATAs in AHCI of which 2 SATA 6 Gbit/s, as well as 8 other SATA3/SAS ports.

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