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Message: <blockquote data-quote="zCexVe" data-source="post: 2923678" data-attributes="member: 3878">Intel's upcoming Nehalem architecture brings in a host of changes. One of the most important of them is that the processors now carry memory controllers. From what is known so far, the upcoming Nehalem processors come with official support for DDR3 800 MHz and DDR3 1066 MHz though talk is that it just could slip in DDR3 1333 MHz support on an official scale. Here's a complication: Some of the computer enthusiasts with plans of retaining their current DDR3 1800/2000/beyond may have severe problems running the memory at their rated frequencies on a Nehalem chip. They might not work on their rated frequencies at all. The reason behind this is that Nehalem has processor and memory voltages synchronized. Fresh studies suggest that a voltage of 2.0 V can fry a Nehalem processor. It was earlier noted that this voltage limit was 1.60 V to 1.70 V. It would need extreme caution for you to set the core to run at even 1.8 V since at that voltage the processor could start degrading and finally cease to work. The conclusion is that the Nehalem platform, with its synchronized CPU and memory voltages, will be limited by the DDR3 modules ability to reach high frequencies at lower voltages. This could have implications on the kind of memory kits that come out in the near future. Manufacturers could offer high-end kits that function well within 1.6 V with the supposedly high frequencies albeit loose timings, just to keep the memory and processor operating safely.</blockquote>

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