Intel set to stop overclocking on mainstream Nehalems Page: 1
Nehalem DiesOnly high end Nehalem CPUs will overclock

Its been reported today that Intel are going to change their overclocking policy when they move away from their LGA775 platform and release their upcoming generation of Nehalem processors.
The Bloomfield Nehalem CPU, which utilizes the LGA1366 socket, will remain unrestricted. However, the lower performing Nehalems known as Lynnfield and Havendale, that use the LGA1160 socket will not support overclocking, at least not without any additional hardware tweaks.
Its not been said how Intel are going to limit these CPU's, but its quite likely
that it can be done seeing as a fair chuck of northbridge operations will actually
be integrated into the CPU itself.  Intel could tamper with the northbridge and enforce rules as to what can be accessed via the BIOS and how the bus speed is controlled.
According to Intel, the Lynnfields should be with us is Q3 2009 and they think it will prove to be one of their most popular chips for mainstream and home computing.  It will still use four cores, will sport a dual-channel DDR3 memory controller and also have an integrated PCI-E 2.0 controller.
No reason for Intel's move to strip the overclocking capabilities from the mid-range Nehalems has been given.
It seems rather strange that they would take these measures considering that Intel chips are known for their superb overclocking potential.  It could be seen that they are trying to force anyone who wants to squeeze extra performance from their CPU's to buy their more expensive chips.
Another point is that while Intel may plan on limiting their future CPU's, AMD are working to enhance the overclocking potential of their processors.  To this point there are rumours that their upcoming Denab line will be a little more giving when it comes to ringing out some extra MHz.
It's still some way off yet and Intel could still change their minds, but if they do go ahead with these limitations, then it'll be a sad day for enthusiasts everywhere.
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