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Intel Pentium 4 2.53GHz
By CPU-zilla
Category : CPU
Published by Jimmy Tang on Thursday, 9th May, 2002

The New Intel 850E Chipset

Along with the announcement of new 533MHz FSB processors, Intel also introduced a souped up version of the Intel 850 chipset. Known as the 850E chipset, the new 850E will support CPUs at front side bus speeds of either 400MHz or 533MHz. Other features remain the same, and from the original Intel Desktop board sent to us for review, it is paired with the older ICH2 southbridge. However, some motherboard manufacturers have indicated to us that they are redesigning their boards to support the newer ICH4 southbridge.

Moving from 400MHz FSB to 533MHz FSB was pretty simple for Intel. The previous 850 chipset already had the ability to hit 533MHz FSB easily as proven by overclockable boards such as the ABIT TH7II-RAID. So, it wasn't really a difficult thing for Intel to achieve.

The older Intel 82850 MCH.

The new 82850E MCH. Same packaging and similar die size.

Officially, the new 850E chipset will only support PC800 RDRAM. One would have expected the memory bandwidth to scale along with the front side bus but it seems that Intel was not ready to use PC1066 RDRAM yet. Although RAMBUS have been promoting its new PC1066 RDRAM, Intel is always known to be a little more conservative when it comes to introducing support for new memory (remember how long it took Intel to come out with DDR support?). Well, being conservative is good since we can always rely on its reliability and stability.

However, for those who dares to take the risk, they can always go for the best and get themselves some PC1066 RDRAM. Although they are not officially available yet, most motherboards shipping today would have built-in support for these new memory types. If you absolutely want to try running PC1066 today, most PC800 Samsung RDRAM would allow you to overclock them to 1066MHz. Obviously, with Intel's new 850E board (D850EMV2), you will not be able to do that at all. Since PC1066 RDRAM is not officially supported, overclock at your own risk and we don't advise that you use it for mission critical work.

The Intel D850EMV2 desktop board based on the new Intel 850E chipset.

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