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i925X Alderwood chipset to take advantage of IA32e 64-bit processors?

Posted on Thursday, February 19 2004 @ 23:33:40 CET by

With the introduction of IA32e processors from Intel for the uni-processor servers in mid 2004 these systems will be able to access more than 4GB of memory.
Intel said that it positions its Pentium 4 E processors with 64-bit extension technology for uni-processor servers targeted for mid-2004 launch. Intel does not indicated availability of performance mainstream and mainstream desktop Intel Pentium 4 E processors with enhanced functionality this year. Keeping in mind that all Pentium 4 E processors have the same core with the same functionality inside, 64-bit support is probably a question of marketing and positioning, certainly not something that lies in technology.

As stated by people familiar with Intel’s roadmap, the company’s high-end Pentium 4 E processors targeted for mid-year launch utilize LGA775 packaging and function at 3.60GHz speeds. For UP workstations – the machines where 64-bit extension technology will be available according to Intel – the Santa Clara, California-based firm positions i925X chipset and LGA775 Intel Pentium 4 processors. This fundamentally means that i925X has a new memory controller and certain other tweaks to take advantage of the IA32e.

In fact, Intel’s high-end chipsets for expensive desktops and workstations, such as i850E and i875P, usually contain some undeclared features. For instance, i850E supported the Hyper-Threading technology earlier than others, whereas, i875P is in fact a chipset capable of working with 2 CPUs. Evidently, their mainstream counterparts, such as i865PE, does not boast with the same kinds of functionality.
It is not clear if the i915 Grantsdale chipsets will be able to take advantage of the IA32e feature like the more expensive i925X Alderwood will probably do.

Source: X-bit Labs



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