P4 C/P4 E...what do these letters mean? - Techist - Tech Forum

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Old 01-10-2005, 07:00 PM   #1 (permalink)
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Default P4 C/P4 E...what do these letters mean?

I see all these P4 chips with different letters after the speed like 3.0e or 3.0c what do these stand for?

MB - Abit IS7-E2G; CPU - P4 3.0e Prescott now at 3.5 with Cooler Master HYPER 6; Ram - 1024 Xerox pc3700 pushed to the max
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Old 01-10-2005, 07:21 PM   #2 (permalink)
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This is a possibility...

Some PentiumĀ® III processors have the same core speed in MHz, but operate on different system bus speed. For Pentium III processors operating at the same core speed, the product that operates on a 133 MHz system bus has been given a "B" designator. All Pentium III processors with same core speeds, and are manufactured using Intel's 0.18 micron manufacturing process have been assigned a "E" designator.

Example: A 533B MHz Pentium III processor would have a system bus speed of 133 MHz.
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