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P4 steppings clarification plz

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Old January 19th, 2004, 05:35 PM   Digg it!   #1 (permalink)
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P4 steppings clarification plz

I'm a bit confused about the steppings on P4 processors. Unless I'm mistaken, the "A" has a 100MHz FSB, the "B" has 133, and the "C" has 200.

Now I heard that the Prescotts are going to be "E." What happened to "D"? Or am I wrong and the Prescotts aren't "E"?
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Old January 19th, 2004, 05:54 PM     #2 (permalink)
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Prescott's are "E" chips 200mhz fsb---
Here is a nice spankin new one fresh from the factory...
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Old January 19th, 2004, 06:47 PM     #3 (permalink)
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What features do the "D" stepping processors have?
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Old January 20th, 2004, 04:07 PM     #4 (permalink)
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Last edited by Overclocked412 : January 20th, 2004 at 04:22 PM.
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Old January 20th, 2004, 04:17 PM     #5 (permalink)
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Go into your bios and set your fsb at 800, lemme know what happens...
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Old January 20th, 2004, 04:17 PM     #6 (permalink)
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i think there is like 1 prescott that has 533 bus that is d but the 800 bus prescotts are e...i think
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Old January 20th, 2004, 04:22 PM     #7 (permalink)
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Steppings are revisions or versions of the chip. each chip has 2 or three 'versions'. Depending on the 'version' (stepping) that you get, the more overclock you can get out of it. Otherwise, its quite minor. The letter trio, A, B, C refers to the front side bus (fsb) of the chip. If someone says that they have a 2.8c or a 2.4c, it means that chip has a 800fsb. If they say they have a 2.4b, it means it has a 533fsb, ect. (Just about each chip from intel upto 3.0Ghz each has differnent fsb's) Quick rundown:
whenever you see the following letter after a processor speed, it means:
a - 400mhz FSB
b - 533mhz FSB
c - 800mhz FSB

Yes, there are two versions of the 2.8 prescott. One is 533fsb(b), and one is 800fsb(c). All other prescotts are 800fsb(c)
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Old January 20th, 2004, 06:17 PM     #8 (permalink)
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Quote:
Originally posted by thekingofpain
Go into your bios and set your fsb at 800, lemme know what happens...

Not gonna try it eh OC412?
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Old January 20th, 2004, 06:43 PM     #9 (permalink)
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Ah, okay, I get it now. I thought the letter tells the stepping. Thanks!
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Old January 25th, 2004, 01:12 AM     #10 (permalink)
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Lol, NO im not gonna try that ... god....... that would be like... 50Ghz... *faints*. I know what the differnces are on them. 800fsb means for everything. pci agp, etc. the cpu gets a 'piece' of the 'pie'.
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