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Question about STEP cooler system

Posted on 1998-11-24
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I have Asus P2B board and its specification for processor is:

Slot 1 for Intel® Pentium® II Processor (233MHz-400MHz)

If I buy a 400MHz pentium II (100Mhz x 4.0) and a STEP cooler system (http://www.step-thermodynamics.com), the company claim that their cooler can enhance the speed of the processor to 450Mhz (112Mhz x 4.0).

Can my motherboard support this speed (if the motherboard specification for FSB is 100Mhz/83.3/75/66) ?

Sometimes I saw a cpu specification (bus speed x 4), sometimes bus speed x 3.5. What is that 4 or 3.5? What is the max number that is supported by motherboard? 4? So, if a motherboard supports 100MHz FSB, it supports up until 100x4=400Mhz?
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Question by:screwdriver
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larbel earned 120 total points
ID: 1129701
P2B supports up to 8X and 133MHz FSB.

If you're to go for Step's cooler, then you might as well go for their 333, which can give you 500MHz plus system.  the 3.5X/4X you see is the multipulier, to the the correct running speed, you take the multipulier times the bus speed. (i.e. a PII 400 would be 4 X 100) But since Intel CPU are multipulier locked, and hence it will only run at the intended multipulier speed.

Get the 333 with the Yukon cooler, it's the best there is.  reports says it run at 560!  With the 333, your P2B will support running under 5X66 (default) 5X100, 5X103, 5X112 or even 5X133.  Be sure the ram is good enough, Step's ram is a good deal too.
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by:screwdriver
ID: 1129702
I want to get the 2nd computer too, and I might choose Asus P5A w/ AMD K6-2. Do you have any recommendation whith step cooler is the best for AMD K6-2 (probably I will choose 266 or 333 MHz).


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Author Comment

by:screwdriver
ID: 1129703
whith = with.

If someday I want to upgrade the CPU, will Asus P2B and P5A still be good deals?

Is it true that Asus P2b supports up to 8x133=1064Mhz, how about P5A? How many multipliers and bus speed it supports?
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Expert Comment

by:larbel
ID: 1129704
First of all, the only reason to get the Step cooler is because you want to overclock.  There're always cheaper way/cooler to use for overclock with pretty much the same results.  In my personally point of view, I only see the PII 333 with Yukon cooler is a good buy since with other CPUs you can get to their advertised speed with regular heatsink and fan.  The only special with Step is their advertised 500+ with the 333 and their PC100 rams.

If you're to buy the K6-2 then you might as well go for something cheaper for cooler, take a look here:  http://www.thermalnet.com/  they have lots of review on coolers.

Generally speaking, yes, the P2B can support a PII running up to 1064, *BUT* there won't be any PII running at this speed coming out.  The next step from Intel is Katmai 450-500 which also uses 100 FSB but afterwards, anything over 500 is on 133 FSB, though P2B does support 133 FSB unoffically, it's really hard to tell if it can run the Katmai at all.  Intel would most likely bring out new chipsets to go with their new toys.

As for P5A, I don't even think it will support the upcoming K6-2 400, sharptooth, or K6-3....  The K7 would be on Slot-A so it's out of the question.  But the idea is, a motherboard or chipset usually would only last for 1 generation of CPUs.  As I recall, the Magic-Pro MP-VIP4-X claims to support the upcoming K6-2 400, maybe you want to check them out...

http://www.magic-pro.com


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by:screwdriver
ID: 1129705
Thanks a lot! Your answer is great
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