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Overclocking Guide

Correct Overclocking - The Goals

First and foremost, we want to improve overall system performance. Also, we want the system to be just as stable as it was before it was overclocked. Finally, we want to keep our CPU alive.

As you may have learned from my bus speed guide, the best way to improve system performance is to increase the bus speed. If you can't do that, either because your motherboard doesn't support higher bus speeds or your RAM or your PCI devices aren't up to it, you can change the multiplier instead. Don't expect much gain in performance, however, if you increase the multiplier but you decrease the bus speed!!! For example, changing from 166 @ 2.5x66 MHz to 180 @ 3x60 MHz will actually decrease your overall performance. The same rule applies to changing from 133 @ 2x66 to 150 @ 3x50. These types of changes will not make your system any faster!!

This is some touchy news for 6x86 users, who should really only overclock their CPUs to a slightly higher speed than the original. The 6x86 only has multiplier options for x2 and x3. Don't let yourself be told otherwise!! Of course you can try jumpering the board to all of the different Intel Pentium settings, but it won't make a difference for the 6x86 CPU.

  • alzheimerz
    Wow! History..
  • I started reading it and got to " Pentium 120 to a Pentium 133." and realised the article is 13 years old, amazing!
  • mewithsfi
    quotemsg=1553,1,1]What is overclocking? Why? Why not? Is overclocking immoral? Requirements, Goals, Techniques of overclocking. How can I find out, which bus speed my motherboard supports? Special Precautions for 75 and 83 MHz Bus Speed. Overclocking the Intel Pentium. Overclocking the Intel Pentium Pro. Overclocking the Cyrix/IBM 6x86. Overclocking the AMD K5. Overclocking Step by Step.

    Overclocking Guide : Read more
    Even though this article is 14 years old the basics are still the basics. Technology has changed alot since this post. Talking about a trip down memory lane. Thanks Tom

    Overclocking to the EXTREME
  • overclocking generates a lot of heat, .i think that when you overclocked that processor it will cause a damage to mobo, because some of the pentium pro processor doesn't require heat sink?
  • Great article
  • mHonfy
    Yes, great Article! I still have my Pentium MMX 166Mhz @ 233Mhz in a Packard Bell Legend Tower Computer.
    As far as I remember, there were 2 types of P1 166MMX processors. Only special types could be overclocked. Easy 233Mhz from 166Mhz.
    Ages ago, when I got my 166MMX I swapped it to another one, and changed the jumper setting on my motherboard. My PC still runes @233Mhz. There is no heat generated although I applied a small fan over the silent heatsink. Good times! :)