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Tbird/Duron Overclocking Guide


Overclocking the Socket A Athlon/Duron

Courtesy of Tweakster.co.uk

excerpt from the Duron Overclocking Guide
Author : Graham Crane of http://www.tweakster.co.uk/
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Introduction
AMD's new Duron and Athlon processors are an overclockers delight; cheap, fast and fairly easy to squeeze more power out of it.
                       

The Locked Duron/Athlon

When you buy a new Duron, the sad fact is, is that it will be multiplier locked. For years now, Intel CPU's have been multiplier locked. This was introduced in the Pentium 2 range in an attempt to stop overclockers getting something for nothing out of Intel's processor range.


The Pencil Unlock

Many of you may have heard about the 'pencil trick', but you might not be sure about exactly how to do it, and what it does.
If you look closely at your Duron, you will see a set of 'bridges' - metal connections - labeled L1. And when you look even closer, you should also notice that the two sides of these L1 bridges are not connected together. These bridges are circles in the red, below.


    
When these CPU's are manufactured, a tiny laser cuts through these bridges, and BINGO, the CPU is multiplier locked. The simple way around this is to reconnect the bridges. And what could be a more widely available tool than a pencil?

I used the thinnest pencil I could lay my hands on - a 0.3mm HB Staedler Marsmicro pencil, bought from a local art/graphics shop. When you look at the L1 bridges, they should look like this:
    
 

Can you see where they are cut? Simply go over the bridges, connecting the top and bottom of the bridges as you go along. You might want to use a magnifying glass to get a better view. Be careful not to connect two bridges together, as this will 'short' the circuit. Don't worry too much if you do connect them be a mistake - just rub them out with an eraser!  
Multiplier adjustments can be made in BIOS if your motherboard supports this feature.


 

 

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