Overclocking the Athlon XP Processor

If you use just a usual rubber gum and rub on the L contacts you will see the wires underneath which I’m talking about. (Look closely on the middle L11 Bridge in the picture of the XP CPU above which I did this on.) So what we need is something which isn’t conductive, my first attempt was with super glue but that turned out to be a less smart idea, if you unintensiously get the glue on the L1 bridge contact points the conductive ink will not make contact between them and thus the unlock will fail…

Instead I found out that thermal grease worked perfectly fine, (note: just use the usual cheap stuff, Arctic Silver is slightly conductive whatever they tell you.) Now just smear the thermal compound over the five L1 contacts and then use a piece of paper to remove the compound which is above the valleys, leaving only five small dots between the L1 contacts where the “valleys” previously was and thus covering the wires underneath from the conductive ink which we are about to apply.

Next use the needle and gently apply the Conductive ink above the compound between the L1 contact points, take a sharp razor and gently draw a line between the 5 rows of contacts to make sure that they aren’t shorting out with each other, and last put some Scotch tape or other transparent tape over it all. (Use transparent tape so you can see that the conductive ink doesn’t float together and short your CPU out when you put it on...)

Also if you are using a shim make sure that your piece of tape is smaller than the gap which is supposed to be above the L1 bridges on them shim, otherwise the combined height of the shim plus tape might become to high and thus your heatsink might get inefficient contact with the CPU core…

Last but not least apply some Arctic Silver 2 on the CPU core and you are all ready to go. (If you are wondering the thermal-sensor in the picture is a “comp-u-nurse thermal probe” which I have removed the shrink hose from the contacts of, (it was to thick otherwise and caused to heatsink to not make contact with the CPU, it’s being held in place with super glue.)

Next start your computer up, if it doesn’t start try to reset your CMOS with the jumper on your mainboard, if it still doesn’t start you haven’t properly connected all the bridges, start over again…

If you computer does start but you are unable to change your multiplier to anything but the default you have failed to connect the L1 bridges to, start over again…

If you are only able to select multiplier 11x though 12,5x you either skipped the second step in the article, (thermal compound.) Or you failed to properly insulate the contacts in the “valleys” with the non-conductive thermal compound, if you really need multipliers below 11 start all over again, otherwise consider it a success.

If you are able to select all multipliers: Congratulations, you have succeeded in fully unlocking your AMD Athlon XP CPU!

If you used super glue to insulate the contacts in the valleys but didn’t apply it properly, i.e. you are either unable to start, select any multiplier other than default, or below 11 then using some very fine grit sandpaper and sand a wee bit on the L1 contact points could allow you to succeed, you can use a multimeter to measure if you have good contact from them, a value below 1 ohm means that you have good contact, above that means that you might have some dirt on the contact point preventing good contact, either clean them with some alcohol or use the sandpaper till you get a value below 1 ohm.

(Measure from any of the L1 contact points to the lone “dot” between the CPU core and lower right of the CPU, which is ground).


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