XP uNLocking Made Easy

Clocker

Golden Member
Sep 17, 2000
1,353
0
76
There have been a few guides on the internet that posted how to unlock XP processors but I feel that some where just too complicated. (i.e. Toms Guide)

So, here are my instructions and hopefully someone will benefit from them.

First, use tape to mask the top and bottom half of the L1 Bridges (Scotch Tape is fine).

Second, find the brightest crayon you have and start to color the pits gently. After a few strokes the pits should have been filled.

Third, get a cotton swab and remove excess wax. Then, dip the cotton swab with alcohol and rub any other extra residue.

Fourth, remove the tape.

Fifth, get Locktite Rear Defroster kit from your local auto store; also buy an emergency eyeglass repair kit (These are sold everywhere). The eyeglass kit should come with a magnifying glass and a small screw driver. (Having a small screw driver is vital).

Sixth, shake the defogger kit bottle vigorously and pour a very small amount of it into the cap of the kit. (Note that the cap will act as a mini bowl in which you will use to seal the bridges).

Seventh, let the liquid in the cap coagulate. (Leave it alone for a few minutes until it thickens).

Eighth, dip the tip of the screwdriver from the eyeglass repair kit in the cap of the defroster kit and stamp a seal between the contacts. (Most people try to paint a line with a needle; however this method is so much easier) Repeat this process until all the bridges are sealed. The tip of my screw driver was thin enough to leave ample room between the contacts.

Also, use the magnifying glass to see the bridges better. However, this step may be unnecessary for people with good close vision.

And that?s it. Further some people in this forum worry that Locktite is a permanent solution. However, if you do mess up you can remove the contacts with a cotton swab and nail polish remover. (Not a big deal)

Finally, if you want more volts then seal the L11s not L7s.


Sincerely,
Clocker


 

AndyHui

Administrator Emeritus<br>Elite Member<br>AT FAQ M
Oct 9, 1999
13,141
16
81
Looks good to me. You want this up as a FAQ?
 

Zap

Elite Member
Oct 13, 1999
22,377
2
81
Um, wouldn't the crayon wax melt and flow out of the pits after the CPU heats up?
 

Jwyatt

Golden Member
Mar 22, 2000
1,961
0
76
Thats a good question Zap. There are different crayons with different amounts of wax that have different melting points. I guess you'll have to find the msds to figure it all out
 

mste456

Member
Jun 10, 2001
165
0
0
i tried and failed several times so i think i'm gonna get an mp1900 - they are factory unlocked right!!!
 

mste456

Member
Jun 10, 2001
165
0
0
yeah i heard from a guy that got one. the l1 bridges where closed as on the tbird 1.4 - factory unlocked
 

BobSnob

Senior member
Dec 31, 2001
472
0
0
This will only work for those m/boards that allow the cpu multiplier to be changed. For instance, the K7S5A doesn't. Also, IME it's not worth overclocking any AMD chip. You'll get a 10% increase in cpu performance if you're lucky which will not be perceivable with anything other than benchmarking software. I appreciate the clarity of the instructions though and as long as people don't try to cut bridges they shouldn't do much harm (speaking from painful experience!).
 

Renthal

Junior Member
Mar 21, 2002
15
0
0
I would have to disagree BobSnob. Overclocking my 1.0 GHz cpu to 1.5 GHz yields a much greater than 10% performance increase.
 

Vic

Elite Member
Jun 12, 2001
50,422
14,336
136


<< This will only work for those m/boards that allow the cpu multiplier to be changed. For instance, the K7S5A doesn't. Also, IME it's not worth overclocking any AMD chip. You'll get a 10% increase in cpu performance if you're lucky which will not be perceivable with anything other than benchmarking software. I appreciate the clarity of the instructions though and as long as people don't try to cut bridges they shouldn't do much harm (speaking from painful experience!). >>



It's true that unlocking is not for everyone and that a lot of XP's (which this guide is for) do not OC very high, % of MHz-wise. The real beauty in unlocking an XP is to get a higher FSB. Some newer KT333 boards have the x5 PCI divisor so that you can run your FSB at 166MHz (or more) and still have your PCI bus at 33MHz. Raising the FSB will give your more performance than just increasing the CPU speed via the multiplier.
Example: XP 2000+'s run at 1667MHz at 133*12.5. If you unlock the multiplier, using one of the new KT333 boards with the x5 divisor and (more or less) full support for PC2700 and 166MHz FSB's, you could run at 166*10, which is roughly the same CPU speed, but performance would increase significantly because of the higher FSB.
As for your statement of "it's not worth overclocking any AMD chip", in addition to my 1800+, I also have a system with 1GHz Tbird that can do 1.33GHz at stock voltage and 1.46GHz at 1.85v (it boots to Windows at 1.533MHz but it's not Prime95 stable). With that chip, unlocking is the ONLY way to achieve its full potential.

Thanks for the tip, clocker

 

dawbs

Member
Sep 13, 2001
49
0
0
Hello,

Just my $0.02 on performance on unlocking AMD CPU?s. I unlocked my MP1600 with no problems and have seen significant performance and actually more stability with my computer. I was running the FSB @ 133 then unlocked my MP. I ran it @ 1400for about a week and noticed that it was running cooler by 2 degrees with normal usage. It try with my other AMD CPU?s (1.2 AXIA, 1.4 AYHJA) to run my FSB @ 166.... no avail. I am running the EPOX 8K7A with 512 Meg of Crucial PC2100 Registered memory. Leadtek 64 meg DDR GF@ Pro video card. My cpu hs and fan are a Tiasol I purchased through "COMP-u-Whiz"(another one of those ...where are they now ???) that I was using originally on the 1.2. My temps are 39C... about 42C while using applications.

My multiplier is 10 with the FSB @ 166.. and is very stable. I rotate between 133 and 166 on the FSB to compare.. seems to run faster..

I will continue to purchase and unlock MP's even though they are alittle more expensive.... it only takes 10 minutes to unlock them....
5 minutes taping...1 minute to connect L1 connectors with a tooth pick... 2 minutes to dry.. 1 minute to put Artic Silver compound.. and seat in processor... DONE and "ENJOY"

dawbs


 

dawbs

Member
Sep 13, 2001
49
0
0
hello,

I use conductive paint (from a pen) to connect the L1 connectrs...sorry to not mention that..

dawbs



btw... Steve (CompuWhiz) is back to selling cars in Sacramento... he emailed my a couple of weeks ago
 

Zap

Elite Member
Oct 13, 1999
22,377
2
81


<< btw... Steve (CompuWhiz) is back to selling cars in Sacramento... he emailed my a couple of weeks ago >>


Aha, wondered what happened to him...
 

Assimilator1

Elite Member
Nov 4, 1999
24,125
508
126
Bobsnob
Also, IME it's not worth overclocking any AMD chip. You'll get a 10% increase in cpu performance if you're lucky which will not be perceivable with anything other than benchmarking software.

What the heck are you talking about? ,I have my XP1500 overclocked to 1.53 GHz that's about a 15% increase in clock speed ,& guess how much of a performance increase I get? ,yeah about 15%.
Btw if you run any time based work producing program ,eg SETI@Home ,encoding mp3's etc then you will notice even this modest peformance boost.
Also you can not say that all AMD chips won't overclock beyond 10% ,this simply isnt true ,many 1Ghz Tbirds go much higher than 10% as did many Durons 600-800's

Clocker
Thanks for the guide ,I agree that THG is too complicated ,pitty I didn't come across your method earlier ,I 1st heard about it over at overclockers.co.uk forums but by that time I had already used the superglue method on the pits.
Btw my XP1500 seems to be unlockable ,I have covered the pits & joined the bridges ,they all check out OK with a multimeter & under a magnifying glass but the multipliers are not released:| ,I've given up for now ,I may try the L3 & L4 bridges instead.

Zap
I asked that same question at overclockers uk& it was the general consensous that ,that part of the cpu didnt get hot enough to melt wax
 

LostHiWay

Golden Member
Apr 22, 2001
1,544
0
76
If you have a KT333 board you almost have to have an unlocked CPU. Since almost every board has a 1/5 divider it would be silly to run the CPU at 133.
 

Zap

Elite Member
Oct 13, 1999
22,377
2
81
Assimilator1, thanks for the info. I think I'll try it on a friend's CPU. I don't have an Athlon XP and he's been wanting to unlock his. I did some searching and found some information on wax melting points. http://www.calwax.com/candle.html lists four different candle waxes that have melting points from 125-145 degrees F. http://www.okibering.com/pdfs/msds/LUMBER~2.PDF is for "lumber crayon" that has a melting point of 140-185 degrees F, or 60-85 degrees C. I don't know where regular Crayola falls in this range, but if it's anywhere close, then it will work fine. At overclockers.uk, someone mentioned that they put tape over the bridges after they were done. That can be used as a precaution, I guess.
 

DivideBYZero

Lifer
May 18, 2001
24,117
2
0
BOBSNOB> I got a 1Ghz AXIA running @ 1.53Ghz. A clear 53% O/C. You can stick you 10% up your @$$.

That doesn't take into account the FSB @ 139 so performance improvement is nearer 60% over stock. All on air.

60%!! Beat that, 10% boy.

Getting a 3dMark2k1SE score of 7787.
 

grunjee

Senior member
Jun 18, 2001
932
0
0


<< BOBSNOB> I got a 1Ghz AXIA running @ 1.53Ghz. A clear 53% O/C. You can stick you 10% up your @$$.

That doesn't take into account the FSB @ 139 so performance improvement is nearer 60% over stock. All on air.

60%!! Beat that, 10% boy.
>>



- - - - - - - -
Ok, ok, I think we all know that BobSnob is wrong -- no need to beat a dead horse and be rude about it.

I unlocked my XP 1700+ about two weeks ago, and simpler guides like this one are a good thing. For some people unlocking is easy, but for me it was pretty tough, just due to the sheer difficulty of how small the pits are, and how close the L1's are, etc. Good luck to anyone who tries it.
 

ghankerson

Banned
Dec 19, 2001
72
0
0
I think I'll wait to OC my new Xp1800. I had an OC'd Celeron 550 and I thought that was fast, no reason to OC my Athlon yet.
 

Y23KC

Golden Member
Mar 19, 2001
1,517
0
76
Clocker, thanks for the tip! I unlocked my 1900+ with your guide and it now is unlocked! It took about 3 tries, but i finally got it. Now I have 160x11 for 1760mhz!
 
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