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Finished Lapping and 10C change! 10 hours of work but worth it!

post #1 of 29
Thread Starter 
Okay so I got myself a 200, 320, 600, 1000, 2000 I could not find an 800 but oh well. Before my idle temps were 28-37C and now my idle temps are 22-28C. All four cores are under 30C which is awesome and was one of my goals! I am about to do some stress testing and I will upload pictures of my lapping journey soon.

Edit: My ambient temperatures before and after lapping is roughly 25C(same ambient conditions).


Here are a some pictures!
I had 200, 320 already, went to NAPA and got 600, 1000, 2000 grits .


Started with a 200 on the TRUE took about 2 hours for heatsink and processor since I took my time.


Right before I moved up to 320 grit on the processor.


This is the TRUE after 200, 320, and 600grit (took 3-4 hours to get to this point).


I did the processor and the heatsink one after another so they kept up with eachother, this is after 600grit on both of them time to move to 1000grit (getting there ).


Heat sink after 1 1/2 hours of 1000 grit and 1 hour of 2000grit.


This is the processor after 1000grit and 2000grit.


I was exhausted from so much work so I did not take so much time on the HR-05 SLI/IFX, went at it with 200 and then jumped to 2000 took about 20-30 minutes.


Everything is finally ready for installation!


Thermal grease application, went with the horizontal line method since I've always had good results from this.


Did the bearing trick of course .


Everything is installed, now it's time to put it in the case, I hate this part.


Everything's nicely installed in the case.


Right when I turned it on, usually was around 32C on boot, so this was a good sign!


Front view of my Antec 900


Window view of the Antec 900


Time for Stress Testing:
This is one Orthos testing 2 cores with Coretemp running. This is the same test I used before lapping and I used to get 54-58C temps around the 15 minute mark now they are at 44-48C!


Considering I knew nothing about how to lap two days ago, thanks to the Overclock.net members I had very good support along the way! Rep to everyone who helped me out.
Edited by Duckkie - 5/27/08 at 11:39am
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post #2 of 29
somehow i suspect remounting may have a lot to do with it. lapping usually doesn't do anything other than e-peen elongation, sorry.

(lapped Xigmatec and CPU, 3C drop for 8 hours of work yay)
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post #3 of 29
Not bad, but load temps are really the only ones that matter. You also have to be sure that ambient temps are similar.

Looking forward to the results of more testing.
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post #4 of 29
Quote:
Originally Posted by Indian_Engineer View Post
somehow i suspect remounting may have a lot to do with it. lapping usually doesn't do anything other than e-peen elongation, sorry.

(lapped Xigmatec and CPU, 3C drop for 8 hours of work yay)
No.

Lapping helps improve contact when done right, thus lowering temps.
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post #5 of 29
Quote:
Originally Posted by Indian_Engineer View Post
somehow i suspect remounting may have a lot to do with it. lapping usually doesn't do anything other than e-peen elongation, sorry.

(lapped Xigmatec and CPU, 3C drop for 8 hours of work yay)
Um, while I will agree that part of his temp change is likely due to a better application and HS mounting I will tell you flat out that lapping one or both surfaces will change temps in the downward direction usually by several degrees. This is both from first hand experience as well as countless success stories by members having done so also.

A friendly word...a post like that and it only being your third made on the forum certainly will not gain you rep you are looking for.
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post #6 of 29
Nicely done, can't wait to see the pictures!

Did you lap just the cpu and or heatsink? What's the load difference (the important temp?)
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post #7 of 29
I dont want to seem like a cynic, but considering you didnt record your ambient temps, this means nothing. you could have had 8C hotter temps during the first run before you lapped it and that could have caused the temp drop. to add to this, these werent even load temps, the temps that really matter.
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post #8 of 29
Thread Starter 
Quote:
Originally Posted by dr4gon View Post
Nicely done, can't wait to see the pictures!

Did you lap just the cpu and or heatsink? What's the load difference (the important temp?)
I lapped both the cpu, the heatsink, and even my Thermalright HR-05 heatsink.

Quote:
Originally Posted by dr4gon View Post
Nicely done, can't wait to see the pictures!

Did you lap just the cpu and or heatsink? What's the load difference (the important temp?)
I will have pics up tomorrow. Before lapping my load temp from just running one Orthos (i know it only tests two cores) but it allows me to have Coretemp up to see temperatures was 54-58C on the load. I just ran a 15 minute Orthos test and it maintained 43-46C temperatures! Tomorrow I will have pictures of how I did it and screenshots of my stress testing!

This mod was definately worth doing and I did A LOT of research before doing it so I knew exactly what to do.
Edited by Duckkie - 5/26/08 at 10:48pm
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post #9 of 29
Thread Starter 
Quote:
Originally Posted by mnishimura00 View Post
I dont want to seem like a cynic, but considering you didnt record your ambient temps, this means nothing. you could have had 8C hotter temps during the first run before you lapped it and that could have caused the temp drop. to add to this, these werent even load temps, the temps that really matter.
My computer runs in the same room it always runs in and that is always at 70F which is 25C~. I am going to post a screenshot of my load temperatures I forgot to take one a minute ago but before lapping they were at 54-58C and during the test they were running at 44-46C. I'll do it right now and post a screenshot but as for the pictures I have to wait until tomorrow to get my camera cord.
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post #10 of 29
Quote:
Originally Posted by Duckkie View Post
I lapped both the cpu, the heatsink, and even my Thermalright HR-05 heatsink.



I will have pics up tomorrow. Before lapping my load temp from just running one Orthos (i know it only tests two cores) but it allows me to have Coretemp up to see temperatures was 54-58C on the load. I just ran a 15 minute Orthos test and it maintained 43-46C temperatures! Tomorrow I will have pictures of how I did it and screenshots of my stress testing!

This mod was definately worth doing and I did A LOT of research before doing it so I knew exactly what to do.
run 2 Orthos programs and set the affinity to 2 cores per orthos test.
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