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Old 12-22-08, 01:01 PM   #13
hemmy
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Default Re: Lapping FTW

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Originally Posted by EciDemon View Post
Been thinking of doing some lapping as well,
With the cooler I use temps never got over 50c even at really low rpm (12.5-25%) when running 3.2ghz.

Now I bumped it up to 3.6, fan is set to keep cpu at 50c and will easily hit 50c when I run cpu stress tests.
50 is practically paradise, not an issue at all
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Old 12-22-08, 02:06 PM   #14
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Default Re: Lapping FTW

Before I sell this rig to a friend I may just go ahead and do some lapping.
I wouldnt mind seeing a few degrees of better temps

This Zalman I have on it doesnt do a great job anyways, I may just lap that too.
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Old 12-22-08, 04:39 PM   #15
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Default Re: Lapping FTW

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lemme see if I can find you a pencil mod. I've looked at it before but this was the first time I decided to do it. The 780i board is ridiculously easy. It's literally take a pencil, find one resistor that's near the CPU_fan plug and draw on it for 5 seconds. My voltage was dropping from like 1.42V to 1.372V without the mod. With it it's more like 1.414V under load.

http://vr-zone.com/articles/Gigabyte...w/4966-10.html

If that's not the exact same revision I might be able to find another link.

http://forums.vr-zone.com/showthread...=190342&page=2

There is one on here is might also work. Sounds like that first one might make it worse not better.

EDIT: Yea it sounds like the 2nd one works, and the first might not work well. Did some more reading on XS and it sounds like a pencil won't be able to do the trick, you need either a conductive pen or solder. http://www.xtremesystems.org/forums/...vdroop&page=97

I probably wouldn't worry about it then.
I think you are looking for rear window defroster repair kits. I think it's a Permatex brand. Usually at any auto parts store. Google around your favorite enthusiasts forums, I bet you see it mentioned.

Nice job on the lapping btw. I need to quit being lazy and get my Ultima 90 done.
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Old 12-22-08, 04:49 PM   #16
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Default Re: Lapping FTW

Heh, that could be. I actually need to goto get one of those rear window defroster kits anyway to use it for it's intended purpose.
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Old 12-22-08, 05:15 PM   #17
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Default Re: Lapping FTW

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Heh, that could be. I actually need to goto get one of those rear window defroster kits anyway to use it for it's intended purpose.
It's fate.
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Old 12-22-08, 05:57 PM   #18
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Default Re: Lapping FTW

Lapping really can make a nice difference. My E6600 with my very modest HSF idles at 23-25c (keep in mind it's -4F outside right now) @ 3.4GHz where prior to lapping I was idling @ 33-35c at these same settings
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Old 12-22-08, 06:06 PM   #19
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Default Re: Lapping FTW

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Lapping really can make a nice difference. My E6600 with my very modest HSF idles at 23-25c (keep in mind it's -4F outside right now) @ 3.4GHz where prior to lapping I was idling @ 33-35c at these same settings
That's not bad at all J! How does the orb do under load?
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Old 12-22-08, 11:11 PM   #20
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Default Re: Lapping FTW

After 10 minutes of Orthos: 45c and 44c
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Old 03-17-09, 12:04 AM   #21
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Default Re: Lapping FTW

LAPPing FTW!

I just lapped my xigmatek 1283 dark knight... stress test temps when from mid 80's to just over 60C!

Wasn't even a great lap job... just did 600 grit for about 20 minutes, then 1000 for 15 and 2000 for 10. Pretty easy, really.
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Old 03-17-09, 12:08 AM   #22
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Default Re: Lapping FTW

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LAPPing FTW!

I just lapped my xigmatek 1283 dark knight... stress test temps when from mid 80's to just over 60C!

Wasn't even a great lap job... just did 600 grit for about 20 minutes, then 1000 for 15 and 2000 for 10. Pretty easy, really.
Did you lap your 920 ?
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Old 03-17-09, 12:16 AM   #23
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Default Re: Lapping FTW

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Did you lap your 920 ?
not sure if i could do that, good CPU, what if you need warranty repair
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Old 03-17-09, 12:24 AM   #24
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Default Re: Lapping FTW

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not sure if i could do that, good CPU, what if you need warranty repair
I guess your out of luck if it breaks.

I lapped most of my CPUs.. I'm to lazy to do my i7 right now though.
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