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Author Topic: Lapping CPU's and Heatsinks...A Fites Exclusive Project  (Read 4775 times)

Offline Dwg115

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #15 on: February 11, 2008, 06:50:50 AM »
I just wondered cause your temps totally destroy mine and I thought i had descent temps.  at the LAN i ran prime95 and my temps were between 51 and 54c at load. 

Offline decepticon

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #16 on: February 11, 2008, 07:23:02 AM »
Yeah, my proc temps stay between 40 and 45 under full load on air as well.  What are you using for CPU cooling?
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Offline Dwg115

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #17 on: February 11, 2008, 08:05:08 AM »
thermalright ultra 120 extreme. with a panaflo 2750rpm 120mm fan/ artic silver ceramique

Offline decepticon

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #18 on: February 11, 2008, 08:12:14 AM »
Hmmm....here's a few Q's for ya...Do you have the fan pulling air off the HS or have it pushing air through it?  I will assume you checked to make sure it's making full contact with the proc.  What about exhaust?  Is it sufficiant?  Oh yeah wait, you have that monster fan on top don't you?
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Offline .:F3ar0n:.

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #19 on: February 11, 2008, 08:28:27 AM »
well naturally quad cores run a good bit hotter than core 2 duo's but even so 54 load is somewhat high. Your oc'd to 3ghz right? how's your fans hooked up for power...I know the higher end panaflo fans (like the 2 80mm 45cfm ones I have) dont get enough power off the mobo vs off an ATX.

In my opinion, 55c is hot , but its still ok and well within safe limits (like i said...quad cores are rated up to 71c. Most quads actually run around 60s load with stock heatsinks (at 2.4 may I mind you and not oc'd to 3ghz). I just hate running a cpu that hot even if it can take it. Mainly because it will make everything in your case extremely hot  will lead to higher temps on the video card and memory if you dont have efficient cooling

We should get together and have a Lapping party (i know..it sounds dirty but its not...LOL) Get that cpu and heatsink smooth and shiny and watch your temps drop to 40s (the biggest success stories I'm hearing come from the quads since they run so hot out of box...they drop the most...like 8-10c!)

Here's a link you may wanna check out

http://www.maximumpc.com/article/quad_core_youre_so_hot


I mean now that I did it...I'll never buy another processor and not Lap it before install. Mainly because the difference is so much. I mean look at what decepticon said..he's getting 40-45 on load at 2.66. With my lapped cpu, I'm getting 42 on load and i'm oc'd to 3.2ghz..thats a half a gig higher and I still am hitting lower temps
« Last Edit: February 11, 2008, 08:57:16 AM by F3ar0n »

Offline decepticon

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #20 on: February 11, 2008, 09:00:29 AM »
Circle Lapping......eeeewwww.  I think I may do that sometime in the future, but I just don't feel like taking all that apart and cleaning it and working....and having to move....blah blah blah.....but I will evetually cause now I am bent on getting my temps down, even though they aren't high, I still think I can get it cooler.  Hell I was even contemplating taking a dryer vent (long flexible tube) and running it outside int the winter and have it hooked to my intake fan. Now THAT will cool yer temps!
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Offline llDayo

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #21 on: February 11, 2008, 10:35:08 AM »
So why don't manufacturers just sell parts already lapped? With a ton of focus going into cooling these days you'd think they would have caught on by now. Are they some risks involved (besides, as in my case, not knowing how to safely take a processor off a motherboard)?

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Offline The Shoctor

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #22 on: February 11, 2008, 10:38:47 AM »
Hell I was even contemplating taking a dryer vent (long flexible tube) and running it outside int the winter and have it hooked to my intake fan. Now THAT will cool yer temps!
I am right there with you since when I went outside this morning it was 14 degrees... lol.

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Offline decepticon

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #23 on: February 11, 2008, 10:44:03 AM »
Hell I was even contemplating taking a dryer vent (long flexible tube) and running it outside int the winter and have it hooked to my intake fan. Now THAT will cool yer temps!
I am right there with you since when I went outside this morning it was 14 degrees... lol.
It'd cool better than liquid IMO.
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Offline .:F3ar0n:.

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #24 on: February 11, 2008, 12:32:57 PM »
So why don't manufacturers just sell parts already lapped? With a ton of focus going into cooling these days you'd think they would have caught on by now. Are they some risks involved (besides, as in my case, not knowing how to safely take a processor off a motherboard)?

reason being is that the aluminum layer that is on the top of the cpu is made to protect the core (and or cores in my cause) from damage by heatsink. There is a risk that you can damange your cpu if you lap it, but in all honesty you'd only kill the thing if your an idiot and decided to sand for 2 hours and go right through the core. Thats really the only risk and the chances of you messing something up is slim to none

Offline sully!

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #25 on: February 11, 2008, 07:26:35 PM »
Not to mention the extra cost that would be added to the manufacturing process. I'd rather lap it myself and save a few bucks.
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Offline llDayo

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #26 on: February 12, 2008, 07:47:03 AM »
reason being is that the aluminum layer that is on the top of the cpu is made to protect the core (and or cores in my cause) from damage by heatsink. There is a risk that you can damange your cpu if you lap it, but in all honesty you'd only kill the thing if your an idiot and decided to sand for 2 hours and go right through the core. Thats really the only risk and the chances of you messing something up is slim to none
It doesn't sound like that bad of an idea at all! I'm sure someone out there could figure out a way to lower the risk with proper installation of the thermal paste and heatsinks.

Not to mention the extra cost that would be added to the manufacturing process. I'd rather lap it myself and save a few bucks.
Wouldn't cost less? If there's one less layer you need to add to the process then the cost should go down a few pennies per, correct?

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Offline decepticon

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #27 on: February 12, 2008, 07:59:16 AM »
It would cost more in two ways:
They would have to re-manufacture their metal dies to make the HS's (for all companys) to produce them with a few microns less of aluminum.  And proc manufacturers would have to do the same.

And like Sully said, the extra manufacturing process to get them lapped would pass the extra cost to the consumer.
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Offline The Shoctor

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #28 on: February 12, 2008, 08:52:49 AM »
And on top of that the CPU was designed to be durable and run at it's given speed... They know people OC but don't warranty it.

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Offline .:F3ar0n:.

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Re: Lapping CPU's and Heatsinks...A Fites Exclusive Project
« Reply #29 on: February 12, 2008, 01:55:21 PM »
Think Sully hit on the big reason why...The cost for them to make the copper into a finish product would yeld to more money and longer production times