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After lapping some problems!

post #1 of 31
Thread Starter 
I lapped my IHS on my E6750 and now I don't really see a drop in temperatures. I did the razor blade test before and the CPU didn't seem that bad, and afterward it was a lot better, but I could still see some light with the razor blade and CPU up to my ceiling fan. My Tcase temperature is jumping to the extreme negatives to the 200's and high 200's. The sensor is broken somehow, but how? I used a little water on the sandpaper, but it wasn't puddled, just dampened.
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post #2 of 31
did you damage one of the corners? , maybe pressed to hard...
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post #3 of 31
Thread Starter 
I may have, as it was the first time I lapped a CPU. I am happy that that was the only thing that went wrong. I am getting 35C Idle and 75-80C at load on Prime95. I am running at 3.7GHz (stock 2.66GHz) with 1.46v. Do you think that buying some Artic Silver would help a little? That is a large space between the idle and load temperatures.
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post #4 of 31
I warped my IHS from lapping, so thats why i am gonna remove it, but I am having trouble.
my IHS is higher in the center than the sides.
I put cpu, and heatsink together, and shined it under light, and only center is touching it.
    
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post #5 of 31
Quote:
Originally Posted by evazive View Post
I may have, as it was the first time I lapped a CPU. I am happy that that was the only thing that went wrong. I am getting 35C Idle and 75-80C at load on Prime95. I am running at 3.7GHz (stock 2.66GHz) with 1.46v. Do you think that buying some Artic Silver would help a little? That is a large space between the idle and load temperatures.
if you get some AS5 it may help drop temps a few degrees, what are you using now?
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post #6 of 31
Arctic Cooling MX2 thermal paste is better than AS5, but still, make sure when you lap, put a glass underneath.
    
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Logitech Wave corded Generic optimax 550W PSU Caseless, cardboard for floppy, DVD, USB, power Microsoft Comfort Optical Mouse 1000 
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Core 2 Duo E4300 at 3.2GHz 1.496V/ Q705A178 Lapped ASUS P5K crossflashed to P5KR ASUS EN 8500GT overclocked to 700MHz 1.38V 2GB Apacer DDR2 800MHz tightened 4-4-4-12 2.05V 
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post #7 of 31
Quote:
Originally Posted by judeh101 View Post
Arctic Cooling MX2 thermal paste is better than AS5, but still, make sure when you lap, put a glass underneath.
That's exactly right. Glass is a material that is perfectly flat. My glass was actually sticky up a little because my counter top was slightly warped. The only way you can have a perfectly flat lap is with glass.
    
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post #8 of 31
Thread Starter 
So that is most likely the reason that the sensor is broken? That doesn't really bother me that much, but should I re-lap it on some glass?
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Intel Conroe E6750 1.52v @ 3.8 GHz eVGA 680i LT SLI (vdroop mod) eVGA 8800GT G.Skill 2x1GB DDR2 @ 950 MHz 
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Logix
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Intel Conroe E6750 1.52v @ 3.8 GHz eVGA 680i LT SLI (vdroop mod) eVGA 8800GT G.Skill 2x1GB DDR2 @ 950 MHz 
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Western Digital 160 GB Windows XP Silitek Standard USB Keyboard Lian-Li PC-65B 
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post #9 of 31
yes i would. use a piece about 3x6 thats in inches
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post #10 of 31
Thread Starter 
I am using some generic kind of grease, something my dad used for when he was a mechanic.
Logix
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Intel Conroe E6750 1.52v @ 3.8 GHz eVGA 680i LT SLI (vdroop mod) eVGA 8800GT G.Skill 2x1GB DDR2 @ 950 MHz 
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Western Digital 160 GB Windows XP Silitek Standard USB Keyboard Lian-Li PC-65B 
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Logitech MX518 SteelSeries QCK Heavy 
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Logix
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CPUMotherboardGraphicsRAM
Intel Conroe E6750 1.52v @ 3.8 GHz eVGA 680i LT SLI (vdroop mod) eVGA 8800GT G.Skill 2x1GB DDR2 @ 950 MHz 
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Western Digital 160 GB Windows XP Silitek Standard USB Keyboard Lian-Li PC-65B 
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Logitech MX518 SteelSeries QCK Heavy 
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